E+H CPM253-IS1010 Liquisys M CPM253 Endress + Hauser CPM253-IS1010 © E+H Liquisys CPM253 pH/ORP transmitter Liquisys M CPM253 Sensor Input; Software IS: pH (glass/ISFET) / ORP; plus package Power Supply 1: 115VAC Output 0: 1x 0/4…20mA, primary value Additional Contact 10: 2x relay (limit/P(ID)/timer) More productsE+H COM253-DX0525 Liquisys ME+H CPM223-MR0010 Liquisys M CPM223E+H COM253-DX0105 Liquisys M