Met One 083E Relative Humidity Sensor

The 083E/085 Relative Humidity Sensor measures variance in the capacitance change of a one- micron thick dielectric polymer layer. This film absorbs water molecules through a metal electrode and causes capacitance change proportional to relative humidity. The thin polymer layer reacts very quickly, providing up to 90% of the final value of relative humidity in fewer than five seconds. The sensor’s response is essentially linear, with small hysteresis, and negligible temperature dependence.

Features

All solid state construction, digital electronics
Fast response of less than 5 seconds to 90% of final value
Low power consumption of 4 mA at 12 VDC
Easily cleaned using distilled water
0-1V output for 0-100% RH
Will operate from a 12 VDC battery