pH Sensor InPro4260i/SG/225 Back Catalog number: 52005382 Availability: In the manufacturer's stock Price on request - + Recommended MI59P EC/TDS/Temp probe for EC59 and EC60 Price on request 18901212 146.6μS/cm 500mL Conductivity Solution, one bottle 38,19 € 18901204 PH1.68 500mL 1.68pH, one bottle 34,94 €