Omega Engineering HX303AC - Relative Humidity/Temperature Transmitter, 0 % to 100 %, 0 C to 100 C (32 F to 122 F), 12 Vdc to 40 Vdc, 4 mA to 20 mA, Wall Mount, HX300A Series
HX300 Series Transmitter is designed for industrial environments requiring fast, stable and accurate measurements. It utilizes a highly stable thin film polymer capacitor to sense relative humidity, and a high accuracy thin film RTD to accurately sense temperature.