ToxiRAE Pro User’s Guide5118. MaintenanceWARNING!Maintenance should be performed only by a qualified person who has propertraining 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 circuitboard should go into the matching slots in the battery.WARNINGTo reduce the risk of ignition of hazardous atmospheres, replace the battery only inareas known to be non-hazardous.18.1. Replacing the ToxiRAE Pro Li-Ion BatteryCaution: Turn off the ToxiRAE Pro before removing or replacing the battery.1. If the rubber boot is on the ToxiRAE Pro, 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 notuse tools, which could damage the sensor module.4. Place the ToxiRAE Pro face-down on a soft surface.
