pH/Temp waterproof tester, -2.0 to 16.0 pH Back Catalog number: PH55 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended HI981032 pH Tester for Cheese Price on request MI805 Portable meter pH/EC/TDS/Temp Mi805 Price on request MI306 Automatic combined EC/TDS/NaCl/Temp meter Mi306 Price on request