Moisture Module 4...20Ma Output Dimensions L x W x H: 47 x 10 x 2.8 mm Humidity measurement range: 0...99.9 % Operating temperature: -25...+85 °C Linearity error: 3 % relative humidity at 23 °C Specification range: 15...85 % relative humidity Output: 4...20 mA Operating voltage: 8...32 VDC