SKC Limited Haz-Dust IV - Manual (Page 66)

Checking the Flow Rate,
Continued
2 Activate the internal sampling pump using the steps below.
Step Action
1 Select Sample/Record from the Main Menu
2 Select 1 Second.
3 Select Overwrite.
4 Select Yes.
5 Select No.
6 Select Sample/Rec and allow the Haz-Dust IV to
run for at least two minutes to stabilize.
3 Observe the flow rate on your air flow calibrator.
If... Then...
The flow rate is 2.75 LPM. The flow rate is properly
calibrated. Detach the airflow
calibrator tubing and continue
with the “Selecting the Particle
Size” process.
The flow rate is not 2.75
LPM.
The flow rate must be adjusted.
See page 5-7 for instructions.
NOTE: The GS-3 Cyclone is an optional accessory for the Haz-
Dust IV. Its optimal flow rate is 2.75 LPM. The GS-1 Cyclone may
be used, however, its optimal flow rate of 2.0 LPM to a 4µm
respirable cut point.
Using the Thoracic inlet
and the flow rate is 2.0
LPM.
The flow rate is properly
calibrated. Detach the airflow
calibrator tubing and continue
with the “Selecting the Particle
Size” process.
The flow rate is not 2.0
LPM.
The flow rate must be adjusted.
See page 5-7 for instructions.
Using the Inhalable inlet
the flow rate is 2.0 LPM.
The flow rate is properly
calibrated. Detach the airflow
calibrator tubing and continue
with the “Selecting the Particle
Size” process.
The Flow rate is not 2.0
LPM.
The rate must be adjusted. See
page 5-7 for instructions.
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