pH Sensor InPro4800i/SG/225 Back Catalog number: 52005384 Availability: In the manufacturer's stock Price on request - + Recommended MA924B/1 Glass ORP electrode MA924B/1 Price on request MA918B/1 Comb glass pH electrode 3 dia, DJ,refill, BNC, 1m Price on request 6210129 CSKC50M Reagecon 50,000 µS/cm Conductivity Standard, 500ml Price on request