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 Cultures (Doe

General Description The TDS-3 Meter is a portable digital tester designed to measure drinking water quality. It allows you to test water purity with a measuring range of 0 to 9990 ppm, while also displaying the temperature. This device is ideal for home use, as well as in environments such as laboratories, swimming pools, and aquaculture. Technical Specifications Test Range: 0-9990 ppm Accuracy: ± 2% Temperature Accuracy: ± 0.1°C Net Weight: 50 g Size: 156 × 30 × 20 mm Power Supply: 2 x 1.5V button cell batteries Operating Temperature Range: 0 to 50°C Compatibility and Accessories Use in water purifiers and filters Monitoring the quality of food (vegetables, fruits) and beverages Suitable for swimming pools, spas, aquariums, and hydroponics Package Contents: 1 × TDS Meter, 1 x Leather Case, 1 x Manual (Chinese and English) Operation To use the TDS-3 Meter, simply immerse the probe in the water to be tested. The device instantly displays the water purity measurement. By pressing the "TEMP" button, you can switch between Fahrenheit and Celsius units. The Hold function allows you to save measurements for easy reading. Other information: The screen displays only three digits. When measured results exceed 999 ppm, the display shows "xxx * 10" (for example, "2000" will be displayed as "200 * 10"). For a manual in French, please contact the seller.