pH55 (pH/Temp waterproof tester Mi5560 Back Catalog number: MI5560 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MI805 Portable meter pH/EC/TDS/Temp Mi805 Price on request CTS-21102 APCI Capillary Electrode, API 4000, API 5000, 4500 Price on request MW301 Conductivity meter MW301 Price on request