Polarising Circuit

This simple, low cost, battery operated unit supplies the polarising voltage for a single electrode and produces an analogue output for a chart recorder.

The controls allow the polarising voltage (which is displayed on a meter) to be adjusted. The recorder output voltage is adjusted by a five position, coarse adjustment switch and a ten-turn fine potentiometer which enables the electrode to be calibrated to the recorder. The electrode and the recorder are connected via DIN sockets on the front panel. A stirrer is not included.


Resolution Not applicable
Polarising Voltage 0–1.5 V
Recorder Output 0–30 mV via DIN
Stirrer Not included
Power Supply 1 × C type battery (supplied)
Size 200 mm (width) × 120 mm (depth) × 70 mm (height)
Weight 0.8 kg

Rank Brothers Ltd reserves the right to change specifications in the light of continuing development.

Operating Manuals

These operating manuals are in PDF format. They can be opened in the free Adobe Acrobat Reader software.

Oxygen Electrode Manual

Ordering Information

For a working oxygen measurement system you will need a controller and an electrode (the Polarising Circuit also requires a separate stirrer). Rank Brothers offers a range of Perspex oxygen electrodes and glass oxygen electrodes suitable for use with this controller.


Order Code Description
OXY031A Polarising Circuit (stirrer not included)

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