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Continuous Level Sensor

2026-09-16T02:39:21Z

Bstsensor: Created page with "[https://www.bstsensor.com/continuous-level-sensor.html Continuous level sensor]s are devices designed to provide real-time, uninterrupted measurement of a liquid's height or volume within a tank over a specified range. They differ from point-level switches by delivering a constant stream of data, enabling precise monitoring and process control. Operating Principle & Output: These sensors translate the detected level into a standardized analog or digital signal. Common..."

[https://www.bstsensor.com/continuous-level-sensor.html Continuous level sensor]s are devices designed to provide real-time, uninterrupted measurement of a liquid's height or volume within a tank over a specified range. They differ from point-level switches by delivering a constant stream of data, enabling precise monitoring and process control.

Operating Principle & Output: These sensors translate the detected level into a standardized analog or digital signal. Common output types include:

Analog (e.g., 4-20mA, 0-5/10V): Provides a continuous signal proportionally representing the level within the measurement range.

Digital (e.g., IO-Link, Modbus): Transmits digitized data, often allowing for additional diagnostics and configuration.

BST Sensor specializes in designing and manufacturing customized continuous level solutions, offering options for mounting, sensing length, output type, and housing material to meet exact application requirements.

Features of Continuous Liquid Level Sensor

Customization: Solutions can be tailored to your requirements with options for size, cable length, connectors and preset points.

Rugged Reliability: A proven measurement principle ensures robust performance and long-term safety in harsh operating environments.

Space-Saving: DesignThe compact form factor enables precise and consistent level detection in small to medium tanks with limited space.

We can also offer kinds of [https://www.bstsensor.com/products/flow-switch/ water flow switch sensor] for sale, anything you need, please contact us.
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2026-09-16T02:38:49Z

Bstsensor:

Magnetic Floats

2026-09-16T02:38:04Z

Bstsensor:

The FBP [https://www.bstsensor.com/floats.html magnetic float ball] series serves as an integral component to our BF Level Sensors. These [https://www.bstsensor.com/floats.html stainless steel magnetic floats] are crafted from buoyant materials with an embedded magnet and are available in a range of styles, dimensions, and materials—including Polyamide (PA), Polypropylene (PP), Nitrile Butadiene Rubber (NBR), and Stainless Steel—to suit your specific application

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2026-09-16T02:37:22Z

Bstsensor:

BST Sensors Connect the World

2026-09-16T02:36:45Z

Bstsensor:

Today's industrial solution is smarter and more convenient. To do that, industrial solution has to involve different sensors, these distance sensors are tentacles in industrial network, to measure, to detect, to feedback and to control. BST expertise in reed sensor, hall sensor and inductive sensor with various applicaitons such as proximity sensor, flow sensor, liquid level sensor etc.

BST Sensor Category

Reed Sensor

Typical reed sensor configurations include Normally Open (NO), Normally Closed (NC), and Changeover (CO) forms

Rectangular Reed Sensor

Rectangular Reed Sensor

Cylindrical Reed Sensor

Cylindrical Reed Sensor

Metal Reed Sensor

Metal Reed Sensor

SMD Reed Sensor

SMD Reed Sensor

Flow Switch

The flow switch is a reliable monitoring device that activates when a preset flow rate is reached. Featuring reed switch technology, it offers a cost-effective and precise solution for flow status detection with a simple flow/no flow signal

Piston Flow Switch

Piston Flow Switch

Shuttle Flow Switch

Shuttle Flow Switch

Rotor Flow Switch

Rotor Flow Switch

Liquid Level Sensor

Liquid level sensors, also known as liquid level switches, are devices used to detect the presence or absence of liquid at a specific level. When the liquid reaches the preset level, the sensor changes its switching state, providing a reliable solution for liquid level monitoring and control in tanks, reservoirs and other containers.

Vertical Liquid Level Sensor

Horizontal Liquid Level Sensor

Multi [https://www.bstsensor.com/products/liquid-level-sensor/ Level Liquid Sensor]

Continuous Level Sensor

Magnetic Floats

Non Contact Capacitive Liquid Level Sensor

Temperature Sensor

BT1 series temperature sensor based on Type K (Nickel-Chromium / Nickel-Silicon) thermocouple technology

Type K Thermocouple

Customized Products for Reference

BST has two molding machines in production line, and that enables BST to customize whatever shapes and size of sensors base on customer's requirement. The latest cases are hall effect speed and di...

Hall Effect Speed & Direction Sensor

Vane Sensor

Reed Switch Level Sensor: Why Magnetic Float Technology Remains Reliable for Liquid Level Control

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File:1c16a51.png

2026-09-16T02:36:11Z

Bstsensor:

Magnetic Floats 26

2026-06-05T07:58:16Z

Bstsensor:

The FBP [https://www.bstsensor.com/floats.html magnetic float ball] series serves as an integral component to our BF Level Sensors. These floats are crafted from buoyant materials with an embedded magnet and are available in a range of styles, dimensions, and materials—including Polyamide (PA), Polypropylene (PP), Nitrile Butadiene Rubber (NBR), and Stainless Steel—to suit your specific application

If you are looking for reliable [https://www.bstsensor.com/ position sensor manufacturers], please choose us, and we will be your best partner.

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File:4-1magnetic float ball.jpg

2026-06-05T07:58:08Z

Bstsensor:

magnetic float ball

Magnetic Floats 26

2026-06-05T07:57:03Z

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FLOW SWITCH 26

2026-06-05T07:56:32Z

Bstsensor:

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FLOW SWITCH

The flow switch is a reliable monitoring device that activates when a preset flow rate is reached. Featuring reed switch technology, it offers a cost-effective and precise solution for flow status detection with a simple binary on/off signal. Designed for both vertical and horizontal installations, it operates efficiently in water systems ranging from cold to hot (up to 100°C). With its versatility and robust performance, it's an ideal choice for applications across HVAC systems, cooling circuits, medical equipment, and welding processes.

Flow Switch Types

Piston Flow Switch

BW1 Piston-type flow switches are designed to reliably indicate the presence or absence of flow in both liquid and gaseous media

Shuttle Flow Switch

BW2 Shuttle-type flow switches are engineered to monitor flow presence in liquid systems operating at medium to high flow conditions.

Rotor Flow Switch

BW3 Rotor-type flow switches are designed for flow and no-flow indication in liquid systems where stable and repeatable switching is required.

Read more flow switch related blogs:

Plastic Flow Switch Vs Stainless Steel Flow Switch

What Is a Flow Switch

Different Types of Flow Switches

Water Flow Sensors Working Principles and Applications

Flow Switch FAQs

What is the working principle of a flow switch?

The water flow sensor switch is used to monitor the flow of fluid within an industrial process system. Automated industrial systems that process fluid media rely heavily on flow switches to ensure safe and optimal flow rates. Flow water switch responds to pre-set flow volume and perform two functions when the volume is reached: namely, closing its contacts and turning a specific piece of equipment ON, or opening its contacts and turning a specific piece of equipment OFF.

What's the key materials of a flow switch?

The core of a water flow switch for pump is reed switch. Plastic flow switch housing is PP, POM or PA, metal flow switch housing is usually stainless steel or brass.

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2026-06-05T07:56:27Z

Bstsensor:

water flow switch price

FLOW SWITCH 26

2026-06-05T07:55:31Z

Bstsensor: Created page with "{{Infobox website |registration=No }}"

LIQUID LEVEL SENSOR 26

2026-06-05T07:55:06Z

Bstsensor:

LIQUID LEVEL SENSOR

A liquid level sensor, often referred to as a float switch, typically comprises two main components: a stem and a float. The stem is fixed to the top or bottom of a tank and contains one or more hermetically sealed reed switches, with electrical wires routed outside the container. The float, which is doughnut-shaped or cylindrical and moves freely along the stem, rises and falls with the liquid level. When the float aligns magnetically with a reed switch inside the stem, it actuates the switch, sending an electrical signal.

These reed switch-based sensors are available in normally open (NO) or normally closed (NC) configurations and can be installed vertically or horizontally. To suit various application needs, multi-level and continuous level sensing options are also offered. Common industries for these sensors include aquariums, HVAC, medical, marine, wastewater treatment, chemical processing, breweries, wineries, and bioprocessing.

Liquid Level Sensor Category

Vertical Liquid Level Sensor

Vertical liquid level sensor comes in different housing and different shapes such as plastic level sensor, stainless steel level sensor etc.

Horizontal Liquid Level Sensor

Horizontal Liquid Level Sensors are side-mounted through a hermetically sealed hole on the side of a tank. When the level of the tank's liquid rises or falls past the level of the float, the float will rise and fall with it, activating the switch.

Multi Level Liquid Sensor

In some containers, there is more than one liquid level needed measurement. Multi-point level sensors are used in these situations and can monitor multiple liquid level points within a single container

Continuous Level Sensor

Typical continuous level sensor consist of two parts, a magnetic float and a stem that sealed with multiple reed switches, with the liquid level rise and fall, the float rise and fall accordingly, hence reed switches at different points are activated.

Magnetic Floats

The magnetic float ring or float ball are made of plastic(NBR/PA/PP) or stainless steel, have a very high strength-to-weight ratio making them shock and abrasion resistant. This kind of float can be sold separated as accessory for float switch or liquid level sensor.

Non Contact Capacitive Liquid Level Sensor

The BFC-NC-001 is a compact, high-reliability non-contact liquid level switch designed for accurate point-level detection through the wall of non-metallic containers.

Read liquid level sensor related blog:

Guide to Selecting the Right BST Liquid Level Sensor

Working Principles of Liquid Level Sensors

Liquid level sensors utilize various technologies and designs to cater to different needs. Here are some of the most commonly used types in water level sensor switch provided by BST Sensor:

Vertical Liquid Level Sensor: Installed vertically, these magnetic float switch sensors are ideal for tank monitoring. They use magnetic floats that rise and fall with the liquid, providing highly accurate measurements.

Horizontal Liquid Level Sensor: Mounted on the side of tanks, these level switch sensors detect liquid levels at predetermined points, making them perfect for preventing overflows or maintaining specific levels.

Multi Liquid Level Sensor: These level liquid sensors monitor multiple liquid levels within a single container, making them suitable for complex processes requiring multi-stage monitoring.

Continuous Level Sensor: Designed for real-time, uninterrupted monitoring, these sensors deliver continuous data for critical applications that demand constant oversight.

Magnetic Floats: Often integrated into other sensor types, magnetic floats operate on buoyancy principles and magnetic interaction, ensuring reliable and precise readings.

Features of Liquid Level Sensors

Modern water level magnetic float switch is equipped with advanced features to meet the rigorous demands of industrial and commercial applications:

High Accuracy: These liquid water sensor switch provides precise measurements, essential for maintaining tight process control.

Durability: Built to withstand harsh conditions, they resist corrosion, extreme temperatures, and challenging environments.

Versatility: Adaptable to various liquids, such as water, chemicals, and oils, liquid level sensors serve a wide range of industries.

Non-Contact Measurement: Many models offer non-contact measurement options, reducing contamination risks and lowering maintenance requirements.

Benefits of Liquid Level Sensors

Enhanced Safety: By preventing overflows, leaks, and other hazards, this magnetic float sensor for water level controller improves workplace safety and environmental protection.

Cost Savings: Accurate measurements minimize waste and improve process efficiency, resulting in lower operational costs.

Regulatory Compliance: Liquid level sensors ensure adherence to industry standards, making compliance with safety and environmental regulations easier.

Real-Time Monitoring: Continuous monitoring provides real-time data for better process control and informed decision-making.

Applications of Liquid Level Sensors

Liquid level sensors play a crucial role in various applications across multiple industries. In home appliances like washing machines, dishwashers, and water purifiers, these sensors ensure efficient water usage, prevent overflows, and optimize operation. In industrial settings, they are used to monitor storage tanks, chemical processing equipment, and lubrication systems, enhancing process efficiency and safety. In the transportation sector, liquid level sensors track fuel, oil, and coolant levels in vehicles, ships, and airplanes, preventing breakdowns and ensuring reliable performance. They are also vital in automotive systems for monitoring washer fluid reservoirs and coolant systems. In safety applications, such as fire suppression systems, these sensors maintain proper liquid levels to ensure readiness during emergencies. Additionally, in HVAC systems, they monitor refrigerant and condensate levels, promoting energy efficiency and preventing leaks. In laboratories and research facilities, liquid level sensors provide accurate measurements essential for experiments, quality control, and R&D processes.

BST Liquid Level Sensor-FAQs

What are the different kinds of liquid level switches?

The different kinds of liquid level switches include: Optical, Capacitive, Conductive, Diaphragm, Float.

How a liquid level sensor works?

The stem of liquid level sensor has reed switch, and outside of the stem, there is a float. The float rises and falls with the liquid level, once the float reaches the preset point, the level sensor will be triggered.

Can liquid level switch be wireless output?

Yes, a wifi or BLE device can be connected to the liquid level sensor so that the signal can be wireless connected.

Now the [https://www.bstsensor.com/products/liquid-level-sensor/ magnetic float sensor price] is reasonable, anything you need, please contact us.

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2026-06-05T07:55:01Z

Bstsensor:

magnetic float sensor price

LIQUID LEVEL SENSOR 26

2026-06-05T07:53:36Z

Bstsensor: Created page with "{{Infobox website |registration=No }}"

BST Sensors Connect the World 2026

2026-06-05T07:53:14Z

Bstsensor:

distance sensor manufacturer

BST Sensors Connect the World

Today's industrial solution is smarter and more convenient. To do that, industrial solution has to involve different sensors, these distance sensors are tentacles in industrial network, to measure, to detect, to feedback and to control. BST Sensor expertise in reed sensor, hall sensor and inductive sensor with various applicaitons such as smd proximity sensor, water flow switch sensor, liquid level sensor etc.

BST SENSOR CATEGORY

Reed Sensor

Typical reed sensor configurations include Normally Open (NO), Normally Closed (NC), and Changeover (CO) forms

Rectangular Reed Sensor

Rectangular Reed Sensor

Cylindrical Reed Sensor

Metal Reed Sensor

SMD Reed Sensor

Flow Switch

The flow switch is a reliable monitoring device that activates when a preset flow rate is reached. Featuring reed switch technology, it offers a cost-effective and precise solution for flow status detection with a simple flow/no flow signal

Piston Flow Switch

Shuttle Flow Switch

Rotor Flow Switch

Liquid Level Sensor

Liquid level sensors, also called liquid level switches, are designed to change state when immersed in a liquid. They are used to determine if a liquid or oil exists at a particular level in a container.

Vertical Liquid Level Sensor

Horizontal Liquid Level Sensor

Multi [https://www.bstsensor.com/products/liquid-level-sensor/ Level Liquid Sensor]

Continuous Level Sensor

Magnetic Floats

Non Contact Capacitive Liquid Level Sensor

Temperature Sensor

BT1 series temperature sensor based on Type K (Nickel-Chromium / Nickel-Silicon) thermocouple technology

Type K Thermocouple

Customized Products for Reference

BST has two molding machines in production line, and that enables BST to customize whatever shapes and size of sensors base on customer's requirement. The latest cases are hall effect speed and di...

Hall Effect Speed & Direction Sensor

Vane Sensor

If you want to know more kinds of [https://www.bstsensor.com/products/ ferrite core transformers], please visit our website.

As one of [https://www.bstsensor.com/ position sensor manufacturers], we will do our best to meet all the needs of customers.
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File:1-1ferrite core transformers.jpg

2026-06-05T07:53:09Z

Bstsensor:

ferrite core transformers

BST Sensors Connect the World 2026

2026-06-05T07:51:56Z

Bstsensor: Created page with "{{Infobox website |registration=No }}"

Common Mode Choke

2026-01-27T02:18:58Z

Bstsensor:

{{Infobox website
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A common mode current choke, also known as a common mode inductor, is an important passive electronic component, mainly used to suppress common mode interference in electrical circuits. When common mode current flows through the two windings, since the currents in the two windings are in the same direction, the magnetic fluxes generated in the magnetic core are superimposed on each other, resulting in a large inductance value. The coil then exhibits a high impedance, creating a strong damping effect that attenuates the common mode interference signal. This makes the common mode power line [https://www.bstsensor.com/products/choke.html magnetic choke] or common mode suppression choke highly effective for reducing electromagnetic interference (EMI) in power lines and signal lines.

RFQ to Common Mode Choke Supplier

Features of Common Mode Choke

Toroidal choke, toroidal core type common mode choke

Dielectric withstanding voltage: 2000 Vrms (between windings)

Vertical mount version (horizontal mount version and custom design available upon request)

The [https://www.bstsensor.com/ BST sensor] group operates two factories: one in Shenzhen, China, specializing in reed sensors and hall sensors, and another in Zhuhai, China, under the ICT brand, focused on inductors, transformers and chokes. BST offers customized and standard solutions through its diverse and dynamic capabilities. These solutions serve as a foundation for customers’ innovative designs, enhancing overall system efficiency. Both factories are certified with RoHS, ISO, IATF 16949 and UKCA standards.

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File:Common Mode Choke.jpg

2026-01-27T02:18:53Z

Bstsensor:

Common Mode Choke

2026-01-27T02:17:59Z

Bstsensor: Created page with "{{Infobox website |registration=No }}"

Custom Position Sensors

2026-01-27T02:17:36Z

Bstsensor:

{{Infobox website
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BST has two molding machines in production line, and that enables BST to customize whatever shapes and size of sensors base on customer's requirement. The latest cases are hall effect speed and direction sensor and vane sensor, these two products are new and different from BST standard products.

From concept to production, [https://www.bstsensor.com/ BST sensor] makes design and customized solution much easier.

Types of [https://www.bstsensor.com/products/custom-position-sensor-products-for-reference/ Custom Position Sensor]s for Reference

Hall Effect Speed & Direction Sensor

The hall effect sensor is a type of magnetic sensor which can be used for detecting the strength and direction of a magnetic field produced from a permanent magnet or an electromagnet with its output varying in proportion to the strength of the magnetic field being detected.

Vane Sensor

The Hall Effect vane sensor consist of a Hall IC and a permanent magnet , which are hermetically sealed in plastic. The sensor is actuated by a soft iron vane that passes through the air gap between the magnet and Hall IC.

Why Standard Sensor and Inductor Might Not Fit Your Needs?

In industries like aerospace, medical devices or industrial automation, standard sensors inductors often fail to meet extreme environmental demands, unique form factors or integration protocols. At BST, we turn limitations into opportunities – through precision-engineered custom sensor and inductor solutions.

BST's Customization Capabilities:

Cosmetic Design: Modify dimensions, housing materials, connector types and cable types etc. BST has two molding machine and countless jigs to support customers.

Performance Tuning: Adjust measurement range, response time and output signals.

Integration Support: Pre-calibrate sensors to work seamlessly with your PLC, IoT platform, or legacy systems.

Certification Compliance: Help customer to get certifications like ATEX, AEC-Q200, RoHS for different products.

Certification Compliance: Help customer to get certifications like ATEX, AEC-Q200, RoHS for different products.

Patented Technology: BST has achieved more than 100 patents for inductor, transformer and proximity sensor technology.

The BST Customization Process

1. Requirement Analysis: Submit specs via our RFQ form → BST engineers review & suggest optimizations.

2. Evaluation and Price Estimate: BST engineers will evaluate the RFQ and provide quotation base on the information provided by customers.

3. Prototyping: Receive a working prototype within 2 weeks.

4. Validation: BST provide third-party test reports (IP rating, EMC compliance, etc.).

5. Mass Production & Lifetime Support: Scalable manufacturing + 24/7 technical assistance.

-Contact BST for sensor and inductor customize solution:

- Email: johnsoncgw@bstsensor.com

BST Customized Sensor FAQs

What kind of sensor can be customized?

Hall sensor, reed sensor and capacitive sensor are available, BST can help to customize on cable length, shape,size and connector etc.

Do customers need to pay extra cost on customized product?

If the design is inclusively owned by customer, customer needs to pay for a design cost.

Will BST test the customized products before phasing into production?

Yes, BST has a lab to run all kinds of tests.

We can also offer kinds of [https://www.bstsensor.com/products/pt-ntc-temperature-sensor.html ntc temperature sensor], please visit our website.
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File:Custom Position Sensors.jpg

2026-01-27T02:17:31Z

Bstsensor:

Custom Position Sensors

2026-01-27T02:16:34Z

Bstsensor: Created page with "{{Infobox website |registration=No }}"

FLOW SWITCH

2026-01-27T02:16:16Z

Bstsensor:

{{Infobox website
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The water flow switch is a monitoring device that triggers a specific action when a preset flow rate is detected. Utilizing reed switch technology, it provides a cost-effective and accurate solution for set-point monitoring by delivering a simple make-or-break (binary) signal to indicate flow status. Designed for versatility, it supports both vertical and horizontal installation and operates in cold or hot water environments up to 100°C. These capabilities make it a reliable choice for diverse applications, including HVAC, coolant systems, medical equipment, and welding.

Water Flow Switch Types

Piston Flow Switch

BW1 Piston-type flow switches are designed to reliably indicate the presence or absence of flow in both liquid and gaseous media

Shuttle Flow Switch

Shuttle-type flow switches are engineered to monitor flow presence in liquid systems operating at medium to high flow conditions.

Rotor Flow Switch

BW3 Rotor-type flow switches are designed for flow and no-flow indication in liquid systems where stable and repeatable switching is required.

Read more flow switch related blogs:

Plastic Flow Switch Vs Stainless Steel Flow Switch

What Is a Flow Switch

Different Types of Flow Switches

Water Flow Sensors Working Principles and Applications

Flow Switch FAQs

What is the working principle of a flow switch?

The [https://www.bstsensor.com/products/flow-switch/ water flow switch sensor] is used to monitor the flow of fluid within an industrial process system. Automated industrial systems that process fluid media rely heavily on flow switches to ensure safe and optimal flow rates. Flow [https://www.bstsensor.com/products/liquid-level-sensor/ water sensor switch] responds to pre-set flow volume and perform two functions when the volume is reached: namely, closing its contacts and turning a specific piece of equipment ON, or opening its contacts and turning a specific piece of equipment OFF.

What's the key materials of a flow switch?

The core of a water flow switch is reed switch. Plastic flow switch housing is PP, POM or PA, metal flow switch housing is usually stainless steel or brass.

Best Sensor Technology (BST) is a manufacturer dedicated to the design, development and production of both standard and customized reed sensors, hall sensors, inductors and transformer solutions. From factory automation to logistics and process automation, BST's solutions help keep industries moving.

[https://www.bstsensor.com/ BST sensor] intelligence and application solutions that form an ideal foundation for secure and efficient process control, accident prevention, and environmental protection.
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File:FLOW SWITCH.jpg

2026-01-27T02:16:11Z

Bstsensor:

FLOW SWITCH

2026-01-27T02:15:15Z

Bstsensor: Created page with "{{Infobox website |registration=No }}"

Hall Effect Speed & Direction Sensor

2026-01-27T02:14:51Z

Bstsensor:

The SD-01 series hall effect speed and direction sensor is for measuring slow movement of ferromagnetic targets. This hall effect speed sensor works with open drain ourput with immersion depths from 20mm to 60mm available.

Get Hall Effect Speed and Direction Sensor Price

Features of Hall Effect Speed & Direction Sensor

1. Wide Speed Range: Capable of sensing from near zero speed up to 20kHz makes our hall speed sensor suitable for a variety of applications requiring precise speed measurement.

2. Versatile Power Supply: This hall effect speed sensor can be used with an unregulated supply.

3. Environmental Compliance: The high speed hall effect sensor is RoHS compliant, ensuring it meets environmental and safety standards.

4. High Protection Rating: Our hall speed sensor is available with IP67 or IP69 ratings.

5. Air Gap Tolerance: This hall effect speed & direction sensor has a typical air gap range of 0.3-2.2mm, allowing for reliable performance even with varying distances between the sensor and the target.

Hall Effect Speed Sensor Working Principle

A Hall Effect speed sensor operates based on the principles of the Hall Effect, which involves a thin piece of rectangular p-type semiconductor material, such as gallium arsenide (GaAs), indium antimonide (InSb), or indium arsenide (InAs), through which a continuous current flows. When this semiconductor is placed within a magnetic field, the magnetic flux lines exert a force on the charge carriers (electrons and holes), causing them to deflect to either side of the semiconductor slab. This deflection results in a potential difference across the semiconductor material due to the build-up of charge carriers. The Hall Effect, named after Edwin Hall who discovered it in the 1870s, relies on the Lorentz force and requires the magnetic flux lines to be perpendicular to the current flow. The sensor detects the presence and magnitude of a magnetic field, typically turning “ON” (closed circuit) when exposed to a magnetic field of sufficient strength and correct polarity, and remaining “OFF” (open circuit) in the absence of such a field. This principle allows the Hall Effect sensor to provide information about the type of magnetic pole and the strength of the magnetic field, making it a crucial component in various applications, including speed sensing.

Advantages of Hall Effect Speed Sensors

Non-Contact Sensing: hall effect speed sensors provide non-contact sensing capabilities, which enhances their durability and longevity.

Robustness: hall effect speed sensors are designed to withstand harsh environmental conditions, demonstrating resilience against dust, moisture, and vibration.

Versatile Speed Range: hall effect speed sensors are effective across a wide range of speeds, including near-zero velocities, making them suitable for various applications.

Applications of Hall Effect Sensors in Automobiles

Safety Mechanisms: Hall Effect sensors provide critical safety measures, such as preventing electrostatic discharge, protecting against spark ignition hazards, and mitigating reverse polarity in car batteries. They also monitor thermal overload and detect overcurrent conditions, triggering protection circuits to prevent malfunctions.

Power Electronics in EVs and HEVs: In hybrid and electric vehicles, Hall Effect sensors regulate electric energy flow across systems like AC motors and DC-DC converters. Their ability to ensure efficient current sensing improves motor performance by offering a stable signal, reduced noise, and quick response times in various operating modes.

Transition to Electrically Driven Systems: Hall Effect sensors facilitate the shift from mechanical to electric actuation in vehicles. For instance, traditional fan belts and power-steering pumps in internal combustion engines are being replaced by electric motors, enhancing actuator control and energy efficiency.

As one of [https://www.bstsensor.com/products/hall-effect-speed-and-direction-sensor.html hall sensor manufacturers], we will do our best to meet all the needs of customers.

[https://www.bstsensor.com/ BST Sensor] provides more than just an on/off signal. Our liquid level sensors use a wide range of switching technologies - from magnetic reed switch technology to conductive and hall effect technology. Our [https://www.bstsensor.com/products/liquid-level-sensor/ level liquid sensor] designs include single, multi, or continuous level output.
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File:Hall Effect Speed & Direction Sensor.jpg

2026-01-27T02:14:47Z

Bstsensor:

Hall Effect Speed & Direction Sensor

2026-01-27T02:13:55Z

Bstsensor: Created page with "{{Infobox website |registration=No }}"

Horizontal Liquid Level Sensor

2026-01-08T03:57:13Z

Bstsensor:

Designed for side-mounting, this liquid level sensor ensures a leak-proof fit with its hermetically sealed stem. Its doughnut-shaped float follows the liquid level and magnetically triggers a reed switch, delivering a precise electrical signal for reliable, real-time monitoring in tanks and reservoirs.

Applications of [https://www.bstsensor.com/products/horizontal-liquid-level-sensor.html Horizontal Level Sensor] Switch

Marine Applications: Monitor bilge and ballast water levels in confined spaces with a compact, side-mounted design.

Flood Prevention: Detect rising water levels in areas with restricted vertical clearance.

Agricultural Use: Manage water levels in livestock tanks where side-mounting is the most practical solution.

Chemical Processing: Safely monitor levels in sealed or restricted-access chemical tanks.

Inventory Control: Provide reliable full/empty alerts in narrow or vertically constrained tanks.

The [https://www.bstsensor.com/ BST sensor] group operates two factories: one in Shenzhen, China, specializing in reed sensors and hall sensors, and another in Zhuhai, China, under the ICT brand, focused on inductors, transformers and chokes. BST offers customized and standard solutions through its diverse and dynamic capabilities. These solutions serve as a foundation for customers’ innovative designs, enhancing overall system efficiency. Both factories are certified with RoHS, ISO, IATF 16949 and UKCA standards.

We can also offer kinds of [https://www.bstsensor.com/products/pt-ntc-temperature-sensor.html ntc temperature sensor] for sale, anything you need, please contact us.
[[File:Horizontal Liquid Level Sensor.jpg|thumb]]

File:Horizontal Liquid Level Sensor.jpg

2026-01-08T03:56:43Z

Bstsensor:

Horizontal Liquid Level Sensor

Magnetic Inductor1

2026-01-08T03:55:47Z

Bstsensor:

An current inductor is a passive electrical component that stores energy in a magnetic field when electric current flows through it. This magnetic inductor usually consists of an insulated wire wound into a coil, with two terminals. It may have a magnetic core inside the coil, such as an air core, an iron core or a ferrite core.

When an electric current passes through the coil of the inductor, a magnetic field is generated around it. According to Faraday's law of induction, when the current flowing through the coil changes, the time-varying magnetic field will induce an electromotive force (emf) in the conductor. The induced voltage has a polarity that opposes the change in current that created it. That is, it resists any changes in the current through it. BST [https://www.bstsensor.com/products/inductor.html inductor coil manufacturer] provides custom inductor for various applications.

Current Inductor Types by Core Design

Ferrite core inductors can ben classified by many standards, one of the most popular way is to classified by core design

Toroidal Core Inductor: The coil is wound on a toroidal core, which has very low flux leakage, but requires special winding machines for manufacturing.

Drum/Bobbin Core Inductor: The coil is wound on a bobbin. These bobbin inductors or drum inductors vary widely in power rating, voltage and current levels, and operating frequency, and are mostly used in switch mode power supplies and power conversion applications.

Features of Toroidal Inductor

• Low radiation

• Low core loss

• Low core saturation

• Operating temperature range: -55°C to +105°C

• RoHS compliant product

Since most of the toroidal core inductors are customized, in this chart, BST power inductor manufacturer only show two typical parts for reference, please contact BST for more details.

[https://www.bstsensor.com/ BST Sensor] also offers additional magnetic components, including magnetic choke. If you require these in bulk, please do not hesitate to reach out to us.

Features of Radial Inductor

Low cost, high current

Inductance range from 10 - 1,000 µH

Open construction

Optional inductance tolerance: K = ±10%

Since most of the radial lead inductors are customized, in this chart, BST only show two typical parts for reference, please contact BST for more details.

Ferrite Core Inductor FAQs

What sets iron core inductors apart from ferrite core inductors?

Iron core inductors, used in traditional transformers, are larger with lower inductance. Conversely, ferrite core inductors, like toroidal core inductors, are smaller, offering higher inductance, ideal for compact designs favored by inductor suppliers.

What's the purpose of a ferromagnetic core inductor?

A ferromagnetic core inductor, such as a ferrite core inductor, eliminates common mode noise in signal or power lines by blocking low-frequency noise and absorbing high-frequency noise, boosting circuit reliability, as supported by inductor coil manufacturers.

What are the drawbacks of high current power inductors with ferrite cores?

High current power inductors with ferrite cores have lower saturation flux density than silicon steel, limiting their magnetic flux capacity before saturation, making them less ideal for high-power uses, per power inductor manufacturers.

What's the role of the core in a magnetic inductor?

The core in a magnetic inductor, often iron or ferrite, amplifies the magnetic field, increasing inductance. This makes inductors, including those from custom inductor manufacturers, key passive components in circuits alongside capacitors and resistors.

What are the applications of a pfc inductor?

A pfc inductor, like a power factor correction inductor, is used in power conversion, broadband, and interference suppression, leveraging its electromagnetic properties, as supplied by power inductor manufacturers.

Why are high current inductors with ferrite cores better for high-frequency uses?

High current inductors, such as pfc boost inductors, use non-conductive ferrite cores with low coercivity and minimal eddy current losses, ensuring high efficiency in high-frequency applications.

If you want to know more kinds of [https://www.bstsensor.com/products/liquid-level-sensor/ water sensor switch], please visit our website.
[[File:Magnetic inductor.jpg|thumb]]
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Magnetic Inductor1

2026-01-08T03:54:41Z

Bstsensor: Created page with "{{Infobox website |registration=No }}"

LIQUID LEVEL SENSOR

2026-01-08T03:54:13Z

Bstsensor:

liquid level sensor switch

reed switch level sensor

liquid level sensor manufacturers

LIQUID LEVEL SENSOR

A [https://www.bstsensor.com/products/liquid-level-sensor/ liquid level sensor switch], often referred to as a float switch, typically comprises two main components: a stem and a float. The stem is fixed to the top or bottom of a tank and contains one or more hermetically sealed reed switches, with electrical wires routed outside the container. The float, which is doughnut-shaped or cylindrical and moves freely along the stem, rises and falls with the liquid level. When the float aligns magnetically with a reed switch inside the stem, it actuates the switch, sending an electrical signal.

These reed switch level sensors are available in normally open (NO) or normally closed (NC) configurations and can be installed vertically or horizontally. To suit various application needs, multi-level and continuous level sensing options are also offered. Common industries for these sensors include aquariums, HVAC, medical, marine, wastewater treatment, chemical processing, breweries, wineries, and bioprocessing.

Liquid Level Sensor Category

Vertical Liquid Level Sensor

Vertical liquid level sensor comes in different housing and different shapes such as plastic level sensor, stainless steel level sensor etc.

Horizontal Liquid Level Sensor

Horizontal Liquid Level Sensors are side-mounted through a hermetically sealed hole on the side of a tank. When the level of the tank's liquid rises or falls past the level of the float, the float will rise and fall with it, activating the switch.

Multi [https://www.bstsensor.com/products/liquid-level-sensor/ Level Liquid Sensor]

In some containers, there is more than one liquid level needed measurement. Multi-point level sensors are used in these situations and can monitor multiple liquid level points within a single container

Continuous Level Sensor

Typical continuous level sensor consist of two parts, a magnetic float and a stem that sealed with multiple reed switches, with the liquid level rise and fall, the float rise and fall accordingly, hence reed switches at different points are activated.

Magnetic Floats

The magnetic float ring or float ball are made of plastic(NBR/PA/PP) or stainless steel, have a very high strength-to-weight ratio making them shock and abrasion resistant. This kind of float can be sold separated as accessory for float switch or liquid level sensor.

Non Contact Capacitive Liquid Level Sensor

The BFC-NC-001 is a compact, high-reliability non-contact liquid level switch designed for accurate point-level detection through the wall of non-metallic containers.

Read liquid level sensor related blog:

Guide to Selecting the Right BST Liquid Level Sensor

Working Principles of Liquid Level Sensors

Liquid level sensors utilize various technologies and designs to cater to different needs. Here are some of the most commonly used types in water level sensor switch provided by BST Sensor:

Vertical Liquid Level Sensor: Installed vertically, these magnetic float switch sensors are ideal for tank monitoring. They use magnetic floats that rise and fall with the liquid, providing highly accurate measurements.

Horizontal Liquid Level Sensor: Mounted on the side of tanks, these level switch sensors detect liquid levels at predetermined points, making them perfect for preventing overflows or maintaining specific levels.

Multi Liquid Level Sensor: These level liquid sensors monitor multiple liquid levels within a single container, making them suitable for complex processes requiring multi-stage monitoring.

Continuous Level Sensor: Designed for real-time, uninterrupted monitoring, these sensors deliver continuous data for critical applications that demand constant oversight.

Magnetic Floats: Often integrated into other sensor types, magnetic floats operate on buoyancy principles and magnetic interaction, ensuring reliable and precise readings.

Features of Liquid Level Sensors

Modern magnetic float level sensors are equipped with advanced features to meet the rigorous demands of industrial and commercial applications:

High Accuracy: These liquid water level sensors provide precise measurements, essential for maintaining tight process control.

Durability: Built to withstand harsh conditions, they resist corrosion, extreme temperatures, and challenging environments.

Versatility: Adaptable to various liquids, such as water, chemicals, and oils, liquid level sensors serve a wide range of industries.

Non-Contact Measurement: Many models offer non-contact measurement options, reducing contamination risks and lowering maintenance requirements.

Benefits of Liquid Level Sensors

Enhanced Safety: By preventing overflows, leaks, and other hazards, this magnetic float sensor for water level controller improves workplace safety and environmental protection.

Cost Savings: Accurate measurements minimize waste and improve process efficiency, resulting in lower operational costs.

Regulatory Compliance: Liquid level sensors ensure adherence to industry standards, making compliance with safety and environmental regulations easier.

Real-Time Monitoring: Continuous monitoring provides real-time data for better process control and informed decision-making.

Applications of Liquid Level Sensors

Liquid level sensors play a crucial role in various applications across multiple industries. In home appliances like washing machines, dishwashers, and water purifiers, these sensors ensure efficient water usage, prevent overflows, and optimize operation. In industrial settings, they are used to monitor storage tanks, chemical processing equipment, and lubrication systems, enhancing process efficiency and safety. In the transportation sector, liquid level sensors track fuel, oil, and coolant levels in vehicles, ships, and airplanes, preventing breakdowns and ensuring reliable performance. They are also vital in automotive systems for monitoring washer fluid reservoirs and coolant systems. In safety applications, such as fire suppression systems, these sensors maintain proper liquid levels to ensure readiness during emergencies. Additionally, in HVAC systems, they monitor refrigerant and condensate levels, promoting energy efficiency and preventing leaks. In laboratories and research facilities, liquid level sensors provide accurate measurements essential for experiments, quality control, and R&D processes.

BST Liquid Level Sensor-FAQs

What are the different kinds of liquid level switches?

The different kinds of liquid level switches include: Optical, Capacitive, Conductive, Diaphragm, Float.

How a liquid level sensor works?

The stem of liquid level sensor has reed switch, and outside of the stem, there is a float. The float rises and falls with the liquid level, once the float reaches the preset point, the level sensor will be triggered.

Can liquid level switch be wireless output?

Yes, a wifi or BLE device can be connected to the liquid level sensor so that the signal can be wireless connected.

[https://www.bstsensor.com/ BST sensor] delivers sensor intelligence and application solutions that form an ideal foundation for secure and efficient process control, accident prevention, and environmental protection.

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[[File:Bst sensor1.png|thumb]]

LIQUID LEVEL SENSOR

2026-01-08T03:52:59Z

Bstsensor: Created page with "{{Infobox website |registration=No }}"

Plastic Flow Switch1

2026-01-08T03:51:45Z

Bstsensor:

The BST [https://www.bstsensor.com/products/plastic-flow-switch.html plastic flow switch] features a durable plastic housing made of PP, POM, or PA, which is rust-free for water flow. The versatile design of the plastic flow sensor supports both vertical and horizontal installation, enabling easy setup in various applications. Additionally, our plastic water flow switch incorporates a sensitive start-up volume setting and provides accurate volume measurement.

Features of Plastic Flow Switch

Multiple mounting options: the PVC [https://www.bstsensor.com/products/flow-switch/ water flow switch sensor] can be mounted vertically or horizontally.

Different connecting options: barbed connector or threaded connector with different sizes is featured in our plastic flow switch.

Wide range of application with working temperature up to 100℃.

Plastic Flow Switch Material Characteristics

A plastic flow switch is designed to monitor fluid flow in industrial applications. Its primary role is to detect the flow state of liquids and send signals when the flow reaches a preset value, enabling the control of other equipment like pumps or alarms. These plastic water flow switches are commonly made from corrosion-resistant materials such as PVC, making them suitable for a wide range of fluids, including water and chemical liquids. Compared to metal flow switches, PVC water flow switches provide enhanced corrosion resistance, making them ideal for demanding environments.

Plastic Flow Switch Working Principle

Plastic flow switches function through mechanical or electronic mechanisms, where the force of fluid flow activates internal components to trigger the switch. These components, such as floaters, impellers, or other sensors, work in unison to deliver reliable and accurate flow detection. A plastic flow sensor ensures precise monitoring and enhances the overall efficiency of flow detection systems.

Plastic Flow Switch Applications

Plastic flow switches are versatile devices widely used across industries. In water treatment, they help monitor water flow in purification systems. In the chemical industry, their corrosion-resistant design ensures safe handling of aggressive fluids. In food and beverage processing, they guarantee the efficient and safe operation of production systems. Additionally, HVAC systems benefit from these switches by enabling accurate monitoring and control of cooling and heating fluid circulation. They are particularly effective in detecting low-flow or no-flow conditions, enhancing the safety and efficiency of any system they serve.

Plastic Flow Switch Installation and Maintenance

Proper installation and maintenance are crucial for optimizing the performance and lifespan of plastic flow switches. When installing, it is essential to use appropriate sealing materials, such as Teflon tape, to prevent leakage. Regular inspections help identify potential issues early, ensuring the switch operates at peak efficiency. Adhering to manufacturer guidelines for installation and maintenance further enhances the device’s reliability. These practices not only extend the lifespan of plastic flow switches but also minimize downtime and reduce overall maintenance costs.

[https://www.bstsensor.com/ BST sensor] is a manufacturer dedicated to the design, development and production of both standard and customized reed sensors, hall sensors, inductors and transformer solutions. From factory automation to logistics and process automation, BST's solutions help keep industries moving.

[[File:Plastic Flow Switch.jpg|thumb]]
{{Infobox website
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Plastic Flow Switch1

2026-01-08T03:49:02Z

Bstsensor: Created page with "{{Infobox website |registration=No }}"

SMD Reed Sensor

2025-12-03T06:43:25Z

Bstsensor: Created page with "The BP4 series is a miniature surface-mount (SMD) reed sensor built around a reed switch core, making it ideal for low-power applications. It is particularly suited for handheld medical devices, white goods, and telecommunications equipment. The compact sensor design is optimized for standard SMD assembly and PCBA processes. Specification of BP4 Series [https://www.bstsensor.com/products/smd-reed-sensor/ smd proximity sensor] {| class="wikitable" |Part Number |Housing..."

The BP4 series is a miniature surface-mount (SMD) reed sensor built around a reed switch core, making it ideal for low-power applications. It is particularly suited for handheld medical devices, white goods, and telecommunications equipment. The compact sensor design is optimized for standard SMD assembly and PCBA processes.

Specification of BP4 Series [https://www.bstsensor.com/products/smd-reed-sensor/ smd proximity sensor]

{| class="wikitable"
|Part Number
|Housing Material
|Contact Configuration
|Operate Range
|Contact Rating
|Switching Voltage
|Switch Current
|Terminal
|-
|BP4-23L-A
|Epoxy
|SPST-NO
|10 ~ 50 AT
|10 W
|DC 200V
|0.5A
|Axial lead

J lead
|-
|BP4-23L-B
|Epoxy
|SPST-NC
|10 ~ 50 AT
|5 W
|DC 200V
|0.5A
|Axial lead

J lead
|}

Features of BST SMD Reed Sensors

1, Supplied in tape&reel, easy for surface mounted(SMD) or PCBA assembly

2, High stability, high reliability, high consistency of this reed type sensor

3, Miniature size,design for low power operations

As a professional [https://www.bstsensor.com/products/temperature-sensor/ temperature sensing switch] supplier, [https://www.bstsensor.com/ bst sensor] trys our best to provide good products and service for you
[[File:Temperature sensing switch4.png|thumb]]

File:Temperature sensing switch4.png

2025-12-03T06:43:14Z

Bstsensor:

temperature sensing switch

Magnetic Transformer2

2025-12-03T06:41:14Z

Bstsensor: Created page with "Magnetic Transformers convert a given input voltage into a different output voltage. As one of the leading transformer suppliers, BST offers a wide variety of ferrite core toroidal transformer to meet different needs, including [https://www.bstsensor.com/products/transformer.html ferrite core high voltage transformer] and low frequency transformer. Features of Magnetic Transformer Zero Voltage Switching High efficiency and low loss Isolation 2000Vrms, 1mA, 5 seco..."

Magnetic Transformers convert a given input voltage into a different output voltage. As one of the leading transformer suppliers, BST offers a wide variety of ferrite core toroidal transformer to meet different needs, including [https://www.bstsensor.com/products/transformer.html ferrite core high voltage transformer] and low frequency transformer.

Features of Magnetic Transformer

Zero Voltage Switching

High efficiency and low loss

Isolation 2000Vrms, 1mA, 5 seconds (Pri to Sec)

Operating Temperature -40ºC to +100ºC

RoHS Compliant Product

Since most of the high frequency current transformers are customized, in this chart, BST power transformer supplier only shows one typical part for reference, please contact BST for more details.

{| class="wikitable"
|Part Number Example
|Power(W)
|Suggest Fosc(Khz Typ)
|Pri OCL(μH)
|Leakage Inductance(μH)
|-
|BST-MC-30-T
|200
|100
|600
|110
|}
Other magnetic components such as magnetic choke is also provided by BST Sensor. If you are in bulk need, please feel free to contact us.

Ferrite Core Transformer FAQs

What is a ferrite core transformer?

A ferrite core transformer uses a ferrite magnetic core for transformer windings. Its high magnetic permeability and low conductivity reduce eddy currents, improving efficiency, a key feature valued by transformer suppliers and oem transformer manufacturers.

How does a high frequency transformer with ferrite core work?

A high frequency transformer with a ferrite core leverages its high magnetic permeability to generate a strong magnetic field, increasing inductance for wires around it, as seen in custom made transformers. This resists high-frequency signals, reducing noise and enhancing circuit performance, per transformer core manufacturers.

What benefits does a ferrite core high voltage transformer provide?

A ferrite core high voltage transformer, such as high voltage isolation transformers, offers high efficiency with minimal energy loss. Soft ferrite cores from power transformer suppliers have high coercivity, enabling magnetic direction changes with low hysteresis losses, ideal for custom transformer manufacturers.

How to choose a ferrite core for a toroidal power transformer?

Selecting a ferrite core for a toroidal power transformer or switching power transformer requires assessing five factors. Core quality, meeting AQL standards from power transformer supplier, must be defect-free per IEC-60424, ensuring reliability for large power transformer manufacturers.

How do magnetic transformer air cores differ from ferrite cores?

Magnetic transformer air cores suit RF circuits and audio equipment, handling high frequencies well. Ferrite core transformers, like pfc transformers or ferrite core toroidal transformers, excel in electronics, power supplies, and telecom due to high inductance and noise suppression.

As a professional [https://www.bstsensor.com/products/liquid-level-sensor/ water sensor switch] supplier, [https://www.bstsensor.com/ bst sensor] trys our best to provide good products and service for you
[[File:Water sensor switch3.png|thumb]]

File:Water sensor switch3.png

2025-12-03T06:41:03Z

Bstsensor:

water sensor switch

Vane Sensor

2025-12-03T06:39:05Z

Bstsensor: Created page with "The VN-01 series hall effect sensor is made of a hall sensor and a permanent magnet in two small towers, seperated by a 3.4mm air gap. The output switches when a ferrous target passes between the towers. Typical targets are linear or rotary vances using a square saw tooth or an open slot in a solid disk. Features of [https://www.bstsensor.com/products/vane-sensor.html vane type flow switch] 1. Robust, high speed sensing in dirty/dusty environments. 2. No mechanical..."

The VN-01 series hall effect sensor is made of a hall sensor and a permanent magnet in two small towers, seperated by a 3.4mm air gap. The output switches when a ferrous target passes between the towers. Typical targets are linear or rotary vances using a square saw tooth or an open slot in a solid disk.

Features of [https://www.bstsensor.com/products/vane-sensor.html vane type flow switch]

1. Robust, high speed sensing in dirty/dusty environments.

2. No mechanical contacts to wear out.

3. Open collector(sinking or NPN) output can ben used with bipolar or CMOS logic circuit with suitable pull-up resistor.

Specification of Vane Sensor
{| class="wikitable"
|Part Number
|Mounting Style
|Size
|Supply Voltage
|Max Supply Current
|Output Current
|Operating Temperature
|Housing
|-
|VN-01 series
|Flange mount
|Customized
|3.8V-24V
|7.5mA
|Max 25mA
|<nowiki>-40 to +150℃</nowiki>
|Plastic
|}

As a professional [https://www.bstsensor.com/products/flow-switch/ water flow switch sensor] supplier, [https://www.bstsensor.com/ bst sensor] trys our best to provide good products and service for you
[[File:Bst sensor2.png|thumb]]

File:Bst sensor2.png

2025-12-03T06:38:58Z

Bstsensor:

bst sensor

Vertical Liquid Level Sensor2

2025-12-03T06:37:23Z

Bstsensor: Created page with "A vertical level sensor, also called fluid sensor or float switch, is a mechanical device that monitors liquid levels inside a container. In typical applications, a vertical water level sensor is to trigger an action when the liquid reaches a certain level. [https://www.bstsensor.com/products/vertical-liquid-level-sensor.html Vertical liquid level sensor] are made up of two main components: a center tubed magnetic float and a reed switch. Both the float and the reed..."

A vertical level sensor, also called fluid sensor or float switch, is a mechanical device that monitors liquid levels inside a container. In typical applications, a vertical water level sensor is to trigger an action when the liquid reaches a certain level.

[https://www.bstsensor.com/products/vertical-liquid-level-sensor.html Vertical liquid level sensor] are made up of two main components: a center tubed magnetic float and a reed switch. Both the float and the reed are operated by magnets. When the float reaches a predetermined level, the reed switch reacts by closing or opening.

Specification of Vertical Liquid Level Switch
{| class="wikitable"
|PN
|Rated Powe(max)
|Switch Voltage(max)
|Switch Current(max)
|Carry Current(max)
|Contact Resistance(max)
|-
|BF1-45L-A
|10W
|180V
|0.5A
|1.25A
|150mOhm
|-
|BF1-45H-A
|100W
|1000V
|1A
|2.5A
|150mOhm
|}

FAQs of Vertical Liquid Level Sensor

What's the advantage of a vertical liquid level sensor?

Non-powered, reliable, direct indication, relatively inexpensive, various outputs

Can BST make explosion proof liquid level sensor?

Yes, ATEX certified.

What's the output of a liquid level sensor?

Analog or digital, depends on customer's needs.

As a professional [https://www.bstsensor.com/products/transformer.html ferrite core transformer] supplier, [https://www.bstsensor.com/ bst sensor] trys our best to provide good products and service for you

[[File:Bst sensor1.png|thumb]]

File:Bst sensor1.png

2025-12-03T06:37:06Z

Bstsensor:

bst sensor

Magnetic Floats

2025-09-11T02:15:00Z

Bstsensor: float ball

The [https://www.bstsensor.com/floats.html magnetic float] ring or magnetic floating ball are made of plastic(NBR/PA/PP) or stainless steel, have a very high strength-to-weight ratio making them shock and abrasion resistant as well as capable of enduring a high water pressure. Additionally, the magnetic floats have a high resistance to many chemicals and are therefore an ideal solution in fuel tanks, oil containers or brake fluid reservoirs. Actuator magnet is contained within the magnetic floating ball or magnetic floating ring though partially exposed to the liquid material. Float size and shape are different as liquid level sensors are different.

Magnetic floats are attached to liquid level sensor, please consult BST Sensor for specific parameters.

[https://www.bstsensor.com/floats.html stainless steel magnetic floats] vs Plastic [https://www.bstsensor.com/floats.html float ball]

Magnetic float ball or floating ring serve a variety of purposes across multiple industries. They're essential for systems like boilers, oil fields, water management, and refrigeration, where liquid level control and measurement are critical. While both materials can sometimes be used interchangeably, most applications require one or the other.

plastic float ball are commonly used in sensors for light-duty, consumer-grade applications. They are often found in simple systems such as toilet overflow valves, sump pumps, and pool pumps. Due to their affordability, plastic float balls are a cost-effective solution for basic liquid level sensors in these types of applications.

However, for more demanding sensor applications, stainless steel magnetic floats are preferred due to their enhanced durability and ability to withstand extreme conditions. Stainless steel magnetic floats can endure significant pressure and a wide range of temperatures, both high and low. In contrast, plastic float balls in sensors can fail under extreme temperatures, such as in boiler feed systems, where they are at risk of melting and causing sensor malfunctions. In colder environments, plastic floats are also susceptible to cracking and breaking.

Plastic float balls are suitable for basic, low-cost sensor applications, stainless steel magnetic float balls are essential for more reliable and durable sensor systems, especially in harsh or chemically demanding environments.

Magnetic Floats in Liquid Level Sensors

Magnetic floats play a crucial role in the operation of liquid level sensors, which are simple yet highly effective liquid level switches. These sensors operate without the need for power supply or complex circuitry, making them ideal for applications across a wide range of industries, such as shipbuilding, petrochemical, food processing, generator equipment, and water treatment.

At the heart of the liquid level sensor switch is the magnetic float, which is a floating ball embedded with magnetic materials. The magnetic float interacts with a magnetic reed switch that is enclosed in an airtight, non-magnetic tube, typically made of metal or plastic. As the liquid level changes, the magnetic float moves up or down within the tube. This motion brings the float's magnet closer to or further away from the reed switch, causing it to open or close. The resulting action is used to control or indicate the liquid level, providing a reliable and efficient method for monitoring and regulating fluid levels without the need for external power sources.

FAQs of Magnetic Floats

How does a magnetic float ball system function?

A magnetic float ball system, often called magnetic levitation or maglev, operates by employing magnetic fields to suspend a magnetic float without any physical contact. These magnetic forces balance out gravitational pull and other external forces, enabling the magnetic floating sphere to hover effortlessly.

What is the purpose of a magnetic float in a switch mechanism?

A magnetic float within a switch mechanism works by incorporating a magnet inside a metal float ball that adjusts with fluctuating liquid levels. As the magnetic float moves, it activates or deactivates a switch, managing electrical circuits typically used in pumps or alarms to track liquid levels effectively.

What is a float ball and how does it operate in a valve system?

A float ball, such as a stainless steel floating ball valve or a polypropylene float ball, operates by leveraging buoyancy to float on a liquid’s surface. As the liquid level rises or falls, the stainless steel ball float valve moves, often linked to a mechanism like a valve or switch to control liquid flow or indicate level changes, commonly used in systems like a stainless steel floating ball valve.

Are stainless steel magnetic floats used in float balls magnetic?

Most stainless steel magnetic floats, particularly those crafted from 440-grade stainless steel, exhibit magnetic properties, contrary to common assumptions about stainless steel. While many float balls, including those in a floating ring magnet set or metal float ball designs, are magnetic, non-magnetic options like a pvc float ball or plastic float ball are available for applications where magnetism is undesirable. For those interested in purchasing, options like floating ball for sale or buy floating ball can be explored through floating ball suppliers or manufacturers, with pricing details available via floating ball price inquiries or floating ball factory resources. For visual demonstrations, a floating ball video can showcase the functionality of a magnetic floating ring or floating magnet rings in action.
[[File:Float ball.jpg|thumb]]

File:Float ball.jpg

2025-09-11T02:14:51Z

Bstsensor:

float ball

Magnetic Inductor

2025-09-11T02:13:26Z

Bstsensor: magnetic inductor

An current inductor is a passive electrical component that stores energy in a magnetic field when electric current flows through it. This [https://www.bstsensor.com/products/inductor.html magnetic inductor] usually consists of an insulated wire wound into a coil, with two terminals. It may have a magnetic core inside the coil, such as an air core, an iron core or a ferrite core.

When an electric current passes through the coil of the inductor, a magnetic field is generated around it. According to Faraday's law of induction, when the current flowing through the coil changes, the time-varying magnetic field will induce an electromotive force (emf) in the conductor. The induced voltage has a polarity that opposes the change in current that created it. That is, it resists any changes in the current through it. BST inductor coil manufacturer provides custom inductor for various applications.

Current Inductor Types by Core Design

[https://www.bstsensor.com/products/inductor.html ferrite core inductor] can ben classified by many standards, one of the most popular way is to classified by core design

[https://www.bstsensor.com/products/inductor.html toroidal core inductor]: The coil is wound on a toroidal core, which has very low flux leakage, but requires special winding machines for manufacturing.

Drum/Bobbin Core Inductor: The coil is wound on a bobbin. These bobbin inductors or drum inductors vary widely in power rating, voltage and current levels, and operating frequency, and are mostly used in switch mode power supplies and power conversion applications.

Features of Toroidal Inductor

• Low radiation

• Low core loss

• Low core saturation

• Operating temperature range: -55°C to +105°C

• RoHS compliant product

Since most of the toroidal core inductors are customized, in this chart, BST power inductor manufacturer only show two typical parts for reference, please contact BST for more details.
{| class="wikitable"
|Part Number Example
|Inductance(μH)
|DCR(mΩ max)
|Idc(A)
|Irms(A)
|Height(mm)
|Width(mm)
|-
|BST-MC-10-T
|10
|48
|2.5
|2
|8.5
|4.5
|-
|BST-MC-1000-T
|1000
|638
|1.5
|3
|30
|17.5
|}

BST Sensor also offers additional magnetic components, including magnetic choke. If you require these in bulk, please do not hesitate to reach out to us.

Features of Radial Inductor

Low cost, high current

Inductance range from 10 - 1,000 µH

Open construction

Optional inductance tolerance: K = ±10%

Since most of the radial lead inductors are customized, in this chart, BST only show two typical parts for reference, please contact BST for more details.

Part Number Example

Inductance(μH) DCR(mΩ max) Idc(A)

BST-MC-10-R 10

0.022 5.3

BST-MC-1000-R 1000 1.7 0.53

Ferrite Core Inductor FAQs

What sets iron core inductors apart from ferrite core inductors?

Iron core inductors, used in traditional transformers, are larger with lower inductance. Conversely, ferrite core inductors, like toroidal core inductors, are smaller, offering higher inductance, ideal for compact designs favored by inductor suppliers.

What's the purpose of a ferromagnetic core inductor?

A ferromagnetic core inductor, such as a ferrite core inductor, eliminates common mode noise in signal or power lines by blocking low-frequency noise and absorbing high-frequency noise, boosting circuit reliability, as supported by inductor coil manufacturers.

What are the drawbacks of high current power inductors with ferrite cores?

High current power inductors with ferrite cores have lower saturation flux density than silicon steel, limiting their magnetic flux capacity before saturation, making them less ideal for high-power uses, per power inductor manufacturers.

What's the role of the core in a magnetic inductor?

The core in a magnetic inductor, often iron or ferrite, amplifies the magnetic field, increasing inductance. This makes inductors, including those from custom inductor manufacturers, key passive components in circuits alongside capacitors and resistors.

What are the applications of a pfc inductor?

A pfc inductor, like a power factor correction inductor, is used in power conversion, broadband, and interference suppression, leveraging its electromagnetic properties, as supplied by power inductor manufacturers.

Why are high current inductors with ferrite cores better for high-frequency uses?

High current inductors, such as pfc boost inductors, use non-conductive ferrite cores with low coercivity and minimal eddy current losses, ensuring high efficiency in high-frequency applications.
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2025-09-11T02:13:21Z

Bstsensor:

magnetic inductor