EC/TDS/Temp waterproof tester EC59 Back Catalog number: EC59 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended CD97 TDS tester with ATC, range: 1 - 999 ppm Price on request PH56 pH/Temp waterproof tester pH56 Price on request HI9126 Přenosný pH/ORP metr Hanna Instruments Price on request