pH Sensor InPro4800i/SG/225 Back Catalog number: 52005384 Availability: In the manufacturer's stock Price on request - + Recommended MA814DB/1 EC/TDS/Temp probe for Mi170 Price on request MA917B/1 Comb glass pH electrode, DJ, refill, BNC, 1m Price on request MI59P EC/TDS/Temp probe for EC59 and EC60 Price on request