2-4 AEROTRAK™ Portable Airborne Particle Counter
Providing Power
These particle counters may be powered using rechargeable lithium-
ion batteries (from one to four) or through an AC power cord.
Notes:
• When using AC power, the battery (if installed) charges when
the instrument is on, while actively sampling (trickle
charging), and when the power is put in standby—charge
battery mode.
• Removing/changing the lithium-ion battery or disconnecting
AC power does not cause loss of data. The A
EROTRAK™
Airborne Particle Counter has an internal, non-user accessible
battery to maintain settings and save logged data.
• Note that the battery provided has a built-in indicator of
charge level. Push on the “Check” button to see the charge
level. If none of the LEDs lights up, the battery is not charged.
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