pH/Temp waterproof tester, -2.0 to 16.0 pH Back Catalog number: PH55 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended TH310 Stick thermometer TH310 Price on request C65 Waterproof conductivity tester, 0 to 1999 μS/cm Price on request MW301 Conductivity meter MW301 Price on request