Introduction 9 Anesthetic Gas Module
169
CO
2
Measurement
The total system response time is the sum of the sample delay time (3 seconds) and the rise time (410
msec typical)
AWRR derived from CO
2
Waveform
N
2
O Measurement
O
2
Measurement
Range: 0 to 76 mmHg
Accuracy: 1.5 mmHg (0 - 40 mmHg)
2.5 mmHg (40 - 60 mmHg)
4.0 mmHg (60 - 76 mmHg)
Resolution: 1 mmHg
Rise-time: 410 msec typical
Range: 0 to 60 rpm
Accuracy: ± 2 rpm
Resolution: 1 rpm
Detection Criteria: 6 mmHg variation in CO
2
Range: 0 to 85 vol%
Accuracy: 1.5 vol% + 5% relative
Resolution: 1 vol%
Rise-time: 510 msec typical
Range: 0 to 100vol%
Accuracy: ± 2.5 vol% or 5% relative, whichever is the greater.
Resolution: 1 vol%
Rise-time: 450 msec typical
Agent Range (vol%) Accuracy Resolution Rise Time
Halothane 0 - 7.5 0.2 vol% + 4.0% relative 0.05 < 740
Enflurane 0 - 7.5 0.1 vol% + 4.0% relative 0.05 < 620
Isoflurane 0 - 7.5 0.1 vol% + 4.0% relative 0.05 < 610
Sevoflurane 0 - 9.0 0.1 vol% + 4.0% relative 0.05 < 570
Desflurane 0 - 20.0 0 . 1 v o l % + 6 . 0 % r e l a t i v e 0 . 0 5 ( 0 - 1 0 )
0.1 (10.1-20)
< 540
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