pH Sensor InPro4800i/SG/225 Back Catalog number: 52005384 Availability: In the manufacturer's stock Price on request - + Recommended 6210129 CSKC50M Reagecon 50,000 µS/cm Conductivity Standard, 500ml Price on request 18901192 PH4.00 250mL 4.00pH, one bottle 320,00 Kč 18901189 DDJS-0.01VT ultra-low conductivity probe 3 720,00 Kč