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A.6.5 CO
2
Specifications
Standard Meet standard of ISO 80601-2-55
Technique Infrared absorption
Apnea delay 10 s, 15 s, 20 s, 25 s, 30 s, 35 s, 40 s
Measurement
range
0 to 150 mmHg
Accuracy Full accuracy mode:
0 to 40 mmHg: ±2mmHg
41 to 76 mmHg: ±5% of reading
77 to 99 mmHg: ±10% of reading
100 to 150mmHg: ±(3mmHg + 8% of reading)
>150mmHg CO
2
: unspecified
ISO accuracy mode:
Add ±2 mmHg to the full accuracy mode
Accuracy drift Meet the requirement for measurement accuracy within 6 hours.
Resolution 1 mmHg
Sample flowrate Connecting the Oridion sampling line: 50 ml/min
Sample flowrate
tolerance
±15% or ±15 ml/min, whichever is greater.
Start-up time 20 s (typical), 90 s (maximum)
Response time Measured with an Oridion sampling line: ≤5 s @ 50 ml/min (standard
sampling line) or ≤6.5 s @ 50 ml/min (extended sampling line)
Measured with a DRYLINE
TM
PRIME sampling line: ≤5 s @ 50 ml/min
Rise time Measured with an Oridion sampling line: ≤250 ms @ 50 ml/min
(standard sampling line) or ≤280 ms @ 50 ml/min (extended sampling
line)
Measured with a DRYLINE
TM
PRIME sampling line: ≤200 ms @ 50 ml/
min
Effect of interference gases on CO
2
measurement
Gas Concentration (%) Quantitative effect*
N
2
O ≤ 60 ±1 mmHg
Hal ≤ 4
Sev ≤ 5
Iso ≤ 5
Enf ≤ 5
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