pH/Temp waterproof tester, -2.0 to 16.0 pH Back Catalog number: PH55 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended CTS-21102 APCI Capillary Electrode, API 4000, API 5000, 4500 Price on request MW802 Smart pH/EC/TDS combined meter MW802 Price on request MI105 Portable meter Mi105 Price on request