Portable Digital LCD TDS-3 Drinking Water Meter, Water Quality Tester Pen with Temperature and PPM Measurement, Water Purity Tester 0-9990 PPM, Suitable for Drinking Water and Hydroponic Cultivation (

General Description: The TDS-3 meter is a portable digital tester designed to measure drinking water quality. It allows you to test water purity by displaying results in PPM (parts per million) and the water temperature. This device is ideal for home use, as well as in environments such as laboratories, aquariums, swimming pools, and hydroponics. Technical Specifications: Test Range: 0-9990 PPM; Accuracy: ±2%; Operating Temperature Range: 0-50°C; Temperature Accuracy: ±0.1°C; Dimensions: 156 × 30 × 20 mm; Net Weight: 50 g; Battery: 1.5V * 2 (button cell batteries). Compatibility and Accessories: Use in water purifiers and filters; Suitable for water quality testing in food (vegetables, fruits). Included: 1 × TDS meter, 1 × Leather case, 1 × Manual (in Chinese and English). Operation: To use the TDS-3 meter, simply immerse the probe in the water to be tested. The device will display the TDS concentration in PPM. It is also possible to measure the water temperature by pressing the "TEMP" button, allowing you to switch between Fahrenheit and Celsius. Other information: Hold function: saves measurements for easier reading; Auto function: turns off the meter after 10 minutes of inactivity to save battery; Display: results above 999 PPM will be displayed as "xxx * 10"