Portable TDS Meter, Pen type TDS meter, TDS-003

Features Hold function: Saves measurements for convenient for reading and recording. Auto-off function Turns off meter after 10 minutes of non-use to conserve batteries. Dual Range Measures from 0-999ppm, with a resolution of 1ppm. From 1000 to 9,990ppm, the resolution is 10ppm, indicated by drinking x 10symbol, factory calibrated. 1. Measuring Range: 0-9,990ppm, 2. Accuracy: 2%(FS) 3. Battery: 2 x 1.5V(Button Cell) 4. Operation Temp: 0-80℃ 5. Net Weight: 76g(1.13oz) 6. Overall dimensions: 155x31x23cm(6.1x1.2x0.9inch). Operation Instruction 1. Before use, pls remove the protective cap. 2. Press the ON/OFF key, turn the TDS meter ON. 3. Immerse the meter into the water/solution up to the maximum immersion level. 4. Wait until the display stabilizes, once the readout is stabilized( 10-30 seconds), press the HOLD key to save readings. The TDS meter automatically compensates for the temperature variations. 5. After usage, shake off water from your meter or wipe it with a tissue. 6. If don't use meter for long term, pls remove the battery. Three Years Limited Warranty This product is warranted to the purchaser again material and workmanship for three years from the date of purchase. What is covered Parts and labor, or replacement at the company's option. Transportation charges to the purchaser. What is not covered Transportation charges to the company. Damages from abuse or improper maintenance( see operating instructions and precaution). Any other consequential damages, incidental damage, or incidental expenses, including damages to property. Some states do not allow exclusive or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you.