pH/Temp waterproof tester, -2.0 to 16.0 pH Back Catalog number: PH55 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended PH58 pH/ORP/Temp waterproof tester, -2.00 to 16.00 pH Price on request MW804 pH/EC/TDS/Temp tester MW804 Price on request MW100 pH meter MW100 Price on request