pH Sensor InPro4260i/SG/225 Back Catalog number: 52005382 Availability: In the manufacturer's stock Price on request - + Recommended MA913B/3 Combined Epoxy pH electrode MA913B/3 Price on request 52002987 pH Sensor InPro4260/120/PT1000 Price on request 2814-3ROLL CHEMSOLUTE Universal pH-indicator paper, pH 1-14, 5m x 7mm, Refill pack with 3 rolls Price on request