Appendices
20-17
A.15 CO
2
Specifications
Measurement technique Infrared absorption technique
Measurement mode Sidestream, microstream or mainstream (optional)
Displayed parameter EtCO2, FiCO2, Respiration Rate
CO2 function Meet the requirements of EN864 and ISO9918.
A.15.1 Mindray CO
2
Specifications
CO2 measurement range 0 to 99mmHg
Precision*
0 to 40 mmHg:
41 to 76 mmHg:
77 to 99 mmHg:
±2mmHg
±5%
±10%
Deflation rate 100, 150ml/min
Precision of deflation rate 15%
Start-up time of CO2
module
< 1min.
The module enters the warming up status after the startup. Ten
minutes later, it enters the ready-to-measure status.
AwRR measurement range 0 to 120 BrPM
Precision
0 to 70 BrPM:
> 70 BrPM:
±2 BrPM
±5 BrPM
Response time < 240 ms (10 to 90%)
Delay time
< 2s (Length of sampling tube: 7 feet; inner diameter: 0.055
inches; sampling flow: 150ml/min)
Apnea alarm delay AwRR: 10 to 40 s
* Conditions for measurements in typical precision:
The measurement is started after the preheating mode of the module;
Ambient pressure: 750mmHg to 760mmHg; room temperature: 22 to 28 ;℃℃
The gas under test is dry, and the balance gas is N2;
The deflation rate is 150ml/min, the respiration rate is no greater than 30BrPM, with a
fluctuation less than ±3BrPM, and the inhale interval/exhale interval is 1:2;
In other conditions, the measurement precision should meet the requirements of EN864 or
ISO9918: ±4mmHg (0 to 40mmHg) or ±12% of the reading (41 to 99mmHg)
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