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CHAPTER
20
The major maintenance items of the instrument are:
Battery pack
l
PID sensor
l
PID lamp
l
Sampling pump
l
Inlet connectors and filters
l
Note: Maintenance should be performed by qualified personnel only.
Note: The printed circuit board of the instrument is connected to the battery pack even if the
power is turned off. Therefore, it is very important to disconnect the battery pack before
servicing or replacing any components inside the instrument. Severe damage to the printed
circuit board or battery may occur if the battery pack is not disconnected before servicing the
unit.
Battery charging & replacement
When the display shows a flashing empty battery icon, the battery requires recharging. It is
recommended to recharge the instrument upon returning from fieldwork. A fully charged
battery runs an instrument for 16 hours continuously. The charging time is less than 8 hours
for a fully discharged battery. The battery may be replaced in the field (in areas known to be
non-hazardous), if required.
To reduce the risk of ignition of hazardous atmospheres, recharge battery only in area
known to be non-hazardous. Remove and replace battery only in areas known to be
non-hazardous.
Handheld PID Monitors
MAINTENANCE
WARNING
104
User Manual
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