in 1 Digital Multifunctional Tester TDS EC and Temperature Meter with Large Digital LCD Display Monitor Drinking Water Quality, Hydroponics and More(Cannot Test pH)

General description This multifunctional digital tester measures water TDS value, electrical conductivity (EC), and temperature, making it ideal for assessing drinking water quality, hydroponics, swimming pools, and aquariums. Please note that this product cannot test pH levels. Technical specifications Net Weight: 51g TDS Range: 0-9990 ppm Conductivity Range: 0-9990 µS/cm Temperature Range: 32-176 °F (0-80 °C) Accuracy: ± 2 °C Size: 152 × 28 × 9 mm Installation Before use, unplug the electrode protectors sleeve. Usage Press the switch to turn on the device. Place the electrode into the test solution. Wait for the reading to stabilize, then press the HOLD button to take it out of the solution and read the measurement. After reading, turn off the meter. Wipe the electrode before covering it. To switch between TDS and conductivity, press the SHIFT button. To convert between Celsius and Fahrenheit, press the SHIFT button twice. Other information Automatic shutdown after 5 minutes of inactivity for energy saving. Avoid exposing the device to heat and direct light. Do not immerse the instrument in the test solution to prevent short circuits. Keep the battery clean and remove it if the device will not be used for an extended period. The manual is available in Chinese and English; contact for a French version if needed.