pH55 (pH/Temp waterproof tester Mi5560 Back Catalog number: MI5560 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended CD610 TDS tester with ATC, range: 0 - 10000 ppm Price on request MW402 TDS meter MW402 Price on request CD611 Conductivity tester with ATC, 0 - 20000 µS/cm Price on request