Water Purity Check Test Pen
- Highly efficient and accurate due to its advanced microprocessor technology
- Built-in Digital Thermometer, ppm meter
- Display: Large and Easy-to-read LCD Screen
- Long battery life cycle: 2pcs 1.5V batteries that can be used for more than 3 years, automatic power-off after 5 minutes to save the battery.
- Application: Widely used in swimming pools, drinking fountains, aquariums, hydroponics, TDS testing, water quality testing, ppm tester, solubility testing, and more.
- High accuracy: +/- 2% Readout Accuracy Testing, the titanium alloy probe has high test accuracy, which can avoid the interference of magnetic field in the water
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