A-16
A.8.8 CO
2
Measurement mode Sidestream, microstream, mainstream
Technique Infrared absorption
Sidestream CO
2
Module
Standard Meet standard of ISO 80601-2-55
CO
2
Measurement range 0 to 99 mmHg
Accuracy*
0 to 40 mmHg:
41 to 76 mmHg:
77 to 99 mmHg:
±2 mmHg
±5% of the reading
±10% of the reading
*Inaccuracy 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.
Accuracy drift Meet the requirement for measurement accuracy within 6 hours
Resolution 1 mmHg
Sample flowrate(module PN:
115-020189-00)
Adult: 70 ml/min, 100 ml/min, 120 ml/min, 150 ml/min
Pediatric, neonate: 70 ml/min, 100 ml/min
Sample flowrate (module PN:
115-027545-00)
Connected a DRYLINE II watertrap for adult and pediatric patient: 120 ml/min
Connected a DRYLINE II watertrap for neonatal patient: 90 ml/min
Sample flowrate tolerance ±15% or ±15 ml/min, whichever is greater.
Warm-up time
Iso accuracy mode: ≤45s
Full accuracy mode: ≤10 min
Response time (module PN:
115-020189-00)
Measured with a neonatal watertrap and a 2.5-meter neonatal sampling line:
<3.5 s @ 100 ml/min
<4 s @ 70 ml/min
Measured with an adult watertrap and a 2.5-meter adult sampling line:
<4.5 s @ 150 ml/min
<5.5 s @ 120 ml/min
<5.5 s @ 100 ml/min
<7 s @ 70 ml/min
Response time (module PN:
115-027545-00)
Measured with a DRYLINE II neonatal watertrap and a 2.5-meter neonatal sampling line:
<4.5 s @ 90 ml/min
Measured with a DRYLINE II adult watertrap and a 2.5-meter adult sampling line:
<5.5 s @ 120 ml/min
Rise time(module PN: 115-020189-00)
Measured with a neonatal watertrap and a 2.5-meter neonatal sampling line, or an
adult watertrap and a 2.5-meter adult sampling line:
<400 ms @ 70 ml/min
<330 ms @ 100 ml/min
<300 ms @ 120 ml/min
<240 ms @ 150 ml/min
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