10 in 1 Water Quality Tester, Pool Multi-Function Test Pen, Professional PH, PH/TDS/Salt/SG/ORP/EC/Hydrogen/Resistivity/Temp/Nutrient, for Aquarium, Pools,Hydroponics, Lab, and Drinking Water

pH: 0-14 TDS: 1-9990ppm EC: 1-19990μm/cm Salinity: 0-25%, to protect human health. OPR: -1000MV ~ +1000MV. This can reflect the situation of the aquatic system. H2: 0-10000PPb, hydrogen water can to some extent delay the oxidation process, and regular consumption of hydrogen-rich water can delay aging. S.G: 1.000-1.222 (Specific Gravity of seawater) Temperature: 0-60℃/32.0-140°F; can switch freely between Celsius and Fahrenheit. Resistivity: 50Ω-20MΩ, which indicates the purity of water.

• 【Highly Accurate with Effective ATC】More precise accuracy design and larger testing range than other products to ensure your drinking water is healthy, built with stainless steel temperature sensor, and pH meter has an effective temperature compensation (ATC) function, which ensures the rapid response and accurate test results.
• 【10 in 1 Function】Digital water tester for measuring PH, TDS, SALT, SG, ORP, EC, Hydrogen, Resistivity, Temperature and Nutrient.
• 【Instant and Simple Operation】Just switch on the power button and press the Mode/Calibration to select the mode, Immerse the Electrode in the measured liquid. (Can not be over the max immersion line), wait for 6-10 seconds and then press the Hold button to make the reading stabilized.
• 【Smart Design】Equipped with rust resistant probe and clear LCD display with backlight, easy to read and record. Small size and light weight, easy to carry and store. The automatic shutdown function automatically turns off the power after 5 minutes without any operation to save power. It adopts a backlit high-definition Large display screen to display 4-digit values ​​and the corresponding physical quantity units.
• 【Application】Widely used in drinking water, swimming pool, fish tank, aquarium.