pH Meter and TDS Meter- Full measurement range of pH 0 - 14, reliable and quick readings TDS Measurement Range: 0-9990ppm Accuracy: A 2% Resolution: 1ppmFactory calibrated Automatic Temperature compensation Voltage: 3V Quick Water Tester- TDS (Total dissolved solids) digital water tester can accurately and quickly check the heavy metal content, soluble salt content, ionic organic matter, etc in water, displayed on the screen in ppm (parts per million) extremely accurate and reliable, quick response within 3 seconds Accurate and Reliable- To achieve high accuracy, TDS meter equipped with premium quality titanium alloy probe, pH tester has a sensitive electrode sensor ,simply press ON, It only takes a few seconds for your result to appear on screen to read accurate pH levels ultifunctional and Upgraded- Professional TDS, pH Pen Upgraded with big LcD for easier reading, and hold-lock function for easier use Just turn TDS meter on and stir water gently, then stabilized readings will be hold-locked on LcD in seconds, and the tds ppm meter will shut off automatically if without operation over 5 minutes How to use calibration- Press cAL for 5 seconds to enter the calibration mode, press in turn to select the powders corresponding to 686, 401, and 918 to complete the calibration pH meter has been calibrated before delivery, the buyer does not need to re-calibrate after receiving the goods, In the following cases, the pH meter must be re-calibrated: Has been used for a long time after calibration Special electrode use Frequently The measurement accuracy requirements are relatively high
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Item# : A122883768
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