pH/Temp waterproof tester, -2.0 to 16.0 pH Back Catalog number: PH55 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended MI170 Comb. Log. GLP EC/TDS/NaCl/Temp bench meter Mi170 Price on request MC120 pH monitor MC120 Price on request MC110 pH monitor MC110 Price on request