Microlife PF 200 Instruction Manual page 11

7. A long beep confirms that the result is
recorded. The peak flow value
is displayed for about 3 seconds,
then the FEV1 is shown. Afterwards
the monitor is ready for a new
measurement which is indicated by
two short beeps.
8. I t is recommended to perform three
or more measurements sequentially. Please
note that the monitor only saves the highest
reading from switching the device on until
switching it off.
9. A fter each measurement, at first the actual
reading is shown in the display and then it
switches automatically to the highest reading
of your current measurement session.
10. P ress the ON/OFF button to switch the
monitor off. Before the monitor switches off,
the highest value and its related memory
position «MR xx» is displayed.
11. S tore the monitor in a clean and dust free place.
Traffic light indicator on the device
After the measurement, a small arrow in the display will indicate if the reading is in
the green, yellow or red range.
500 l/min is defined as reference value.
If a reading is above 80% (> 400 l/min) of the reference value, it will be indicated
in the green range. A reading in the yellow range indicates a reading between 60%
and 80% (300 l/min - 400 l/min) of the reference value. A reading in the red range
indicates a reading below 60% (< 300 l/min) of the reference value.
It would be best to determine the area limits together with your physician and when
required these ranges can be set manually within the software.
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