Puritan Bennett GoodKnight 425, Руководство по обслуживанию

Страница: 12 / 56

GoodKnight 425 / 425ST Service Manual
P/N: M-145MAT00-20 Rev. A -
Page Rev. A
I-4
6) Dynamic resistance
The values below were measured from a simulated sinusoidal respiratory signal with a tidal volume
of 500 ml after a warm-up period of 2 hours. These measurements were made with a single unit.
B. USING A HUMIDIFIER
A heating or non-heating humidifier may be used with the GoodKnight 425 / 425ST on the
condition that the following warnings are noted.
WARNING
You are strongly advised to read the manufacturer’s recommendations for the humidi-
fier before use.
WARNING
Using a humidifier can alter the performance of the GoodKnight 425 / 425ST.
WARNING
The GoodKnight 425 / 425ST must always be placed above the humidifier. This position
will minimize the potential for water entering the Cpap device.
Water can damage the device.
Pressure @ Frequency Variation in pressure
(CmH
2
O)
Variation in airflow
(l/s)
Dynamic resistance
(CmH
2
O/l/s)
7cmH
2
O @ 10c/min 0,28 0,66 0,42
7cmH
2
O @ 15c/min 0,37 0,98 0,38
7cmH
2
O @ 20c/min 0,58 1,28 0,45
14cmH
2
O @ 10c/min 0,38 0,70 0,54
14cmH
2
O @ 15c/min 0,43 1,03 0,42
14cmH
2
O @ 20c/min 0,64 1,33 0,48
20cmH
2
O @ 10c/min 0,58 0,88 0,58
20cmH
2
O @ 15c/min 0,50 1,07 0,47
20cmH
2
O @ 20c/min 0,64 1,26 0,51