EC/TDS/Temp waterproof tester EC59 Back Catalog number: EC59 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended HI 98308 Water Purity Tester, 0.0 to 99.9mS/cm Price on request MC310 Conductivity monitor MC310 Price on request CD610 TDS tester with ATC, range: 0 - 10000 ppm Price on request