pH55 (pH/Temp waterproof tester Mi5559 Back Catalog number: MI5559 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended 4090010203 DPH100T Benchtop pH Meter (Touch screen) 1.DPH100 736,15 € 4090010005 DORP1 Pocket ORP Tester 1.DORP1Meter (battery pre 158,23 € MW301 Conductivity meter MW301 Price on request