EC/TDS/Temp waterproof tester EC59 Back Catalog number: EC59 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended PH58 pH/ORP/Temp waterproof tester, -2.00 to 16.00 pH Price on request HI 98103 pH tester CHECKER Price on request MI60P Combination probe for pH/EC/TDS/Temp for MW803/MW8 Price on request