KANOMAX 3522 Piezobalace Dust Monitor - Manual (Page 8)

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2. Battery Indicator
Remaining battery life is displayed when the instrument is powered on.
The battery indicator changes as shown below:
¾ The battery indicator flashes when the battery voltage drops below 9.3V. The AC/DC adapter
must be connected immediately to continue measuring.
¾ If the adapter is not connected, the instrument will power off automatically.
Full Half
Requires
recharge
Battery indicator
flashes
Automatic
power off