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Float Level Switch Product List and Ranking from 10 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

Float Level Switch Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. 理光フロートテクノロジー Osaka//Machine elements and parts
  2. セムコ Hyogo//Testing, Analysis and Measurement
  3. 東器産業 東京工場 Tokyo//Testing, Analysis and Measurement
  4. 4 メイク Osaka//Testing, Analysis and Measurement
  5. 5 関西機械工業 Kyoto//Industrial Machinery
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Float Level Switch Product ranking

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. Horizontal float type level switch (FSH) セムコ
  2. Float-type level switch "LS-S1 Series" シーズ
  3. Float-type level switch "KANKI Liquid Level Sensor" 関西機械工業
  4. SUS-made float type level sensor (for water, oil, and chemicals, horizontal mounting type) 理光フロートテクノロジー
  5. 4 SUS-made float-type level sensor (for water, oil, and chemicals, horizontal mounting type) 理光フロートテクノロジー

Float Level Switch Product List

1～15 item / All 41 items

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Simple liquid level detection "Float-type level switch"

Simple liquid level detection "Float-type level switch"

Detect liquid levels with buoyancy! Simple and easy! It reliably captures the liquid level!

This is a level switch that detects the liquid level in tanks or containers using the buoyancy of a float. It is suitable for detecting liquid levels of water, oil, and chemical solutions! - It allows for the construction of low-cost multi-point level measurement. Up to 4 points can be detected with a single unit. - It is not affected by the electrical properties of the measured substance (such as capacitance or conductivity). It simply detects the liquid level position based on the movement of the float. - It can detect liquid levels even in corrosive environments. Materials such as SUS304, SUS316, PVC, and PP are available, enhancing corrosion resistance. - It provides stable detection that is less affected by temperature, humidity, and gases. The use of reed switches ensures stable detection operation. - It can detect liquid levels even in explosion-proof areas. It can accommodate sites that require explosion-proof standards (d2G4). *Please consult us. - No power supply is required. Since it only detects the liquid level based on the movement of the float, there is no need for power supply.

  • Level gauges and level switches
  • Liquid level control/level switch
  • Other measurement, recording and measuring instruments

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Float-type level switch

Float-type level switch

Designed and manufactured to meet needs, from standard products to custom items and small lots.

This is a custom-made liquid level float switch designed and manufactured to meet customer requirements. Materials: SUS304, SUS316, PVC, PP, Teflon, etc. Mounting: Flange, screw, ferrule, etc. We offer a selection tailored to your usage conditions. We accommodate customer needs with standard products, custom products, and small lot orders. For more details, you can download the catalog.

  • Level gauges and level switches
  • switch
  • Sensors

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Float-type level switch "CLS Series"

Float-type level switch "CLS Series"

Prevent troubles caused by forgetting to replenish the medication solution, which leads to discharging untreated wastewater!

The "CLS Series" is a level gauge for drought warning that can be installed in small PVC or PE tanks. Please use it according to the size of various tanks. It is especially recommended for plant manufacturers. 【Features】 ■ Made of resin, suitable for various chemical liquids ■ Allows for fine adjustment of the set water level (fixed with a loose nut) ■ Very low cost compared to conventional level gauges ■ Available in two types: outdoor (with terminal box) and indoor *For more details, please refer to the PDF document or feel free to contact us.

  • Level gauges and level switches
  • Other FA equipment
  • Other environmental equipment

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Float-type level switch "LS-S1 Series"

Float-type level switch "LS-S1 Series"

For drainage treatment systems! A float-type level switch that is resistant to rust, scum, suspended solids, and oil-water mixtures.

The "LS-S1 Series" is a float-type level switch suitable for purification tanks, community plants, and various drainage pits. It is resistant to waste, scum, floating substances, and oil-water mixtures, and is unaffected by chattering or rust. The cable uses a special flexible vinyl cable that is oil-resistant. The tip is completely processed for water drainage, and the connection to the functional part is filled with epoxy resin to ensure complete integration with the molded case. 【Features】 ■ The operating part is completely packed within another molded case provided inside the float, ensuring that even if water enters, it does not affect operation or functionality. ■ A balance weight is attached to the tip of the float to enhance the accuracy of the operating point. ■ The buoyancy material inside the float also serves as shock absorption, providing excellent impact resistance. *For more details, please refer to the PDF document or feel free to contact us.

  • Liquid level control/level switch

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Easy maintenance with a simple structure! Vertical float level switch.

Easy maintenance with a simple structure! Vertical float level switch.

Numerous achievements in marine environments! Float-type vertical level switch (FSV)

This product is a float-type vertical level switch. It is commonly used in marine environments. Semco Co., Ltd. has been involved in liquid level detection and control for many years. We would like to assist various customers in solving their challenges with the technology and know-how cultivated through our experience. *For more details, please refer to the external link page or feel free to contact us.

  • Level gauges and level switches

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Float-type level switch (QFA model)

Float-type level switch (QFA model)

Float-type level switch (QFA model)

【Model】 ■QFA Type … Cable Float Type 【Measurement Target】 Low Viscosity Liquids 【Features】 Multi-point detection with a single unit Low cost Easy adjustment of contact position on-site Shared a contact/b contact; SUS float for hot water Pressure resistance 1MPa

  • Level gauges and level switches

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Float-type level switch "KANKI Liquid Level Sensor"

Float-type level switch "KANKI Liquid Level Sensor"

It has excellent chemical resistance! A float-type level switch with freely adjustable contact positions.

The "KANKI Liquid Level Sensor" is a level sensor (level switch) designed for small diameter installation (25A, 30A) and loose type, with adjustable contact positions on-site. We offer the "KFS type" with lead wire (1 contact), the "KFS-B type" with an outdoor terminal box (1 contact), and the "KFS2-B type" with an outdoor terminal box (2 contacts). It is ideal for low-level and dry run alarms in small tanks, preventing empty runs of mixers, and stopping pumps. 【Features】 ■ Excellent chemical resistance float ■ Screw-in installation ■ Available in two types: with lead wire and with outdoor terminal box ■ Can be installed in small spaces with a small diameter ■ Cut and full-length modifications are possible For more details, please refer to the catalog or feel free to contact us.

  • Liquid level control/level switch
  • Level gauges and level switches

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Magnetic Float Level Switch "WLS-200 Series"

Magnetic Float Level Switch "WLS-200 Series"

2 float types! You can also choose the float specifications.

The "WLS-200 Series" is a two-float type magnetic float level switch consisting of a float with a built-in permanent magnet and a guide tube (one or more) that houses a reed switch. We offer a wide variety of head types, including the IP68 "HN TYPE" and the weather-resistant "HP TYPE." *For more details, please refer to the PDF materials or feel free to contact us.

  • Company：YTK
  • Price：Other
  • switch
  • Other measurement, recording and measuring instruments

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Magnetic Float Level Switch "WLS-300 Series"

Magnetic Float Level Switch "WLS-300 Series"

3 types of floats! You can choose between metal floats and non-metal floats.

The "WLS-300 series" is a magnetic float level switch of the three-float type. It consists of a float with an embedded permanent magnet and a guide tube (one or more) that contains a reed switch. *For more details, please refer to the PDF materials or feel free to contact us.

  • Company：YTK
  • Price：Other
  • switch
  • Other measurement, recording and measuring instruments

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Reed switch type float level switch "RFS-12"

Reed switch type float level switch "RFS-12"

No adjustments are needed after installation! The variation in operating points is minimal and stable.

【Model】 ■RFS-12 The "RFS Series" is a reed switch type float level switch with a simple mechanism, resulting in fewer failures. A reed switch is sealed inside the main body, and it operates due to the magnetic force of the magnet inside the float. Additionally, to prevent activation, the reed switch is filled with inert gas, and the contact area is treated with plating. 【Features】 ■All stainless steel horizontal mounting type ■High durability and reliability ■Fewer failures due to the simple mechanism ■Compact design that saves space ■High repeat accuracy and long lifespan due to the reliable reed switch method *For more details, please refer to the PDF document or feel free to contact us.

  • Level gauges and level switches

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SUS-made float type level sensor (for water, oil, and chemicals, horizontal mounting type)

SUS-made float type level sensor (for water, oil, and chemicals, horizontal mounting type)

SUS-made side-mounted float level switch for water, oil, and chemicals. It can be easily installed by simply making a small hole in the side of the tank.

【Model】 　■RFS-11A 【Specifications】 　■Main body material: SUS304 　■Float material: SUS304 　■Operating temperature (at atmospheric pressure): -40℃ to +120℃ 　■Pressure resistance (at room temperature): 0.5MPa 【Remarks】 　We offer a wide variety of sizes, functions, and performances, from large capacity tanks to equipment installation. 　According to your needs, we can accommodate custom specifications regarding the length of the main body, number of floats, size of floats, terminal box, flange specifications for side mounting, and more, covering materials, structure, performance, and cost. 　*For more details, please download the PDF or feel free to contact us.

  • Level gauges and level switches

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SUS-made float type level sensor (for water, oil, and chemicals, horizontal mounting type)

SUS-made float type level sensor (for water, oil, and chemicals, horizontal mounting type)

SUS-made side-mounted float level switch for water, oil, and chemicals. It can be installed from the outside of the tank's side and is compatible with tanks of various depths.

【Model】 　■RFS-12 【Specifications】 　■Main body material: SUS304 　■Float material: SUS304 　■Operating temperature (atmospheric pressure): -40℃ to +120℃ 　■Pressure resistance (at room temperature): 0.5MPa 【Remarks】 　We offer a wide variety of sizes, functions, and performance, from large capacity tanks to equipment integration. 　Depending on your requirements, we can accommodate custom specifications regarding the length of the main body, number of floats, size of floats, terminal box, flange specifications for side mounting, and more, covering materials, structures, performance, and costs. 　*For more details, please download the PDF or feel free to contact us.

  • Level gauges and level switches

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[Presentation of Materials] Basic Knowledge of Float Level Switches

[Presentation of Materials] Basic Knowledge of Float Level Switches

A detailed explanation of the operating principle of the ON/OFF state of a switch and the most important characteristic when using a reed switch, which is the sensitivity value.

This book is a reference material for learning the fundamental knowledge of "float level switches," which are indispensable in various fields. It begins with an explanation of the names and structures of each component, using the MFS17 model as an example. It also discusses the permanent magnet "ferrite magnet," which is used when magnetic characteristics are stable and a high magnetic field is not required, as well as the "float," which is one of the important components in sensors that detect the position of the liquid level. This material is useful not only for those who want to learn the basics but also for anyone interested in our products. 【Contents】 ■Part 1: Basic Knowledge of Floats ■Part 2: History of Float Development ■Part 3: Participatory Management Activities *For more details, please download the PDF or feel free to contact us.

  • Level gauges and level switches

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LF-B type (screw welding type) SUS float level switch

LF-B type (screw welding type) SUS float level switch

It is a screw-in type level switch.

Mounting screws are JIS compliant, and custom screw manufacturing and installation are also possible. The contact capacity is 50VA for the standard type and 110VA for the high-capacity type. The number of contacts ranges from 1 to 5 (more than 5 can be discussed). Float outer diameters are φ28, φ40, φ50, and φ60. Operating guaranteed temperature is -30 to 125℃. Usable temperature range is -60 to 200℃. Available types include drip-proof, waterproof, and pressure-resistant explosion-proof (d2g4). For more details, please refer to the catalog and consult us. Materials handled: SUS; 304, 316, 316L.

  • Level gauges and level switches

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Small Float Type Level Switch LF-BSL Model

Small Float Type Level Switch LF-BSL Model

It is a stainless steel level switch of the small path float type, L-shaped.

This is an L-shaped level switch for a small diameter float. The float outer diameter is φ28. The mounting screw is PT1/4. The contact capacity is a standard 50VA. There is one contact point. A high-temperature version (up to 100 degrees) is also available. Customization of cable length and operating method is possible. Material: SUS316.

  • Level gauges and level switches

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