Welch Allyn 20хEL Propaq Encore Vital Signs Monitor - Reference Guide User Manual
Page 147
Capnography (CO
2
)
Propaq Encore Reference Guide
147
Welch Allyn
Barometric Pressure
Pressure Compensation
Automatic
Operating Range
-2,000 to 15,000 ft (-610 to 4572 m), 817 to 429 mmHg
Screen Display
Numeric (CO
2
Status Window)
Units
mmHg or kPa
Accuracy
±3 mmHg or 2.5% of difference from calibration pressure, whichever is
greater
a.Lower if in alarm.
b.Based on these airway conditions: sensor 42
°
airway adapter temperature = 33
°
C, water vapor pressure = 38
mmHg; standard gas mixture =
CO
2
in balance air, fully hydrated at 33
°
C; barometric pressure = 760 mmHg
and flow = 60 ml/min.
c.Based on the following additional airway conditions: Sample line = 7 ft, 0.055 in ID (2.13 m, 1.4 mm ID);
Sample flow rate = 175 ml/min; Welch Allyn watertrap (new/unused); Respiratory rate
≤
50 bpm, stable to
±
3
breaths/min; Inspired/Expired time ratio = 1:2. Barometric pressure = 760 mmHg.
d.For Sidestream CO2, this applies only for BR
≤
50..
Characteristic
Specification