pH Sensor InPro4260/120/PT1000 Back Catalog number: 52002987 Availability: In the manufacturer's stock Price on request - + Recommended 51343101 pH electrode InLab Expert Pro Price on request 18901197 PH1.68 250mL 1.68pH, one bottle 18,71 € 18901201 PH9.18 500mL 9.18pH, one bottle 19,90 €