dosemeter User Manual
Page 49
Changing the Reader Batteries
The dosemeter Reader unit shows the battery level in the top right hand corner of the
display as shown below. The figure on the left below shows a full battery level and the
figure on the right shows the battery level at 10% of the full capacity.
The batteries for the MODEL
22R Reader unit are located
under the black cover on the
back of the instrument. Before
changing the main batteries,
ensure that the Reader is
switched off.
The memory of the Reader unit is protected when the batteries are removed. The clock
of the Reader will be reset after 15 minutes when the batteries are removed.
Locate the battery compartment cover and
remove it from the instrument.
Remove the batteries from the Reader unit and
replace with batteries of equivalent type and
quality.
The battery should be of alkaline type AA (LR6
/ AM3 / MN1500 / Mignon).
Ensure that the polarity of the batteries is
correct. Replace the battery cover and switch
the Reader unit on.
Additional information regarding the calibration of the dosemeter is provided
in Appendix 3 dosemeter Calibration on page 63.
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