Ph Meter 7 in 1

[7 in 1 Tester] :This high quality smart monitor combines 7 essential functions to accurately measure PH, TDS, TEMP, EC, Salinity, SG, ORP. 7 in 1 ph meter Simply immerse the pH meter electrode into the solution to be tested, and the pH value will be quickly displayed on the large LCD display screen. Press the {HOLD/TEMP} button to lock the measured value and long press {HOLD/TEMP} to switch temperature units