Dräger Julian, Operating Instructions Manual

Page: 139 / 148

Breathing system
Total gas volume (without breathing hoses) Approx. 4.5 L enclosed gas volume
Compliance with filled absorber container,
without breathing hoses
Approx. 4.5 mL/mbar
Absorber volume 1.5 L
Leakage (EN 740) <150 mL at 30 mbar
Pressure limiting valve APL
Adjustment range 5 to 70 mbar
±
15 % of setting
Exp. resistance (EN 740) 4,8 mbar at 60 L/min
Insp. resistance (EN 740) 4,6 mbar at 60 L/min
absorber container filled with DrägerSorb 800 Plus
Measuring Functions
Pressure measurement
(piezoresistive)
Airway pressure –10 to 99 cmH
2
O
Resolution 1 cmH
2
O
Accuracy Better than
±
4 % of measured value or at least 1 cmH
2
O,
the larger value applies)
O
2
measurement
(fuel cell in sidestream)
Sample rate 60 mL/min or 200 mL/min
Delay time for sampling Less than 1 second
Measuring range 5 to 100 vol%
Resolution 1 vol%
Accuracy Calibration in air:
±
3 vol% in the range from 5 to 50 vol%
±
5 vol% in the range from 50 to 100 vol%
Calibration with 100 % O
2
:
±
3 vol% in the range from 5 to 100 vol%
Drift Within the ranges specified above
Response time t
10...90
at 200 mL/min 500 ms
at 60 mL/min 1 s
Technical Data
Performance Data
Measuring Functions
Operating Instructions Julian SW 3.n
139