MAINTENANCE
7-1
7. MAINTENANCE
The major maintenance items of the MiniRAE 2000 are:
• Battery pack
• Sensor module
• PID lamp
• Sampling pump
• Inlet connectors and filters
Note: Maintenance should be performed by qualified
personnel only.
NOTE: The printed circuit board of the monitor 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 monitor.
Severe damage to the printed circuit board or
battery may occur if the battery pack is not
disconnected before servicing the unit.
7.1 Battery Charging and Replacement
When the display shows a flashing message “Bat”, the
battery requires recharging (see Section 3.1 for Battery
charging). It is recommended to recharge the MiniRAE
2000 monitor upon returning from fieldwork. A fully
charged battery runs a MiniRAE 2000 monitor for 10
hours continuously. The charging time is less than 10
hours for a fully discharged battery. The built-in charging
circuit is controlled by the micro-controller to prevent
over-charging. The battery may be replaced in the field (in
area known to be non-hazardous) if required.
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