Description
Lasair II Particle Counter Operations Manual
Page 1-5
Pressing the softkey to the right of the icon causes the action that is represented by
the icon to be performed.
Back Panel Features —
The back panel is comprised of the power connection,
the sampling outlet, and communications ports.
•
Power:
either an optional battery or by 100–240 volt AC power. The provided
power cord will vary with location (US vs. non-US standards).
•
4–20 mA Input Port:
Up to four more analog sensors can be connected through
the 4
–
20 mA port to provide additional environmental sensor information.
Analog sensors available from Particle Measuring Systems include: air velocity,
differential pressure, and T/RH sensors.
•
4–20 mA Output Port:
Provides particle and status output as a 4
–
20 mA signal
with an optional daughter board.
•
HHIPA Port
: HHIPA is hand-held isokinetic probe with an audible alarm.
HHIPA can be enabled to produce an audible “beep” when a particle is counted.
The Lasair II particle counter provides power to the HHIPA.
•
USB Port
: The USB port supports either of the following functions:
Figure 1-1: Front View of Lasair II Particle Counter at 196 DPI
