User Manual User guide

108 Specifications Welch Allyn Propaq Encore Vital Signs Monitor
Capnography (CO
2
)
Characteristic Specification
CO
2
display
Screen Display CO
2
waveform and ETCO
2
and INCO
2
(when in alarm) numerics
Numeric Display Ranges ETCO
2
0-99 mmHg, 0-13.2 kPa, 0-23.1%
INCO
2
8
a
-25 mmHg, 1.1
a
-5 kPa, 1.1
a
-5%
a. Lower if in alarm.
Waveform Scale
(Maximum)
0-100 mmHg, 0-14 kPa, 0-14%
Units mmHg, kPa,%; user-selectable
Sweep Speed 3.13, 6.25, 12.5 mm/sec; user-selectable
Response Modes Fast 15 sec sampling time period
Normal 30 sec sampling time period
Slow 45 sec sampling time period
Gas Compensation OFF CO
2
value = calculated CO
2
value;
O
2
> 50%, No N
2
OCO
2
value = calculated CO
2
value x 1.03;
N
2
O > 50% CO
2
value = calculated CO
2
value x 0.952
Alarm Limit Ranges ETCO
2
0-99 mmHg, 0-13.2 kPa, 0-13.2%
INCO
2
2-25 mmHg, 0.2-5 kPa, % (no lower limit)
Resolution 1 mmHg
Accuracy Mainstream
b
0-30 mmHg, ± 3 mmHg
31-99 mmHg, ± 10% of value
Sidestream
c
0-30 mmHg, ± 3 mmHg
31-99 mmHg, ± 10% of value
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.
Altitude Error ± 0.4%/1,000 ft (304.8 m)
Breath rate display
Screen Display Numeric
Breath rate (BR) source When CO
2
is active, CO
2
is the BR source.
Otherwise, RESP from ECG is the RR source.
Units Breaths/Minute
Range Adult/Ped0 (apnea), 2 to 150 breaths/min
Neonate0 (apnea), 3 to 150 breaths/min
Resolution ± 1 breaths/min
Accuracy ± 1 breaths/min or ± 5%, whichever is greater
d
d. For sidestream CO2, this applies only for BR 50.
Alarm Limits Range Adult/Ped2 to 150 breaths/min
Neonate3 to 150 breaths/min
CO
2
perormance
Specification Per ISO 9918:1993 (E) / EN 864:1996
Apnea alarms and tickets
Apnea Ticket Set to auto print after apnea event and after 1 minute continued
apnea
Apnea Alarm Accuracy ± 2 sec
Apnea delay setting Adult/Ped = 6, 10, 15, 20, 25, 30 seconds
Neonate = 6, 10, 15, 20 seconds
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