Detailed Product Description SG-681 Digital temperature indicator,temperature controller, Digital temperature controllerInput: K,J,PT100, Output: SSR, Reley Input signalThermocouple:KJThermal resistance:Pt100Accuracy ±1.0 % F.S±1 wordWork power AC110V/220V 50/60HzOut dimensionwidth×height×depth 96 X 96 X 100mm Install dimension 92+1 X 92+1 mmOrder number NO.28