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Toroidal Conductivity Loop Powered Transmitter

Supplier: Royce Water Technologies

This Electrical Conductivity monitoring system consists of a loop powered transmitter and an Electrodeless Conductivity sensor in a single package.

Price Guide (Inc GST): POA

Temperature compensation is accomplished with a built-in sensor.

Application includes water treatment, cooling tower and water monitoring.

Three models are available for specific measuring range.

ST3254.1 Range 0-10mS

ST3254.2 Range 0-100mS

ST3254.3 Range 0-1000mS

ST3214.5 Range 0-200mS

PRINCIPLE OF OPERATION

When the electrodeless conductivity sensor is immersed in the sample to be measured, a conductive loop is created through the two toroidally wound coils. An Alternating current is applied to one of the coils which induces a current in the conductive loop.

The second coil is udes to measure the conductivity which is proportional to the induced current in the solution.

The advantages of the electrodeless method are more apparent in measurement applications in which electrodes contamination and polarization of a conventional conductivity system can lead to erroneous readings.

Each probe contains:

  • Two measuring toroidal coils
  • Temperature sensor
  • 4-20mA current loop amplifier