Double junction pH electrode MA911B/2 Back Catalog number: MA911B/2 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended 18901212 146.6μS/cm 500mL Conductivity Solution, one bottle 37,41 € MA9305 Pack of 100 x 1.4V batteries. Price on request 18901192 PH4.00 250mL 4.00pH, one bottle 12,74 €