User Guidelines
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User Guide
PH-Meter
Important:
The instrument's pH range must be re-calibrated when-ever:
The electrode has been used (laid) for long time from the last calibration.
The electrode has been used in particularly taxing conditions.
The utmost accuracy is re-quired.
Or when replacing the electrode with a new electrode-
Electrode Replacement:
1. Remove the protective cap.
2. Unscrew the plastic ring on the top of the electrode.
3. Pull out the pH electrode and replace it with a new one, make sure the
gaskets are in place before screwing back the ring.
Battery Install:
If the meter cannot be switched on or the display fades, then it is time to
change the batteries. Unscrew the battery compartment cap on the top of the
meter, and pull out the battery case and re-place batteries. Pay attention to
the polarity of battery.
Warranty:
These instruments are warranted from all defects in material and
manufacturing, for a period of one year from the date of purchase.
If during this period, a repair or the replacement of parts is required, where
the damage is not due to negligence or incorrect operation by user, please
return the parts to your dealer, and the repair or replacement will be done
free of charge.
Specifications for PHM-100:
