pH Sensor InPro4260i/SG/225 Back Catalog number: 52005382 Availability: In the manufacturer's stock Price on request - + Recommended MA811/2 Conductivity/TDS probe with 2meter cable (MC410). Price on request MA911B/2 Double junction pH electrode MA911B/2 Price on request 52002987 pH Sensor InPro4260/120/PT1000 Price on request