Mindray BeneVision N1 - Page 262

A - 18 BeneVision N1 Patient Monitor Operator’s Manual
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
ISO accuracy mode:
Unspecified
Add ±2mmHg to the full accuracy
mode
Accuracy 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 Meets the requirements 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)