pH/Temp waterproof tester, -2.0 to 16.0 pH Back Catalog number: PH55 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended MC120 pH monitor MC120 Price on request MI806 Portable meter pH/EC/TDS/Temp Mi806 Price on request MW101 Portable pH meter, 0.00 to 14.00pH, 2point cal. Price on request