pH55 (pH/Temp waterproof tester Mi5560 Back Catalog number: MI5560 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MC122 pH controller MC122 Price on request MW803 pH/EC/TDS/Temp tester MW803 Price on request C65 Waterproof conductivity tester, 0 to 1999 μS/cm Price on request