BeneVision N1 Patient Monitor Operator’s Manual
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Sidestream CO
2
Module
Standard
Meet the standard of ISO 80601-2-55 2011
CO
2
Measurement range
0 to 150mmHg
CO
2
absolute accuracy*
Full accuracy mode:
0≤CO
2
concentration≤40 mmHg
± 2mmHg
41mmHg≤CO
2
concentration<76 mmHg:
±5% of reading
77mmHg≤CO
2
concentration<99 mmHg:
±10% of reading
100 mmHg≤CO
2
concentration<150 mmHg:
±(3mmHg + 8% of reading)
> 150 mmHg
Unspecified
Inaccuracy specifications are affected by the breath rate and I:E. The EtCO
2
accuracy is within specification for breath rate
≤ 60 rpm and I/E ratio ≤ 1:1, or breath rate ≤ 30 rpm and I/E ratio ≤ 2:1.
CO
2
resolution
1 mmHg
O
2
measurement range
0 to 100%
O
2
absolute accuracy
0≤O
2
concentration≤25%:
25<O
2
concentration≤80%:
80<O
2
concentration≤100%:
±1%
±2%
±3%
O
2
resolution
1%
Accuracy drift
Meet the requirement for measurement accuracy within 6 hours
Sample flowrate
Using internal CO
2
module:
Adult, pediatric, neonatal:
Using external CO
2
module with O
2
sensor:
Adult, pediatric:
Neonatal:
Using the CO
2
module without O
2
sensor:
Adult, pediatric:
Neonatal:
50 ml/min
120 ml/min
90 ml/min
120 ml/min
70 ml/min, 90 ml/min
Sample flowrate tolerance
±15% or ±15 ml/min, whichever is greater.
Start-up time
20s (typical), 90 s (maximum)
