pH/Temp waterproof tester pH56 Back Catalog number: PH56 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MC125 pH/ORP controller MC125 Price on request C65 Waterproof conductivity tester, 0 to 1999 μS/cm Price on request CTS-21102 APCI Capillary Electrode, API 4000, API 5000, 4500 Price on request