pH/Temp waterproof tester pH56 Back Catalog number: PH56 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended 4090010101 DORP10 Portable ORP Meter(Color screen) 1.DORP10M 592,27 € EC59 EC/TDS/Temp waterproof tester EC59 Price on request MW500 ORP meter MW500 Price on request