TSI Incorporated portacount pro 8030, Руководство по эксплуатации и обслуживанию

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36 Chapter 4
13. Press START . Fit testing begins immediately, and the first exercise
name appears. The elapsed exercise time also appears as a graphic
progress bar. As each exercise completes, the result appears in the
Fit
Factor column. The Ambient and Mask Concentration Values fields
show the ambient and mask particle concentrations as they are
measured.
14. When a fit test starts, the P
ORTA
C
OUNT
®
P
RO
Respirator Fit Tester
begins a preprogrammed test sequence, sampling alternately from the
Sample Tube and the Ambient Tube. Each exercise includes an ambient
sample, a mask sample, and then another ambient sample. Refer to
20H
Chapter 5 for more information on creating a new protocol with altered
sampling times. Refer to the Appendixes for technical details on
exercise/sample timing, calculating exercise fit factors, and calculating
overall fit factors.
15. P
ORTA
C
OUNT
®
P
RO
fit tester beeps to alert the person being tested it is
time to begin the next exercise. The exercises proceed one after another
without pause. Exercises that pass are highlighted in green. Exercises
that fail are highlighted in red.
Have the test subject follow the exercises one after another when
prompted by the instrument. Each exercise takes approximately 60
seconds to complete.
Exercise Name Description
Normal breathing Remain still and breathe as usual.
Deep breathing Take long deep breaths as if working hard.
Don’t overdo it
Head side to side Breathe normally while slowly turning the
head from side to side. Turn far enough to
each side to stretch the neck muscles. Each
cycle from left to right should take several
seconds, pausing momentarily at each side to
take a breath.
Head up and down Breathe normally while slowly alternating
between looking up at the ceiling and down
at the floor. Each up and down cycle should
take several seconds.