... specification available 2.high accuracy 3.85~265VAC 4.PID auto-tune TREX-C100 temperature controller1. ... signal etc.. Various alarm mode combination. Input/output are separated from each other. PID automatic regulation ... ~500mv,0~5V,1~5V,0~10V,0-10mA,4-20mA etc.Control modePID ; P, P+D, P+ ... /3A (Resistive Load) ; SSR 8~12V ; 4~20mAAlarm channels2 channels alarm outputAlarm typesno alarm; lower deviation ...