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Level switches

Level switches

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Level switches are used to detect a high or low level and take immediate action. The best-known example is the float in a toilet bowl that closes the water supply when the tank is full. In industrial settings, level switches are used to control the level in tanks, for example, by turning a pump on or off. In shipping, they are used as bilge monitors in addition to tanks. The most commonly used level switch is the float switch, but there are also electronic versions such as a vibrating fork, ultrasonic or capacitive level switch. Each measurement principle has its own advantages and disadvantages. Feel free to ask us for help in selecting the right product.

Picture of Barksdale bilge float switch series UNS-VA-SB4

Barksdale bilge float switch series UNS-VA-SB4

SKU 2009967
The UNS-VA/SB4 is a rugged and sturdy bilge level switch made from stainless steel. It is especially designed for shipbuilding industry, offshore, oil tanks and sewage works. The UNS-VA/SB4 has 4 standard cable lengths : 1, 5, 10 and 15 meter.
Picture of Barksdale bilge float switch series UNS-VA-SB5

Barksdale bilge float switch series UNS-VA-SB5

SKU 2009968
The UNS-VA/SB5 with test function, is a rugged and sturdy bilge level switch made from stainless steel. It is especially designed for shipbuilding industry, offshore, oil tanks and sewage works. The UNS-VA/SB5 has 4 standard cable lengths : 1, 5, 10 and 15 meter.
Picture of Barksdale electronic level transmitter series BLS3000

Barksdale electronic level transmitter series BLS3000

SKU W-9000380
The BLS3000 is an electronic version of a traditional float switch. On the clear LCD display you can read the current level and with the built-in PNP contacts you can monitor a low or high level. In addition to the switching outputs, there are also versions with an analogue 4-20 mA, or 0-10 Volt output. The BLS3000 can be used as a float switch, but also as a level transmitter.
Picture of Barksdale marine float switch series UNS2000-S

Barksdale marine float switch series UNS2000-S

SKU W-9000257
The Barksdale UNS2000-S series is a level switch with one or multiple floats. The UNS200-S version is specially designed for marine and shipping and provided with approvals such as GL, RINA and LR. The float switches are completely made of stainless steel and can be fitted with a process connection with BSP thread or DIN flanges.
Picture of Barksdale multi level switch series UNS1000-MS

Barksdale multi level switch series UNS1000-MS

SKU W-9000253
The brass multi float switches with NBR floats in the series UNS1000-VA are available with one to five switching points. These level switches for top mounting are custom made in any length up to one meter. With the standard 1 "BSP connection, these floats can be easily mounted into a socket on top of a tank.
Picture of Barksdale multi level switch series UNS1000-VA

Barksdale multi level switch series UNS1000-VA

SKU W-9000254
The all stainless steel multi float switches in the series UNS1000-VA are available with one to five switching points. These level switches for top mounting are custom made in any length up to one meter. With the standard 1 "BSP connection, these floats can be easily mounted into a socket on top of a tank.
Picture of Barksdale float switch series UNS2000-MS

Barksdale float switch series UNS2000-MS

SKU W-9000256
The Barksdale UNS2000 multi level switches are used in a multitude of industrial applicaitons. The level switches are custom made and are available in a wide range of mounting elements, electrical connections, various materials and options. Several shipbuilding approvals or intrinsically safe approval available
Picture of Dwyer float switch series L8

Dwyer float switch series L8

SKU 2016559
Model L8 Flotect Liquid Level Switch features a leak proof body and float constructed from tough, durable polyphenylene sulfide which has excellent chemical resistance. This compact and reliable control is designed to handle temperatures up to (100°C and pressures to 10 bar.
Picture of Dwyer side mounting float switch series L4

Dwyer side mounting float switch series L4

SKU 2002064
Rugged and reliable the Series L4 Flotect Level switch operates automatically to indicate tank level. Perfect for starting or stopping pumps, opening or closing valves, or actuate level alarm signals. Horizontal installation or optional top mount vertical installation. ATEX version available.
Picture of FinTek top mount level switch series FD7

FinTek top mount level switch series FD7

SKU 2019828
The magnetic, explosion proof, level switches of FineTek are custom made​​. Length, number of switching points and fitment can be made ​​according to customer specifications. The level switches consist of high quality materials and are quality controlled. The function of the switch, NO or NC, is easily set by the user. All switches are available with explosion proof ATEX certificate.
Picture of FineTek side mounted float switch series FF10

FineTek side mounted float switch series FF10

SKU 2009839
FineTek's side mounted float level sensor are manufactured specifically for horizontal mounting in a tank or vessel. The sensors have a marine approval or are intrinsically safe. Ideal for the process industry of maritime industry.
Picture of FineTek capacitive level switch series SB

FineTek capacitive level switch series SB

SKU W-9000360
The Finetek SB series capacitive level switch detects levels of liquids, powders and bulk. This is designed to reduce adhesion of the medium at the sensor to a minimum. This product offers a DPDT output for high or low level detection, adjustable delay and an adjustable sensitivity. Several models are available for high temperatures, or limited installation space.
Picture of FineTek rotary paddle level switch series SE

FineTek rotary paddle level switch series SE

SKU W-9000359
The SE series rotary paddle level switches are suitable for simple detection of solids and powders in bulk tanks, silos and containers. The paddle rotates with one rotation per minute, and switches a contact if powders, granules or other dry substances are present. The switch can be used as a level controller, or as a low or high level alarm detection.
Picture of FineTek tuning fork level switch series SC2400

FineTek tuning fork level switch series SC2400

SKU 2020193
The SC2400 Series is a compact and inexpensive vibrating level switch by Finetek. The tuning fork is applicable in both liquids and bulk. The BSP threaded connection, transistor output and high temperature and pressure capacity of the SC2400 is an excellent solution for many installations. For more demanding apllications where the SC2400 is not sufficient, the SC series of FineTek offers many m...
Picture of FineTek vibration level switch series SC-Probe

FineTek vibration level switch series SC-Probe

SKU 2020195
The Finetek SC-Probe series works on the same principle as a tuning fork, but has the advantage that the sensor is in one piece. Thus, the medium can not sit between the sensor, which, in a traditional tuning fork can be the case. The SC2100 is the standard version that can be completely custom made​​, there is also an ATEX certified version, the SC1700.
Picture of Flowline capacitive level switch series LP15

Flowline capacitive level switch series LP15

SKU 2021037
The Switch-Tek LP15 series offers reliable high or low level detection for water-based conductive liquids with light pollution, such as copper sulphate and saline. The submersible polypropylene level switch can be mounted by a non-metallic tank wall, or inside a tank as a high or low level alarm.
Picture of Flowline capacitive level switch series LP50

Flowline capacitive level switch series LP50

SKU 2017790
The Switch-Tek LP50 series capacitive level switch provides reliable level detection of water-based conductive liquids such as hydrochloric acid, sulfuric acid and water. The level sensor is mounted on the outside of a non-metallic tank and can be used as a high or low level alarm. The sensor detects a level through walls up to 25 mm thick.
Picture of Flowline tuning fork level switch series LZ12

Flowline tuning fork level switch series LZ12

SKU 2020036
The Flowline LZ12 vibration level switch provides reliable liquid level detection of dirty liquids such as those with light to medium coating, scaling or foaming characteristics with a relay output. Media examples include wastewater, diluted caustic soda and light weight oil. For optimum performance, the liquid level switch automatically adjusts for coating build up, and if necessary, outputs a...
Picture of Flowline ultrasonic level switch series LU10

Flowline ultrasonic level switch series LU10

SKU 2012577
The LU10 series ultrasonic level switch provides reliable level detection of chemical liquids, solvents, hydrocarbons and petroleum based fluids. Media examples include fuel, acetone and hydrochloric acid. The submersible polypropylene or PFA sensor can be mounted through the tank wall or in the tank as a high or low level alarm.
Picture of Klay-Instruments compact level switch Vibraswitch-C

Klay-Instruments compact level switch Vibraswitch-C

SKU W-9000523
The level switch Vibraswitch-C from Klay-Instruments is a robust switch based on the vibrating fork measurement principle. The sensor is electronically vibrated and registers the difference in resonance frequency, on which it switches. The compact level switch is suitable for all liquids. Due to the vibrating forks, operation is not affected by flow, turbulence, air bubbles or vibrations in the...
Picture of Klay-Instruments universal level switch Vibraswitch-S

Klay-Instruments universal level switch Vibraswitch-S

SKU W-9000524
Klay-Instruments' robust level switch Vibraswitch-S is based on the vibrating fork measurement principle. The level switch is compact and suitable for all liquids. Due to the high frequency combined with the robust vibrating forks, operation is not affected by flow, turbulence, air bubbles or vibrations in the process.
Picture of Flowline Echopod ultrasonic level sensor series DL14

Flowline Echopod ultrasonic level sensor series DL14

SKU 2012709
The general purpose ultrasonic level transmitter provides continuous level measurement up to 49.2" (1.25m) with a 4-20 mA signal output, and is configured via our free WebCal software. The embedded level controller can lower cost by replacing external control hardware. This non-contact liquid level sensor is ideally suited for corrosive, sticky or dirty liquids, and is widely selected for small...
Picture of Flowline Echopod ultrasonic level sensor series DL24

Flowline Echopod ultrasonic level sensor series DL24

SKU 2017044
The general purpose ultrasonic level transmitter provides continuous level measurement up to 9.8' (3m) with a 4-20 mA signal output, and is configured via our free WebCal software. The level sensor has 4 programmable relays with selectable hysteresis and fail-safe logic. The embedded level controller can lower cost by replacing external control hardware. This non-contact liquid level sensor is...
Picture of Flowline Echopod ultrasonic level sensor series DL34

Flowline Echopod ultrasonic level sensor series DL34

SKU 2018731
The general purpose ultrasonic level transmitter provides continuous level measurement up to 18.0' (5.5m) with a 4-20 mA signal output, and is configured via the free Webcal software. The level sensor has 4 programmable relays with selectable hysteresis and fail-safe logic. The embedded level controller can lower cost by replacing external control hardware. This non-contact liquid level sensor...