Hvac 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: 10...95 % Temperature measurement range: -15...+60 °C Housing: Polycarbonate Output: 4...20 mA Protection rating: IP65 Accuracy, humidity: 2.5 % Accuracy, temperature: 0.3 °C Operating voltage: 19...29 VAC, 15...35 VDC Sensor length: 205 mm