EC/TDS/Temp waterproof tester EC59 Back Catalog number: EC59 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended 4090010104 DDOPRO10 Portable DO Meter(Optical/Color screen) 1 1 250,15 € HI 98103 pH tester CHECKER Price on request HI9126 Přenosný pH/ORP metr Hanna Instruments Price on request