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 MW302 Conductivity meter MW302 Price on request HI9126 Přenosný pH/ORP metr Hanna Instruments Price on request