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Patient monitor User’s manual
26
Warm-up time
< 20s (Concentrations reported, automatic agent
identification enabled and full accuracy)
Typical rise time
at 50 ml/min sample
flow
CO
2
≤ 200 ms (≤ 250 ms for ISA OR+/AX+)
N
2
O ≤ 350 ms
O
2
≤ 450 ms
ISO, ENF, SEV,HAL,DES ≤ 350 ms
Total system
response time
< 3s (with 2m sampling line)
Primary agent
threshold
0.15%. When an agent is identified, concentrations will
be reported even below 0.15%.
Secondary agent
threshold
0.2 % +10% of total agent concentration
Agent identification
time
<20s (typically <10s)
Measurement range and accuracy of gas
：
Gas
Range (%)
Accuracy
1)
CO
2
0 to15%
±（0.3 kPa + 4% of reading）
N
2
O
0 to 100%
±（2 kPa + 5% of reading）
HAL, ENF, ISO
0 to 8%
±（0.2 kPa + 10% of reading）
SEV
0 to 10%
±（0.2 kPa + 10% of reading）
DES
0 to 22%
±（0.2 kPa + 10% of reading）
O
2
0 to 100%
±
（
2 kPa + 2% of reading
）
awRR measurement range
0 rpm to 150 rpm
awRR measurement accuracy
±1 rpm
Note 1: The accuracy specification is valid for the operating temperature and humidity
conditions specified, except for interference specified in the table “Interfering gas and
vapor effects” below.
The accuracy specification is not valid if more than two agents are present in the gas
mixture. If more than two agents are present, an alarm will be set.
Interfering gas and vapor effects
If the concentration of the various gases is below the following level, there
will be negligible interference for measurement under the specification above.
 ISA CO
2
, ISA AX+ sensor:
Gas or vapor
Gas level
Effect (CO
2
)
Effect
(Agents)
Effect
(N
2
O)
N
2
O
60%
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