Aespire 7900
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Ventilator accuracy data
The following accuracy data are based on patient conditions and settings
described in ASTM F1101. The ventilator is assumed to be operating in
volume mode, with 100 percent oxygen in the breathing system; or, it is
connected to an anesthesia gas analyzer. If the ventilator is operating without
being connected to an anesthesia gas analyzer, additional errors may occur
which are described in the “Gas composition related errors (both modes)”
chart which is provided on the next page.
The minimum detectable breath size is 5.0 mL.
Delivery accuracy
Monitoring accuracy
Measured values are taken at ambient temperature and pressure, and are not
corrected when displayed.
Volume control
>210 mL tidal volume: Better than ±7% of set V
T
(100% O
2
)
60 to 210 mL tidal volume: Better than ±15 mL
<60 mL tidal volume: Better than ±10 mL
Pressure mode
Inspiratory pressure: ±2.0 cm H
2
0 (repeatability only)
(100% O
2
)
PEEP: ±1.5 cm H
2
O: greater of ±10% or ±3 cm H
2
O, whichever is
greater
Volume control
>210 mL tidal volume: Better than ±9% of V
T
(100% O
2
)
60 to 210 mL tidal volume: Better than ±18 mL
<60 mL tidal volume: Better than ±10 mL
Pressure mode
Better than: ±2.0 cm H
2
0 or ±5% of reading whichever is greater
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