Welch Allyn CP 200 Spirometry Option - User Manual - Manual (Page 30)

26 Chapter 3 Calibrating the Spirometer Welch Allyn CP 200 Spirometry Option
4. Connect a new flow transducer to the pressure tubing. See “Connecting the
Spirometer Components” on page 37.
5. Attach the flow transducer to the syringe’s port, shown here. Push the flow
transducer all the way in for a tight seal.
Figure 12. Calibration Syringe
6. Pull the plunger all the way out.
7. Press Continue.
8. Press Start.
9. When the blue bar begins to move, push the plunger all the way in, then pull it all the
way out, carefully following the bar’s rate. Use a steady motion in both directions. See
Figure 13 .
Figure 13. Simulated Exhalation and Inhalation
Caution Several things may affect calibration results: movement of the
syringe, movement of the pressure tubing, or blockage of air. Place the
syringe on a hard, level surface with at least 1 cubic meter of open air
surrounding the flow transducer. Place your hand on top of the syringe to
prevent movement.
Port
Plunger
Spirometer Calibration
9:17AM Oct 16 08
Target Rate
Stop
Push plunger in following the bar
Spirometer Calibration
9:17AM Oct 16 08
Target Rate
Stop
Pull plunger out following the bar