dosemeter User Manual
Page 47
Section 6 Maintenance & Care
Annual Verification & Servicing
It is strongly recommended that all dosemeters and Readers are returned to
Pulsar Instruments or an authorised service centre at least every 12 months
for verification, calibration and servicing.
This should only be carried out by Pulsar Instruments plc or a service centre authorised
by Pulsar Instruments plc for the service and calibration of the dosemeter.
The date that the Reader and dosemeters are due for "recalibration" can be seen on the
print-out and in data transferred to the computer.
Cleaning
The dosemeter, Reader and Keyfob should only be cleaned with a damp,
lightly soaped cloth. No solvent-based cleaners should be used as they may
damage the dosemeter window or the case labels.
The dosemeter microphone grill must be protected against soiling as blocked grill holes
can deteriorate the performance of the unit. Attempting to remove dirt from these holes
with sharp implements can damage the sensitive membrane underneath.
The MODEL 22R Reader Unit should be cleaned with a damp cloth only. Ensure that the
Infrared port and the Acoustic Calibrator are free from damage and dirt. Do not insert
any sharp objects into the Acoustic Calibrator.
Storing the dosemeter
If the dosemeter is left unused for a period of time longer than a few days, it
is recommended that the dosemeter be fully charged. This will avoid any
potential damage to the internal batteries through unwanted discharge.
If the dosemeter is not used for 1 hour, it will go into Sleep mode to protect the internal
battery and to prolong the operating life. To use the dosemeter, the Shake-to-Wake
sensor must be activated. Please refer to page 22 for details.
If the dosemeter is left unused, the internal batteries must be left charged. When fully
charged and not used, the dosemeter battery will remain charged for at least 14 days.
If the unit is stored longer than this and the batteries are left to become totally
discharged, THEY WILL EVENTUALLY BE DAMAGED.
To ensure optimum operation, dosemeters that have not been used for one month
should be recharged.
To prevent damage please ensure that the dosemeters are recharged every 2
weeks (14 days).
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