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 CTS-21212 TIS Capillary Electrode, API 2000, QTRAP Price on request MC122 pH controller MC122 Price on request PH600 pH tester with 1 point calibration, ±0.2 pH accura Price on request