4-5Lasair® Pro Aerosol Particle Counter Operations Manual
Chapter 4 : Connections
AC Power
Before connecting to an AC power source, ensure you have the following items:
Item Comments
External AC to DC power supply Standard U.S. Government Energy Information
Administration (EIA) power input of 100-240 VDC,
50–60 Hz. Only use the included power supply to
prevent damage and assure proper operation.
U.S. power cord with plug Included with U.S. shipments only.
International power cord
(included with international
shipments)
The power cord for international shipments
comes assembled with a plug configured for your
country’s voltage and frequency specifications.
Surge protector (recommended) To protect the unit from any voltage spikes, use a
good quality surge protector.
Table 4-1. Items required for AC power source connection
WARNING
Before you begin, ensure the external AC to DC power supply has been properly
grounded.
CAUTION
The main power disconnect is the power cord. Ensure that it is easily accessible.
Also remove the lithium batteries (if installed) to remove all power.
CAUTION
This is a LOW POWER DEVICE. Connect ONLY low voltage power accessories to
the auxiliary power output to avoid damage to the unit.
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