pH Sensor InPro4800i/SG/225 Back Catalog number: 52005384 Availability: In the manufacturer's stock Price on request - + Recommended 18901213 1408μS/cm 500mL Conductivity Solution, one bottle 38,19 € MA811/2 Conductivity/TDS probe with 2meter cable (MC410). Price on request MA905B/3 Combination pH electrode MA905B/3 Price on request