Comen N10 - Page 258

Product Specifications
II-12
Respironics CapnoTrak: 0mmHg - 99.0 mmHg, 0%
- 13.03%, 0kPa - 13.20kPa (at 760mmHg)
CO
2
Resolution
0 - 69mmHg: 0.1mmHg
70 - 150 mmHg: 0.25mmHg
0 - 69mmHg: 0.1mmHg
70 - 150 mmHg: 0.25mmHg
CO
2
Accuracy
0 - 40 mmHg: ±2mmHg
41 - 70mmHg: ±5% of reading;
71 - 100mmHg: ±8% of reading;
101 - 150 mmHg: ±10% of
reading;
Note: temperature at 35°C
Comen:
0 - 40 mmHg: ±2mmHg
41 - 70mmHg: ±5% of reading;
71 - 100mmHg: ±8% of reading;
101 - 150 mmHg: ±10% of reading;
Respironics Capno-Trak:
0 - 38 mmHg: ±2mmHg of actual;
39 - 99.0 mmHg: ±10% of reading
(±12% of actual value when awRR exceeding
80rpm)
CO
2
calculation
BTPS (Body Temperature Pressure Saturated)
Sampling Rate
/
50 ml/min
Sampling rate accuracy
/
±10 ml/min
Data sampling rate
/
100Hz
Total system response
time
<60 ms
Comen sidestream: Less than 3 seconds (with
dehumidification and extension tubing).
Respironics CapnoTrak sidestream: Less than 5
seconds (with dehumidification and extension
tubing). Up to additional 3s for sidestream
sampling cannulas with dehumidification and
extension tubing)
10% to 90% Rise time
--
Comen sidestream: Less than 410 ms (with
dehumidification and extension tubing)
Respironics CapnoTrak sidestream: Less than 500
ms (for module only), for monitor, 1s (with
dehumidification and extension tubing)
CO
2
Stability
Short Term Drift: Drift over four hours shall not exceed 0.8 mmHg maximum; Long
Term Drift: Accuracy specification will be maintained over a 120 hour period.
Warm-up time
EtCO
2
waveform extraction:
<15s
Full accuracy specification:
≤2min (under 25°C).
Comen sidestream: EtCO
2
waveform extraction:
<20s
Full accuracy specification: ≤2min (under 25°C).
Respironics CapnoTrak sidestream: EtCO
2
waveform extraction: <10s
Full accuracy specification: ≤3min (under 25°C).
EtCO
2
Calculation
Method: Peak of the expired
CO
2
waveform
Selections: 1 breath, 10 second,
20 second
Note: the minimum reported
differential value between the
Method: Peak of the expired CO
2
waveform over
selected time period. Minimum of 5 mmHg
between peak and valley of waveform required.
Time Period Selections: 10 second, 20 second