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 MW802 Smart pH/EC/TDS combined meter MW802 Price on request PH600 pH tester with 1 point calibration, ±0.2 pH accura Price on request MW302 Conductivity meter MW302 Price on request