Handy and light digital pH tester
Pen type digital pH tester pH-02 is a new portable ph meter with 0.1 pH resolution and 2 points automatic calibration.
- 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
1.Remove the protective cap.
2.First rinse the electrode with distilled water,and suck it with filter paper.
3.Turn the meter on by Pressing the ON/OFF key.
4.Immerse the pH meter electrode in the solution to be tested.
5.Stir gently and wait for the reading to stabilize.
6.After finished,clear the electrode with pure water,turn the meter off by pressing the "ON/OFF" key.
7.Always replace the protective cap after use.
1.Turn on pH meter
2.Immerse the electrode in pH 6.86 standard buffer solution
3.Press the "CAL" button.Wait until the display digital is 6.86pH.Then compelete pH6.86 calibration.
4.Clean the electrode with distilled water and dry it with filter paper.Immerse the electrode in pH 4.00 standard buffer solution.
5.Press"CAL"button.Wait until the digital is 4.00pH.Complete the pH 4.00 point calibration.
6.Clean electrode and dry it,put pH meter into pH9.18 standard buffer solution.Check if reading is correct between 9.17-9.19pH.
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