... OFF control , with PID auto-tuning function TC series PID economic temperature controller Intelligent digital temperature controller. ... Relay and SSR withoutK , J , R, S, B, T , E, S, N , PT100 , CU50, CU1000~999°C4:48W ... Power supply100-240 AC/DCAccuracy0.5%F.S±3digitsAlarmRelay output :capacity 1A/250VACWorking ambient0~50 ... output:24V voltage , 30mA load TC series PID economic temperature controller