Welch Allyn 246 Propaq CS Vital Signs Monitor v.3.7X - User Manual - Manual (Page 107)

Directions for Use Reference 103
Capnography (CO
2
) specifications
General CO
2
Specifications (mainstream CO
2
and sidestream 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 1 -5 kPa, 1.1 1 -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/s; user-selectable
Response Modes Fast: 15 s sampling time period
Normal: 30 s sampling time period
Slow: 45 s sampling time period
Gas Compensation OFF: CO
2
value = calculated CO
2
value;
O
2
> 50%, No N
2
O: CO
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 temperature = 42 ° C, 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 BR source. Otherwise, RESP from ECG is RR source.
Units Breaths/Minute
Range Adult/Ped: 0 (apnea), 2 to 150 breaths/min
Neonate: 0 (apnea), 3 to 150 breaths/min
Resolution ±1 breaths/min
Accuracy ±1 breaths/min or ±5%, whichever is greater
d
d. For sidestream CO
2
, this applies only for BR
≥
50.
Alarm Limits Range Adult/Ped: 2 to 150 breaths/min
Neonate: 3 to 150 breaths/min
Apnea Alarms and Tickets
Apnea Ticket Set to auto print after apnea event and after 1 minute continued apnea
Apnea Alarm Accuracy ± 2 s
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, kPa, or %
Accuracy ±3 mmHg or 2.5% of difference from calibration pressure, whichever is greater
CO
2
Performance
Specification Per ISO 9918:1993 (E) / EN 864:1996