pH/Temp waterproof tester, -2.0 to 16.0 pH Back Catalog number: PH55 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended MW600 Dissolved oxygen meter MW600 Price on request MW102-FOOD µp-based ATC pH/Temp meter MW102-FOOD Price on request MC410 TDS monitor MC410 Price on request