Type: ph meter Weight: 119g Unit size: 150*29*20mm Display size: 11*10mm Accuracy: 0.1 ph (20 ℃/68℉), 0.2 ph Measuring ph range: 0.0-14.0pH Operating Temperature: 0 ℃-50 ℃ (32℉-122℉) Power supply: AG 13,2 * 1.5V button battery (not included) Use the steps: 1. Please unplug the electrode cover before use 2. Press the switch to put the electrode into the test solution 3. When the number is stable, press the Hold button to remove it from the solution to read. 4. After reading, close the meter and wipe the cleaning electrode in front of the casing. Maintenance: Keep the electrode clean, cover the electrode protective sleeve, please remove the battery for a long time.
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