pH Sensor InPro4260/120/PT1000 Back Catalog number: 52002987 Availability: In the manufacturer's stock Price on request - + Recommended MA905B/3 Combination pH electrode MA905B/3 Price on request MA812/2 Conductivity/TDS probe with 2meter cable(MC 310). Price on request MA915B/2 pH glass electrode for with 2meter cable. Price on request