Weinmann BiLevel ST 22, Operating Instructions Manual

Page: 48 / 56

48
Technical data
IPAP pressure range
EPAP pressure range
CPAP pressure range
Pressure accuracy
Increment 6 to 22 hPa
4 to 20 hPa
4 to 20 hPa
±0.6 hPa
0.2 hPa
(1 hPa = 1mbar
≈
1 cm H
2
O)
Minimum stable limit pressure
(PLS
min
) (min. pressure if there is a
fault)
Maximum stable limit pressure
(PLS
max
) (max. pressure if there is a
fault)
≥
0 hPa
≤
60 hPa
Respiratory rate
Precision
Increment 6 to 45 1/min
± 0.5 1/min
1 l /min
I:E (Ti/T):
Inspiration time
Increment
Precision
20 % up to 67 % of the respiratory cycle
1 %
±1 %
Trigger level
adjustable over 6 levels, separate for inspiration and expiration
in the ST mode the expiration trigger can be disabled
Rate of pressure rise adjustable over 6 levels
Rate of pressure drop adjustable over 6 levels
Precision of volume measurement at 23 °C: ± 15 %
Flow at max. speed at:
0 hPa
Tolerance
300 l/min
±15 l/min 275 l/min
±15 l/min
Flow at max. speed with bacteria
filter at:
0hPa
Tolerance
270 l/min
±15 l/min 250 l/min
±15 l/min
Warming of air as per the German
HMV (Medical Technical Aids
Register)
2.5 °C depends on heating level
BiLevel ST 22 BiLevel ST 22 with VENTI click