pH electrode InLab Expert Pro Back Catalog number: 51343101 Availability: In the manufacturer's stock Price on request - + Recommended 18901189 DDJS-0.01VT ultra-low conductivity probe 151,13 € 52005382 pH Sensor InPro4260i/SG/225 Price on request 18901212 146.6μS/cm 500mL Conductivity Solution, one bottle 38,19 €