Features: 1) Input style: A) Thermal resistance: Pt100, CU50 B) Thermocouple: J, K, E, S 2) Display precision: Superior to 0. 5 degree 3) Collect specimen: 3 second 4) Control method: Difference control - on/off 5) Output method: Relay output-on/off or controlable over zero spring Output 6) Working power: A) AC 90 - 242V 50HZ/60HZ B) Power consumption: Less than 4W 7) Can connect multi-way sensor 8) Applys to connect conveniently, diminish the volume of the insturments Volume and make more precise and more reliable control of whole machine Size: 80 x 160 x 130 Installation hole: 76 x 152