pH/Temp waterproof tester pH56 Back Catalog number: PH56 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MI150-E pH/Temp combined bench meter Mi150-E Price on request MW500 ORP meter MW500 Price on request CD610 TDS tester with ATC, range: 0 - 10000 ppm Price on request