A - 26 BeneVision N Series Patient Monitor Operator’s Manual
Rise time For CO
2 
measurement (without O
2 
measurement):
Measured with a DRYLINE II neonatal watertrap and a 2.5-meter neonatal sampling 
line:
≤250 ms@70 ml/min.
≤250 ms@90 ml/min.
Measured with a DRYLINE II adult watertrap and a 2.5-meter adult sampling line:
≤300 ms@120 ml/min 
For CO
2 
measurement (with O
2 
measurement):
Measured with a DRYLINE II neonatal watertrap and a 2.5-meter neonatal sampling 
line:
≤250 ms@90 ml/min.
Measured with a DRYLINE II adult watertrap and a 2.5-meter adult sampling line:
≤300 ms@120 ml/min 
Measured with a DRYLINE II adult watertrap and a 2.5-meter adult sampling line 
(using with the RM module):
≤240 ms@150 ml/min 
For O
2 
measurements:
Measured with a DRYLINE II neonatal watertrap and a 2.5-meter neonatal sampling 
line:
≤800 ms@90 ml/min.
Measured with a DRYLINE II adult watertrap and a 2.5-meter adult sampling line:
≤750 ms@120 ml/min 
Measured with a DRYLINE II adult watertrap and a 2.5-meter adult sampling line 
(using with the RM module):
≤650 ms@150 ml/min 
awRR measurement range 0 to 150 rpm
awRR measurement precision ≤60 rpm: ±1
61 to 150 rpm: ±2
awRR resolution 1 rpm
Data sample rate 50 Hz
Effect of interference gases on CO
2 
measurements
Gas Concentration (%) Quantitative effect*
O
2
≤100 ±1 mmHg
N
2
O≤60
Hal ≤4
Sev ≤5
Iso ≤5
Enf ≤5
Des ≤15 ±2 mmHg
*: means an extra error should be added in case of gas interference when CO
2
 measurements are performed between 0 to 
40mmHg. 
Effect of interference gases on O
2 
measurements
Gas Quantitative effect
CO
2
0.2%
N
2
O0.2%
Hal, Des, Sev, Iso, Enf 1%