SKC Preloaded Disposable Parallel Particle Impactor Operating Instructions Manual page 5

6. Calibrate to 2 L/min for the 2 L/min respirable and thoracic model PPIs,
4 L/min for the 4 L/min respirable model, or 8 L/min for the 8 L/min respirable
model. Follow the calibration instructions in the pump and calibrator operating
instructions.
7. When calibration is completed, disconnect the tubing from the calibrator and
calibration adapter.
8. Grasp the Disposable PPI with one hand and the calibration adapter with
the other hand. Firmly pull/twist to remove the calibration adapter from the
Disposable PPI inlet plate.
9. Replace the representative Disposable PPI used to set the fl ow with a new,
unused preloaded Disposable PPI for sample collection.
Using excessive pressure to
seal the calibration adapter to
the Disposable PPI may make
the calibration adapter diffi cult
to remove.
Calibration
adapter
Sample
pump
Flexible
tubing
5
Disposable PPI
Calibrator
Flexible
tubing