... type of economic secondary industrial automation controlling meter . TC input, RTD input , Relay/SSR output .This ... SSRwithoutPt100 , Cu100 , Cu50 , K type Tc , J type Tc, E type Tc, T type Tc0~999°C4:48W*48H ... S±3digitsAlarmRelay output :capacity 1A/250VACWorking ambient0~50°C 45-80%RH Total current< 20mA(220V AC ... )Store ambient-10~60°C,25-85%RHOutput typeRelay output: 3A/250V AC ...