EC/TDS/Temp waterproof tester EC59 Back Catalog number: EC59 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MW401 TDS meter MW401 Price on request MW803 pH/EC/TDS/Temp tester MW803 Price on request MW101 Portable pH meter, 0.00 to 14.00pH, 2point cal. Price on request