Digital Hydrogen Meter, High Accuracy Pen Type H2 Meter Water Quality Tester with ATC, LCD PH TDS Salt PPM Temp Tester Meter for Drinking Water Hydroponics Aquariums Swimming Pool

High Quality Materials: Made of high quality ABS material, the hydrogen measuring pen is sturdy, and not easily damaged. Detachable Probe Design: With a detachable probe design, the hydrogen measuring pen is easy to use and simple to operate. High Sensitivity: Adopting sophisticated production technology, the hydrogen measuring pen probe has high sensitivity and excellent performance. Backlit LCD Design: The hydrogen test pen adopts a backlit LCD design, which can read clearly in any dark environment. Scope of Application: Suitable for swimming pool experiments, hydroponic food, aquariums, gardening, laboratories, water purification drinking water, pond, etc.