Vedeliku pH mõõtja, suur ekraan, eraldiseisev sond

This new PH meter measures the pH value of aqueous liquids using a detachable sensor for fast and accurate evaluation of the measurement results with the galvanic potential difference between acidic, neutral and basic liquids in contact with the immersion

http://www.peaktech.de/productdetail/kategorie/ph-tester/produkt/peaktech-5310.html