optris ® CT is a precise non-contact temperature measurement device that can measure temperatures from -40 to 900°C. It is one of the smallest infrared sensors in the world with 20:1 optical resolution, rugged and usable up to 180°C ambient temperature without cooling, separate electronics with easy accessible programming keys and LCD backlit display, optional analog output: 0/4-20 mA, 0-10 V, K or J type thermocouple, optional USB, RS485, RS232 interface or two optically isolated relay outputs, installation of up to 32 sensing heads.