SKC Limited Haz-Dust IV - Manual (Page 67)

Adjusting the Flow Rate
Introduction The flow rate must be adjusted when it does not equal:
•
•
• 2.75 LPM for 25-mm cyclone Respirable Inlet
2.0 LPM for Thoracic Inlet
2.0 LPM for Inhalable Inlet
Adjusting the
flow rate Follow the steps in the table below to adjust the flow rate.
1 Locate the adjustment screw on the bottom of the Haz-Dust IV
next to the charging jack.
2 Use the flow adjustment screw to adjust the flow rate.
To... Turn the adjustment screw...
Decrease the flow rate Counterclockwise
Increase the flow rate Clockwise
3 Record the Flow Rate.
4 Detach the airflow calibrator and calibration airflow tubing.
5 Continue with the “Selecting the Particle Size” process.
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