User's Guide

Chapter 3. Using Your APS3
3.24
Using the Rechargeable Battery
The APS device operates from an internal rechargeable battery. From a full charge, the battery
provides about four hours of continuous use. Before using your APS device for the first time,
charge it for two hours.
The battery can be recharged about 400 times before the charge life starts to degrade
significantly. The battery is not user replaceable. For information on replacing the battery, see
“Annual Factory Calibration and Battery Replacement,” on page 5.3.
Battery performance degrades at temperatures outside the temperature range: 15 °C - 45 °C.
Monitoring the Battery Level
ParticleSpectrum receives frequent updates from the APS device on the status of the APS
device’s battery. The Battery indicator in the APS device status bar of the ParticleSpectrum
window shows the approximate percentage of operating time remaining before you must
charge the battery.
Figure 3.24: Battery Monitor
Charging the Battery
To charge the APS device’s battery:
1. Use only the battery charger supplied with your APS device. Using a different battery
charger might damage your APS device or create a safety hazard.
2. Do not charge the APS device if the temperature is higher than 45°C. Charging the APS
device at a temperature higher than 45 °C might damage the APS2 device housing or
create a safety hazard.
3. Place the APS device in the charging case (see “Opening and Closing the Charging Case,”
on page 3.2). Close the lid.
Battery status