Sensors & Transducers


Relative humidity and temperature multi-unit transmitter

April 2015 Sensors & Transducers

Michell Instruments has introduced the WM series wall-mount relative humidity and temperature multi-unit transmitter. The unit has the ability to display and provide an output signal of % rh, dew point or absolute humidity and temperature. Analog output options include 4-20 mA, 0-10 VDC, 0-5 VDC and 0-1 VDC. The 4-20 mA version is loop powered while the voltage output versions are 14-30 VDC powered. The WM Series offers excellent measurement accuracy and stability (+ 1% rh over 12 months) wherever a wall-mounted sensor is required.

The WM Series finds application in HVAC/building management systems, swimming pools, pharmaceutical, storage facilities and climate room monitoring. A variety of optional filters PVDF, wire mesh or sintered stainless steel, is also available.

For more information contact Pieter Deysel, Instrotech, +27 (0)10 595 1831, [email protected], www.instrotech.co.za



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