pH55 (pH/Temp waterproof tester Mi5559 Back Catalog number: MI5559 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended 18901142 DORP1-S ORP sensor 52,94 € MI151 pH/ORP/Temp combined bench meter Mi151 Price on request MI806 Portable meter pH/EC/TDS/Temp Mi806 Price on request