pH/Temp waterproof tester, -2.0 to 16.0 pH Back Catalog number: PH55 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended MI160 pH/ORP/ISE/Temp combined logging bench meter Mi16 Price on request CD610 TDS tester with ATC, range: 0 - 10000 ppm Price on request MC125 pH/ORP controller MC125 Price on request