pH Sensor InPro4800i/SG/225 Back Catalog number: 52005384 Availability: In the manufacturer's stock Price on request - + Recommended 52005382 pH Sensor InPro4260i/SG/225 Price on request MA916B/3 Combined glass pH electrode, refill, BNC, 3m Price on request MI59P EC/TDS/Temp probe for EC59 and EC60 Price on request