gnd ground terminals power supply 100 to 240v ac temperature output 4 to 20ma dc or 0 to 20ma dc humidity output 4 to 20ma dc or 0 to 20ma dc output se-lection 4 to 20ma dc or 0 to 20ma dc wet bulb input(rtd) dry bulb input(rtd)
be sure to use an assmann type psychrometer sensor(pt100).
the sensors in the picture are an example. they are not for sale.
any indicators, controllers or recorders which have an input of 0 to 20ma dc or 4 to 20ma dc can be used as a receiving instrument.
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