Combined pH electrode MA920B/1 Back Catalog number: MA920B/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended 18901192 PH4.00 250mL 4.00pH, one bottle 320,00 Kč 18901214 12.85mS/cm 500mL Conductivity Solution, one bottle 940,00 Kč 18901194 PH9.18 250mL 9.18pH, one bottle 320,00 Kč