For Duct Mounting Sensor without displaying function Full Temperature Compensation 2 wire output Accuracy +-2.0% Humidity and Temperature Sensor/ TransmitterModel HTDF3005(0-5V output) orHTD3010(0-10V output) HTD3020(4-20mA output) or HTD3485(RS485 signal)Sensor with displaying functionFeature & Application:for Duct MountingSensor without displaying functionFull Temperature Compensation2 wire ...