A - 30 BeneVision N Series Patient Monitor Operator’s Manual
Response time Measured with a DRYLINE II neonatal watertrap and a 2.5-meter neonatal sampling
line:
120 ml/min:
CO
2
:
N
2
O:
O
2
:
Hal, Iso, Sev, Des, Enf:
≤4 s
≤4.2 s
≤4 s
≤4.4 s
Measured with a DRYLINE II adult watertrap and a 2.5-meter adult sampling line:
200 ml/min:
CO
2
:
N
2
O:
Hal, Iso, Sev, Des, Enf:
O
2
:
≤4.2s
≤4.3s
≤4.5s
≤4s
Anesthetic agent limit Primary anesthetic agent
In full accuracy mode: 0.15%,
Secondary anesthetic agent:
In full accuracy mode: 5% of primary agent if primary agent is greater than 10%, 0.3% if
primary agent is less than or equal to 10%.
Data sample rate 25 Hz
Inaccuracy specifications are affected by the breath rate and I:E change. The end-tidal gas reading is within specification for
breath rate below 15BPM and I:E ratio smaller than 1:1 relative to the gas readings without breath; Add ±6%REL to
inaccuracy for HAL and O
2
for breath rate larger than 15 BPM; Add ±6%REL to inaccuracy for all gases for breath rate larger
than 30 BPM (inaccuracy for HAL and O
2
are unspecified in this case); inaccuracy is unspecified for breath rate larger than 60
BPM.
Effect of interference gases on AG measurements
Gas
Concentration(
%)
Quantitative effect(%ABS)3)
CO
2
N
2
O
Agent 1)
O
2
CO
2
/ / 0.1 0 0.2
N
2
O/0.1/0.10.2
Agent 1) 2) / 0.1 0.1 0.1 1
Xenon <100% 0.1 0 0 0.5
Helium <50% 0.1 0 0 0.5
Ethanol <0.1% 0 0 0 0.5
Acetone <1% 0.1 0.1 0 0.5
Methane <1% 0.1 0 0 0.5
Saturated Isopropanol vapour / 0.1 0 0 0.5
Metered dose inhaler
propellants,
/ Unspecified Unspecified Unspecified Unspecified
O
2
/0.20.21.0/
1) Agent represents one of Des, Iso, Enf, Sev, and Hal.
2) Multiple agent interference on CO
2
, N
2
O and O
2
is typically the same as single agent interference.
3) For CO
2
, N
2
O and Agents, maximum interference from each gas at concentrations within specified accuracy ranges for
each gas. The total interference of all gases is never larger than 5%REL.
Alarm limit Range Step
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