... .Features: High accuracy and easy operation. Self diagnoses sensor abnormal and overstep scale prompts function. Various input types ... Thermo-resistance: Pt100, Cu50;Linear signal: 0~20mv,0~60mv,0~100mv,0~500mv,0~5V,1~5V,0~10V,0-10mA,4-20mA etc.Control modePID ; P, P+D ... set)Main outputRelay contacts 250V/3A (Resistive Load) ; SSR 8~12V ; 4~20mAAlarm channels2 channels alarm outputAlarm typesno alarm; ...