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 MC120 pH monitor MC120 Price on request HI 98308 Water Purity Tester, 0.0 to 99.9mS/cm Price on request