pH/Temp waterproof tester pH56 Back Catalog number: PH56 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended 4090010103 DDO10 Portable DO Meter (Polarographic Type/Color 671,18 € HI2002-02 EDGE pH/ORP metr Price on request 4090010105 DPC10 Portable pH/Cond Meter(Color screen) 1.DPC10 636,11 €