Battery Replacement - PeakTech 5305 A Bedienungsanleitung

complete.
Clean the electrode.
7.
Immerse the electrode in the standard buffer solution pH 9.18
8.
and stir gently until the display value is stable. If the measured
value is within the acceptable error range, the calibration is
complete. If not, repeat steps 4 and 6.
Note: For an even more precise calibration, fill the respective buffer
solution into two different beakers. One is only used to clean the
electrode and the other is only used for calibration. This allows the
contamination by foreign matter to be reduced to a minimum.
Note: Perform a calibration if:
the electrode has been replaced.

no calibration has been carried out for a long time.

the device has been used often and for a long time.

a particularly high measurement accuracy is required.


5. Battery replacement

The PeakTech 5305 A is a battery operated measuring device. After
a certain period of use of the device, it may happen that the capacity
of the batteries is used up and new batteries have to be inserted. This
becomes visible when the display gets darker or looks a little blurry.
To change the batteries, make sure that the device is switched off.
Remove the upper screw cap of the device and remove the batteries
from the battery compartment. Now insert the new batteries of the
appropriate polarity (which is shown in the housing) into the battery
compartment. Make sure to use the correct batteries that the
measuring device requires (4 x 1.5V AG13 button cells).
After changing the battery, put the screw cap on the device and screw
it back on.
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