pH/Temp waterproof tester, -2.0 to 16.0 pH Back Catalog number: PH55 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended 4090010104 DDOPRO10 Portable DO Meter(Optical/Color screen) 1 31 400,00 Kč 4090010207 DPD100 Benchtop pH/DO Meter (Polarographic Type) 24 170,00 Kč CD600 TDS tester with ATC, range: 0 - 1990 ppm Price on request