Portable Foldable PH Test Pen Water Quality PH Test Pen High Precision Portable PH Detecting Instrument

Features:
Foldable design, easy to carry, not easy to damage, no loss of sensitivity.
Portable water quality analyzer, home use, hospital natatorium, water plant laboratory, aquaculture.
High definition display screen, quick and simple accurate measurement, large digital display more clearly.
The top adopts nice sealing process to prevent energy consumption in wet environment.
PH pen is glass electrode probe, heat and cold resistant, high sensitivity.
Automatic temperature compensation, heat and cold resistance, balance temperature.