Catalog > Internet of Things (IOT) Related Products > More Platforms Pen Type Digital PH Meter with LCD Digital PH Meter LCD Pen Type DGM PEN TYPE PH METER WITH LCD PEN TYPE DIGITAL PH METER WITH LCD FOR AQUARIUM, POOL, WATER WINE AND URINE. SUPPLIED WITH 2 PACKETS OF CALIBRATION POWDER. PH 4 AND PH 6.86 Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features MODEL pH-02 Range 0.0~14.0PH Resolution 0.01 pH Accuracy ±0.01pH(@20°C) Calibration 2 points, automatic calibration Power 2×1.5v alkaline Auto Shut-off Approx. 8 minutes Dimensions 155×31×18mm Weight 50g Operation Remove the protective cap First rinse the electrode with distilled water,and suck it with filter paper. Turn the meter on by Pressing the ON/OFF key. Immerse the pH meter electrode in the solution to be tested. Stir gently and wait for the reading to stabilize. After finished,clear the electrode with pure water,turn the meter off by pressing the "ON/OFF" key. Always replace the protective cap after use. Calibration Turn on pH meter Immerse the electrode in pH 6.86 standard buffer solution Press the "CAL" button.Wait until the display digital is 6.86pH.Then compelete pH6.86 calibration. Clean the electrode with distilled water and dry it with filter paper.Immerse the electrode in pH 4.00 standard buffer solution. Press"CAL"button.Wait until the digital is 4.00pH.Complete the pH 4.00 point calibration. Clean electrode and dry it,put pH meter into pH9.18 standard buffer solution.Check if reading is correct between 9.17-9.19pH. Downloads Datasheet - DGM PEN TYPE PH METER WITH LCD PDF File 157.82 KB