eResearchTechnology GmbH AM3G01 User Manual
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Peak Flow Meter AM3 - Instructions for Use for Trial xxx
Version 00.03 • Date 04NOV2013
2.2.4 Validity of PEF Measurements
A PEF measurement performed with the AM is valid, if:
• Breathing volume > 0.47 L or < 10 L
• Breathing flow > 50 L/min
• FVC > FEV1
If a PEF measurement is invalid, a message will be displayed and the subject will
be asked to repeat the measurement.
• Breathing volume > 0.47 L or < 10 L
• Breathing flow > 50 L/min
• FVC > FEV1
If a PEF measurement is invalid, a message will be displayed and the subject will
be asked to repeat the measurement.
To store a result in the AM, at least one adequate PEF needs to be performed.
If all efforts are invalid, no PEF data will be stored on the device.
4. The measured PEF is displayed on the AM.
5. The result is confirmed by pressing
.
After the 1
st
measurement, the subject will be asked to perform the 2
nd
and the 3
rd
PEFs (repeat steps 1- 5).
At the end of the session, the highest PEF will be displayed.
Result PEF
220 L/min
Highest PEF
250 L/min
Inadequate effort!
Please try again!