Portable Digital LCD TDS EC Water Quality Meter Tester Pen Filter Purity for Aquarium Pool Hydroponics Measuring Tool PH Meter

1. 100% Brand New and High Quality 2. Type : TDS & EC Test Pen 3. Material: ABS + Synthetic Leather 4. Size: 154×30×14mm 5. Color: White 6. Accuracy: ±2% 7. Shift between TDS and Conductivit 8. TDS: 0-9990ppm , Conductivity: 0—5000ppm 9. Degrees Celsius: 0.1-80.0C , Degrees Fahrenheit: 32.0-176.0F 10. This product requires a 3V CR2032 button battery (battery is included) 11. Saves measurements for convenient reading and recording New Arrival 12. Auto-off function: turns off meter after 5 minutes of non-use to conserve batteries 13. To test the filter water quality purity,to check the performance of your water filter, to check for hardness (1grain=17ppm)