3 In1 Digital LCD TDS EC Meter Temperature Tester Conductivity Water Filter Purity Pen Liquid Quality Tools with backlight Accurate and Reliable For Hydroponics, Ro System, Pool, Aquarium, Spa

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About 3 In1 Digital LCD TDS EC Meter Temperature Tester

Features Power supply voltage: CR2032( button cell) DC3V; 230mAh. (included) Test range: TDS: 0-9999ppm Accuracy: +/-%2 F.S Temperature measurement range: 0-99°C(Fahrenheit 32-212°F). accuracy: ±0.1°C Use environment: 0-50°C Maximum relative temperature is 95% Size: 16.2*2.9*1.5cm. Instructions for use 1, take the pen and open the ON / OFF switch. 2, the pen into the solution to be measured, the solution height can not exceed 4cm (from the beginning of the pen). 3, the pen gently in the test solution to stir a few times, such as reading stability. The measured value of the TDS is greatly influenced by the temperature, so the temperature compensation is used to correct the reading. The data shows the stability of the lock automatically after the lock. To manually lock, press the HOLD key. To re-test, press CLEAR key to clear, and then re-test. Press the MODE key to achieve the test function selection, in turn select: ppm, conductivity us / cm value, Celsius temperature ℃, Fahrenheit temperature ℉. 4, after use, with a cloth to dry the pen part of the water, the pen sets back. 5, press the ON / OFF button 3S, can be manually shut down. Packaging include 1 x TDS-EC Meter 1 x Leather carrying case 1 x English User's manual Note 1.Keep the electrode clean. 2.Do not drop the entire TDS meter in water or dip beyond the maximum immersion level. 3.Do not store the TDS meter under high temperature or direct sunlight, 4.Please avoid the collisions, weight or fall.