This is a digital TDS meter tester. For testing the filter water quality purity, check the performance of your water filter, check for hardness (1grain=17ppm), make sure you always drink pure water. Features: 100 percent brand new and high quality.
Taking TDS Measurements 1. Remove the protective cap. 2. Turn the TDS meter on. The ON/OFF switch is located on the panel. 3. Immerse the meter into the water/solution up to the max. immersion level (2"). 4. Lightly stir the meter to dislodge any air bubbles. 5. Wait until the display stabilizes. Once the reading stabilizes (approx. 10 seconds), press the HOLD button to view the reading out of the water. 6. If the meter displays a flashing 'x10' symbol, multiply the reading by 10. 7. After usage, shake off any excess water from your meter. Replace the cap.
This item can be used in water purifiers and filters, food (vegetable, fruits) drink quality monitoring, pools and spas, aquariums, hydroponics. Hold Function: Saves measurements for convenient reading and recording. Auto-off Function: Turns off meter after 10 minutes of non-use to conserve batteries. Dual Range: Measures form 0-999ppm, with a resolution of 1ppm. From 1,000 to 9,990ppm, the resolution is 10ppm, indicated by drinking x 10 image, factory calibrated. Range: 0-9990ppm. Accuracy: +/-2 percent. Battery: 2 x 1.5V button cell battery (included).
Precautions: Do not drop the entire TDS meter in water of dip beyond the maximum immersion level. This unit is not water-tight and is not covered under the warranty if water enters the unit. Item size:155 millimeter x 28 millimeter x 15 millimeter. Weight: 68 gram. Package Included: 1 TDS meter tester. 2 1.5V button cell battery. 1 user manual. 1 original leather case.