pH/ORP/Temp waterproof tester, -2.00 to 16.00 pH Back Catalog number: PH58 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended CD610 TDS tester with ATC, range: 0 - 10000 ppm Price on request EC59 EC/TDS/Temp waterproof tester EC59 Price on request MW801 Smart pH/EC/TDS combined meter MW801 Price on request