Liquid Level Switches
Liquid level switches are used to detect and control the level of liquids in tanks, reservoirs & pipelines to monitor and maintain desired liquid levels. They work on the principle
...Read moreMADISON -
Open On Rise Liquid Level Switch
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AMADISON -
Selectable Drum Liquid Level Switch
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BMADISON -
Open On Rise Ultra Low Level Liquid Switch
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D| Style | Model | Float Dia. | Max. Voltage | Float Material | Float Length | Min. Media Specific Gravity | Stem Material | Proof Pressure | Float Specific Gravity | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | M9000-ULL-NC | €70.70 | |||||||||
| B | M4400-ULL-NC | €99.43 | |||||||||
| C | M8000-ULL-NC | €70.70 | |||||||||
| D | M8020-ULL-NC | €74.68 |
MADISON -
Close On Rise Drum Liquid Level Switch
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BBARKSDALE -
Liquid Level Switches
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DTELEMECANIQUE SENSORS -
9036D Float Switches
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CTELEMECANIQUE SENSORS -
9037 Float Switches
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D| Style | Model | Max. Voltage | Overall Height | Overall Width | Height | Conduit Size | Float Rod Angle | No. Of Contact Form | Operating Temp. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 9037HG30 | €305.65 | |||||||||
| B | 9037HG32LZ20 | €245.28 | |||||||||
| C | 9037HW34 | €808.98 | |||||||||
| C | 9037HW30 | €800.07 | |||||||||
| A | 9037HG38 | €242.43 | |||||||||
| A | 9037HG36Z20 | €281.25 | |||||||||
| B | 9037HG36LZ20 | €235.96 | |||||||||
| D | 9037HG36F3LZ20 | €185.43 | |||||||||
| A | 9037HG34R | €264.79 | |||||||||
| A | 9037HG33Z20 | €247.08 | |||||||||
| A | 9037HG33F3Z20 | €261.92 | |||||||||
| B | 9037HG32Z20 | €280.57 | |||||||||
| A | 9037HG31R | €242.43 | |||||||||
| A | 9037HG31 | €277.06 | |||||||||
| A | 9037HG30Z20 | €308.92 | |||||||||
| A | 9037HG30R | €277.06 | |||||||||
| A | 9037HW33 | €753.48 | |||||||||
| A | 9037HG37 | €277.06 | |||||||||
| A | 9037HG36 | €277.06 | |||||||||
| A | 9037HG35 | €277.06 | |||||||||
| A | 9037HG34 | €242.43 | |||||||||
| A | 9037HG33R | €284.50 | |||||||||
| A | 9037HG33 | €270.26 | |||||||||
| A | 9037HG32L | €202.66 | |||||||||
| A | 9037HG32 | €301.78 |
TELEMECANIQUE SENSORS -
9037E Float Switches
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BTELEMECANIQUE SENSORS -
9038A Mechanical Alternators
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BTELEMECANIQUE SENSORS -
9038C Mechanical Alternators
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B| Style | Model | Max. Voltage | Height | No. Of Contact Form | Operating Temp. | Float Travel | Float Dia. | Float Material | Float Length | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 9038CG36LZ20 | €726.66 | |||||||||
| B | 9038CG36N4 | €943.50 | |||||||||
| A | 9038CG36N4LZ20 | €809.42 |
MADISON -
Plastic Single-Point Liquid Level Switches
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Y| Style | Model | Float Dia. | Max. Voltage | Float Length | Mounting | Float Material | Min. Media Specific Gravity | Max. Amps | Stem Thread Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | M5910 | €235.04 | |||||||||
| B | M5900 | €236.38 | |||||||||
| C | M9705 | €87.01 | |||||||||
| D | M9700 | €52.31 | |||||||||
| E | M8700 | €21.64 | |||||||||
| F | M7790 | €41.08 | |||||||||
| G | M7750 | €38.11 | |||||||||
| H | M7700 | €32.73 | |||||||||
| I | M7725 | €41.38 | |||||||||
| J | M7740 | €38.61 | |||||||||
| K | M8800 | €86.81 | |||||||||
| L | MSB8800 | €150.95 | |||||||||
| M | M4300 | €101.51 | |||||||||
| N | M7000 | €28.27 | |||||||||
| O | M5970 | €188.76 | |||||||||
| P | M8000B | €49.34 | |||||||||
| Q | M4010 | €89.95 | |||||||||
| R | M8705 | €63.22 | |||||||||
| S | M8710 | €81.90 | |||||||||
| T | M9000 | €56.06 | |||||||||
| U | M8000 | €28.21 | |||||||||
| V | M8750 | €29.57 | |||||||||
| W | M8790 | €29.20 | |||||||||
| X | M8700-C | €31.15 | |||||||||
| Y | M5917 | €181.57 |
MADISON -
Selectable Multi-level Liquid Level Switch
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CMADISON -
Stainless Steel Single-Point Liquid Level Switches
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N| Style | Model | Float Dia. | Max. Voltage | Float Material | Float Length | Min. Media Specific Gravity | Max. Amps | Mounting | Stem Thread Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | M5920 | €249.47 | |||||||||
| B | MS8800 | €89.10 | |||||||||
| C | MS7000 | €38.24 | |||||||||
| D | M5010 | €103.94 | |||||||||
| E | MS8000 | €39.27 | |||||||||
| F | MS9000 | €52.41 | |||||||||
| G | M4190 | €494.99 | |||||||||
| H | M5000 | €105.35 | |||||||||
| I | MS5010 | €164.03 | |||||||||
| J | M4190-HP | €448.31 | |||||||||
| K | M5600-PR | €165.07 | |||||||||
| L | MS5917 | €141.41 | |||||||||
| M | MSB5600 | €257.53 | |||||||||
| N | M4190-BU | €453.45 |
MADISON -
Open On Rise Drum Liquid Level Switch
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BMADISON -
Close On Rise Liquid Level Switch
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CD| Style | Model | Float Dia. | Max. Voltage | Float Material | Float Length | Max. Amps | Mounting | Min. Media Specific Gravity | Stem Thread Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | M3326-NO | €41.38 | |||||||||
| B | M3326-NPT-NO | €57.01 | |||||||||
| C | M8000-NO | €24.05 | |||||||||
| D | M3827-2NO | €156.51 | |||||||||
| D | M3827-3NO | €163.54 |
MADISON -
Open On Rise Multi-level Liquid Level Switch
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BMADISON -
Adjustable-Level Liquid Level Switches
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C| Style | Model | Float Dia. | Max. Voltage | Float Material | Float Length | Min. Media Specific Gravity | Stem Material | Proof Pressure | Max. Pressure | Price | |
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| A | M4302-7807-6 | €230.28 | |||||||||
| B | M5602-7808-1 | €397.97 | |||||||||
| C | M5602-7808-6 | €371.68 |
TELEMECANIQUE SENSORS -
9038 Alternator Liquid Level Switches
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FG| Style | Model | Float Dia. | Max. Voltage | Float Length | Mounting | Stem Thread Size | Operating Temp. | Float Travel | Mounting Style | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 9038CG31 | €674.39 | |||||||||
| A | 9038CG34 | €783.52 | |||||||||
| B | 9038CG36Z20 | €746.09 | |||||||||
| C | 9038CG33F3 | €709.00 | |||||||||
| A | 9038CG32Z20 | €758.29 | |||||||||
| A | 9038CG32N5 | €954.51 | |||||||||
| C | 9038CG31F3 | €697.03 | |||||||||
| A | 9038CG33Z20 | €744.67 | |||||||||
| A | 9038CG32 | €738.85 | |||||||||
| D | 9038CW32 | €1,594.57 | |||||||||
| B | 9038CG36 | €777.54 | |||||||||
| A | 9038CG33 | €759.13 | |||||||||
| E | 9038DG9 | €1,000.56 | |||||||||
| E | 9038DG8 | €920.07 | |||||||||
| E | 9038DG7 | €907.78 | |||||||||
| F | 9038DW8 | €1,666.78 | |||||||||
| G | 9038AG1S6 | €450.78 |
MADISON -
Selectable Liquid Level Switch
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FTELEMECANIQUE SENSORS -
Close On Rise Liquid Level Switch
AB| Style | Model | Float Dia. | Max. Voltage | Mounting | Overall Height | Overall Width | Height | Conduit Size | Float Travel | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 9038CW33 | - | RFQ | ||||||||
| B | 9036DG2S12 | €161.97 |
Working Mechanism
- Mount the level switch at the desired level in the container or tank.
- Make sure the float can move up and down as the liquid level changes.
- As the liquid level rises, the float will also rise, activating the switch mechanism.
- The switch can be connected to a control system or pump to perform the desired action, such as stopping or starting a process.
Frequently Asked Questions
What is the difference between a normally open (NO) and normally closed (NC) liquid level switch?
A normally open (NO) liquid level switch stays in the open state when the liquid level is below the set threshold and closes the circuit when the liquid level rises to the desired level. A normally closed (NC) switch operates oppositely, being in a closed state when the liquid level is below the threshold and opening the circuit when the liquid level reaches the set level.
Why do some people use multiple liquid level switches in the same tank?
Utilising multiple liquid level switches in the same tank provides redundancy and more precise level control. They can be wired in parallel or series, depending on the desired functionality.
How do I troubleshoot a liquid level switch that is not functioning properly?
Troubleshooting measures include checking electrical connections, verifying power supply, inspecting for damage or debris affecting switch operation and ensuring proper switch calibration.
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