PyroMiniBus Miniature Infrared Temperature Sensor with RS485 Modbus RTU Communications. Measurement Temperature Range: -20 to 1000°C, Ambient Temperature Range: 0 to 120°C. Accuracy ±1% Reading or ±1°C, whichever is greater. Emissivity Setting 0.2 to 1.0 with spectral range 8 to 14µm. Power Supply: 6-28vDC @ 50mA max. Dimensions 18mm Diameter x 45mm Long., with M16 x 1mm pitch mounting thread, mounting nut included. Weight 85g. IP65 Rated. 2:1 Sensor to Object Ratio. Supplied with 5m cable.