PH-2011 Pen Type pH Meter, Water Basec Paint Material pH Value Testing

PH2011 Portable digital pen type PH meter, water basec paint material ph value testing

1. Digital pH meter
2. Backlit LCD display,Large screen
3. Can be used in darkness.
4. Automatic compensation, high precision
5. Easy to use with high stability, convenient to carry without frequent adjustment.
6. Various colors available to choose
7.This type have the accuracy of ±0.05PH,the price need to Negotiable
Pen type ph meter
Range: 0.00~14.00PH
Resolution: 0.01PH
Accuracy:+/-0.1PH Or ±0.05PH
Battery: 4x1.5V(AG-13)
Temperature Compensation: 0C~50C
Operating Temperature:  0C~50C

Dimensions: 151mmx33mmx20mm
Weight: 53g

Operation
1.Remove the protective cap.
2.First rinse the electrode with distilled water, and suck it with filter-paper.
3.Turn on meter by 'ON-OFF' switch located on the top of battery case.
4.Immerse the pH meter electrode in the solution to be tested.
5.Stir gently and wait unit the display tabilizes.
6.After use, rinse the electrode with water to minimize contamination. Switch off meter.

PH Calibration
1.Immerse the electrode in pH 6.86(pH7.00) standard buffer solution of phosphate, and
gently shake it.
2.Allow the reading to stabilize and with a small screwdriver turn the calibration trimmer
until the display shows "6.86"("7.00"). Rinse the electrode with distilled water, and suck it
with filter-paper.
3.Immerse the electrode in pH4.01 or pH9.18(pH10.0) the standard buffer solution of borax.
4.After about one minute, until the display shows "4.01"or "9.18"("10.0").