User's Manual

21
cannot guarantee that the corners of the mouth will not leak, a special mouthpiece
with a tooth mask can be added.
Caution:
The user purchases a detachable mouthpiece and a disposable pulmonary function
meter filter, which must be a legally marketed product registered by the FDA.
Mouthpiece specifications: inner diameter 30mm, outer diameter 32-34mm, height
50mm-120mm.
Specification of disposable pulmonary function meter filter: inner diameter 1=30mm.
3) Breathe calmly for 4-5 times. After the breathing is stable, take a deep breath, and
then exhale forcefully, quickly, and completely, in one breath.
4) After the exhalation is complete, inhale strongly and quickly until it is complete, and
then breathe 4-5 times calmly to complete the test.
Caution: The same patient cannot be tested more than 8 times a day!
5) Each time the tested patient completes a set of measured values, the monitoring page
will prompt whether the measured result is acceptable. Such as ticking is acceptable,
you can click "end" to end this test and save the data. Such as the cross is an
unacceptable result and the reason is prompted, you can click " F1 New Test" to start a
test.
Figure 16 Test result monitoring page①