Operation:
1. Remove the protective cap.
2. First clean the electrode with distilled water,and suck it with filter paper.
3. Turn on pH by “ON-OFF”switch located on the top of battery case.
4. Immerse the PH meter electrode in solution,Stir gently and wait for the reading to stabilize.
5. After use,Switch off it,Use the distilled water clean the electrode and replace the protective cap.
Important:
The instrument's PH range must be recalibrated whenever:
* The electrode has been used (laid) for long time from the last calibration.
* The electrode has been use din particularly taxing conditions.
* The utmost accuracy is required.
