pH/ORP/Temp waterproof tester, -2.00 to 16.00 pH Back Catalog number: PH58 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended MW402 TDS meter MW402 Price on request CD601 Conductivity tester with atc, 0 - 1990 µs/cm Price on request MW802 Smart pH/EC/TDS combined meter MW802 Price on request