A-15
A.14 CO
2
Specifications
Measurement technique Infrared absorption technique
Displayed parameter EtCO2, FiCO2, Respiration Rate
CO2 function
Meet the requirements of EN ISO 21647/ISO 21647 and
ISO9918.
A.14.1 Mindray DS CO
2
Specifications
CO2 measurement range 0 to 99mmHg
Precision*
0 to 40 mmHg:
41 to 76 mmHg:
77 to 99 mmHg:
±2 mmHg
±5%
±10%
Resolution 1 mmHg
Drift meet the requirement of accurancy in 6 hours
Sample flow rate 70, 100 ml/min
Precision of deflation rate ±15% or 15 ml/min, whichever is great
Start-up time of CO2
module
< 1min, the module enters the warming up status after the startup.
One minute 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
When measured with a neonatal watertrap and a 2.5 m-long
neonatal sampling line:
<3.5 s @ 100 ml/min
<4 s @ 70 ml/min
When measured with an adult watertrap and a 2.5 m-long adult
sampling line:
<5.5 s @ 100 ml/min
<7 s @ 70 ml/min
Delay time
When measured with a neonatal watertrap and a 2.5m-long
neonatal sampling line:
<3 s @ 100 ml/min
<3.5 s @ 70 ml/min
When measured with an adult watertrap and a 2.5m-long adult
sampling line:
<5 s @ 100 ml/min
<6.5 s @ 70 ml/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: 750 mmHg to 760 mmHg; room temperature: 22℃ to 28℃;
The gas under test is dry, and the balance gas is N2;
The deflation rate is 100 ml/min, the respiration rate is no greater than 50 BrPM, with a
fluctuation less than ±3 BrPM, and the inhale interval/exhale interval is 1:2;
When the working temperature is from 15 to 25 degree, or from 50 to 55 degree, or when the
breath rate is greater than 50Brpm, the measurement precision should meet the requirements of
ISO21647: ±4mmHg (0 to 40mmHg) or ±12% of the reading (41 to 99 mmHg)
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