pH Sensor InPro4260/120/PT1000 Back Catalog number: 52002987 Availability: In the manufacturer's stock Price on request - + Recommended 52002547 pH Sensor InPro3250/120/PT100 Price on request MA918B/1 Comb glass pH electrode 3 dia, DJ,refill, BNC, 1m Price on request SE520 Conductivity/TDS probe with 1meter cable SE520 Price on request