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Reedchain Transmitter

TC Fluid Control’s reedchain transmitters are a reliable and simple solution to provide your process with a 4-20mA output.

The transmitters comprise of a chain of switches evenly spaced at intervals of 5mm, 10mm or 20mm gaps, as the float moves along this chain, the magnetic field generated by the float closes the reed switches changing the resistance in the circuit,  the resistance output is proportional to the level of the liquid.

The TC Fluid Control reedchain transmitter are more economical than alternatives over short distances- it’s externally mounted so can easily be removed or added whenever necessary and is also relatively maintenance free.

They can be supplied with a local LCD display along with the 4-20mA output for remote indication of the liquid level.

  • Simple application and no media contact
  • Can be orientated to suit any gauge configuration or cabling arrangement
  • Intrinsically safe or explosion proof design
  • Two wire 4-20mA current loop
  • Resolution 5mm, 10mm, 20mm as standard
  • Transmits up to 6KM
  • Can be easily retro fitted
  • HART – protocol, PROFIBUS, FIELDBUS options
  • Approvals E Exia IIC T4-T6,  E Exd IIC T4-T6

Local LCD digital display is an option with the Intrinsically safe version.



Data Sheet

Reed Chain Transmitter IOM

Enquiry Form

Reed Chain Transmitter Enquiry Form