BeneVision N Series Patient Monitor Operator’s Manual A - 27
Microstream CO
2
Module
Standard Meet the standard of ISO 80601-2-55
CO2 Measurement range 0 to 99 mmHg
Accuracy* 0 to 38 mmHg:
39 to 99 mmHg:
±2 mmHg
±5% of the reading (0.08% increased in
error for every 1 mmHg if the reading is
more than 38 mmHg)
Accuracy drift Meet the requirement for measurement accuracy within 6 hours
* Accuracy applies for respiration rate up to 80 rpm. For respiration rate above 80 rpm and EtCO2 exceeding 18 mmHg, the
accuracy is 4 mmHg or ±12% of the reading, whichever is greater. For respiration rate above 60 rpm, the above accuracy
can be achieved by using the FilterLine H Set for Infant/Neonatal (Model: 006324). In the presence of interfering gases, the
above accuracy is maintained to within 4%.
Resolution 1 mmHg
Sample flow rate 50 ml/min
Sample flowrate tolerance -7.5/+15 ml/min
Initialization time 30 s (typical)
180 s (maximum)
Response time 2.9 s (typical)
(The response time is the sum of the rise time and the delay time when using
a FilterLine of standard length)
Rise time: <190 ms (10% to 90%)
Delay time: 2.7 s (typical)
awRR measurement range 0 to 150 rpm
awRR measurement accuracy 0 to 70 rpm:
71 to 120 rpm:
121 to 150 rpm:
±1 rpm
±2 rpm
±3 rpm
awRR resolution 1 rpm
Data sample rate 40 Hz
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