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Improve the electrical termination of vented submersible pressure sensors

KL1 Cable Junction Box for Submersible Level TransmittersSubmersible cable is more expensive because it has to be reinforced to support the sensor plus its own weight in deep holes without stretching which would lead to a change in sensor position and ultimately sensor calibration.

A submersible cable also has a vent tube running through it to allow gauge reference pressure sensors access to ambient air pressure which is essential for accurate level measurement. Due to this extra complexity, submersible cable are more expensive than general purpose sensor cable and therefore the KL1 junction box helps reduce the cost of installations whilst providing a vent which prevents moisture ingress down the cable.

Although most instruments are not able to survive a direct lightning strike it is possible to protect nearby instrumentation from voltage surges which are less severe but can be just as damaging to sensitive sensor electronics without adequate discharge protection. The KL1 submersibe sensor junction box includes the option for protection from a 10 kiloamp discharge current.

If a PT100 temperature sensor probe is included in the installation the KL1 terminal box can include an option for a PT100 transmitter to convert the output from a platinum resistance thermometer to a 2 wire, 4 to 20 mA output signal.

Vented submersible pressure sensor products
  • LMK 487 Submersible Ballast Tank and Draught Level Pressure Transmitter
  • 200m deep well pump water level sensor, switch & display
  • Underground rain water storage tank level sensor and readout for 2 metre depth
  • Submersible rainwater tank level sensor for measuring 3.5m depth

Request info on vented submersible pressure sensor products for your application.

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  • Absolute Pressure
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Help Guides

  • Using absolute pressure sensors to measure hydrostatic level
  • Measuring vacuum with negative gauge or absolute ranges
  • Measuring the difference in air pressure between rooms
  • What does negative and positive gauge pressure mean
  • Measuring the Pressure of Hot Media
  • Determining water tank volume using hydrostatic pressure
  • How to get a 10 volt signal from a 4-20mA output pressure sensor

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