Moisture Meter Dimensions L x W x H: 101 x 80.6 mm Dimensions W x H x D: 101 x 80.6 x 46 mm Humidity measurement range: 0...100 % Temperature measurement range: -40...+60 °C Display: No Humidity output: 4...20mA Probe design: Wall Sensor Temperature output: 4...20mA Accuracy, humidity: 1.3 % Accuracy, temperature: 0.2 °C Operating voltage: 20...30 VDC Sensor length: 55 mm