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ToxiRAE Pro CO
2
User’s Guide
51
17. Maintenance
WARNING!
Maintenance should be performed only by a qualified person who has proper
training and fully understands the contents of this manual.
The following guidelines should be followed when changing the battery:
1.
Turn off the unit before changing the battery.
2.
When replacing the battery, take note of its orientation. The connectors on the circuit
board should go into the matching slots in the battery.
WARNING
To reduce the risk of ignition of hazardous atmospheres, replace the battery only in
areas known to be non-hazardous
.
17.1. Replacing the ToxiRAE Pro CO
2
Li-Ion Battery
Caution:
Turn off the ToxiRAE Pro CO
2
before removing or replacing the battery.
1.
If the rubber boot is on the ToxiRAE Pro CO
2
, remove it (refer to page 55 for
details).
2.
Remove the cap by unscrewing it.
3.
Remove the sensor module by gripping it with your fingers and pulling it out. Do not
use tools, which could damage the sensor module.
4.
Place the ToxiRAE Pro CO
2
face-down on a soft surface.