User Manual

4
Calibration and Sampling
As the particle load on the lter increases during sampling, the pressure drop will
also increase. Therefore, use a compensating sample pump such as the AirChek
Series or Leland Legacy depending on ow rate requirements.
Calibration
Option 1: Using a Calibration Jar
Calibrate pump ow rate with the PPI (support, lter, and impaction substrates
loaded) in line. See pump and calibrator operating instructions.
1. Ensure impactor is loaded with a support, collection lter, and impaction
substrates and that it is fully assembled (see Inserting a Collection Filter into the
PPI and Inserting Impaction Substrates into the PPI).
2. Use a calibration jar to calibrate pump ow rate.
a. Unscrew jar lid and remove.
b. Using supplied adapter, a ach so tubing end to PPI outlet. A ach
rigid end of adapter to Luer adapter in center of jar lid.
c. With PPI a ached, place lid on jar and screw
down until tight.
d. A ach center tubing on outside of jar lid to pump
inlet.
e. Use 1/4-inch tubing to a ach calibrator to barbed elbow ing on
outside of jar lid.