Dräger Fabius 4116029 - Page 259

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21.6 Pressure-limiting valve test
On control box IPPV, set
p
max
= 40mbar
f
IPPV
= 6/min
TI:TE = 1 : 1
TIP:TI = 10 %
PEEP =0mbar
V
t
= 380 mL
Connect -30/+120 mbar pressure gauge
to ventilator outlet.
Relief valve opens at 75 ± 5 mbar
(maximum pressure)
21.7 Testing of ancillary air valve:
Flow control valves on 0. Vacuum valve
opens at -2.5 to -6 mbar (minimum
pressure)
21.8 Freedom from leaks in piston chamber
Select Man/Spont mode.
Connect flowmeter and pressure gauge to
ventilator connection. Piston in upper end
position.
Connecting sleeve M 13506
Pressure gauge 7901515
O
O
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