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LASAIR
LASAIR II
II Operator’s
Operator’s Manual
Manual
Chapter 1: Getting Started
Chapter 1: Getting Started
Internal Components
Internal Components
Significant internal components include the following:
Significant internal components include the following:
••
Tubing
Tubing
: 3/4-inch I.D., polyethylene tubing is used
: 3/4-inch I.D., polyethylene tubing is used between the sampling
between the sampling
inlet and the pump, and the pump and the outlet.
inlet and the pump, and the pump and the outlet.
••
Pump
Pump
: A regenerative blower pump is located a
: A regenerative blower pump is located at the base of the unit.
t the base of the unit. The
The
pump is a low power, DC voltage-controlled unit t
pump is a low power, DC voltage-controlled unit that is controlled to keep
hat is controlled to keep
the flow rate at one cubic foot
the flow rate at one cubic foot per minute. This pump was selected for
per minute. This pump was selected for its
its
expected long life and low maintenance requirements.
expected long life and low maintenance requirements.
••
HEPA Filter
HEPA Filter
: The internal HEPA filter eliminates 99.97% of all particles
: The internal HEPA filter eliminates 99.97% of all particles
with a size of 0.3
with a size of 0.3
µ
µ
m or greater. It is located just before the sample outlet to
m or greater. It is located just before the sample outlet to
filter out particles before the air leaves the LASAIR II.
filter out particles before the air leaves the LASAIR II.