pH/Temp waterproof tester pH56 Back Catalog number: PH56 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MW801 Smart pH/EC/TDS combined meter MW801 Price on request MI306 Automatic combined EC/TDS/NaCl/Temp meter Mi306 Price on request CTS-21102 APCI Capillary Electrode, API 4000, API 5000, 4500 Price on request