E+H CPS31D-7AS21 Digital pH sensor Endress + Hauser CPS31D-7AS21 © E+H Memosens CPS31D Digital pH sensor – Memosens CPS31D-7AS21 Version 7: Basic version Application Range AS: 1-12pH; 0-80oC; 1 diaphragm; salt store Shaft Length 2: 120 mm Approval 1: Non-hazardous area More productsE+H CPS31-1AC2ESA Ceratex CPS31E+H CPS11-1AS4ESCE+H CPS11-1AA2ESA