Performance Characteristics Appendix
19 - 22 0070- 0-0704-02 Passport V Operating Instructions
miniMediCO
2
Microstream
®
Accuracy specification of the measured CO
2
partial pressure is according to the
following table (This testing is done according to ISO 21647 clauses 51.101.1 and
51.101.2.).
Accuracy in the presence of interfering gases:
The accuracy specification is maintained to within 4% of the values indicated in the table
above in the presence of interfering gases according to ISO 21647 clauses 51.101.3 and
101.1. The accuracy specification is maintained to within 4% of the values indicated in the
table above in the presence of up to 80% Helium with up to 15% oxygen when tested
according to the procedures defined by ISO 21647.
Respiration Rate Accuracy:
Self Maintenance (SFM) Interval:
Self-Maintenance (SFM) is performed only during measurement mode. The module performs
one or more of the following:
• Ambient pressure measurement
•Auto zero (AZ)
• Flow test
SFM is triggered under the following conditions:
• During the first hour after entering measurement mode, periodically for durations of
typically 10 seconds at a rate which limits the total time consumed by SFMs to less
than 2% of the time in which active measurements are taken. Following the first hour
Range: 0 - 99 mmHg
CO
2
PARTIAL PRESSURE * ACCURACY**
0 - 38 mmHg ± 2 mmHg
39 - 99 mmHg ± (5% of reading + 0.08% for every 1 mmHg above 38 mmHg)
* At sea level.
** Accuracy applies for respiration rates of up to 80 RPM. For respiration rates above 80 RPM, accuracy is
4mmHg or ± 12% of the reading, whichever is greater, for EtCO
2
values exceeding 18 mmHg. This is
tested according to and is compliant with ISO 21647. To achieve the specified accuracies for respiration
rates above 60 respirations/minute, the Microstream FilterLine H Set for Infant/Neonatal
(p/n 006324) must be used. Above 55 degrees C module temperature, ± 1 mmHg or ± 2.5% (whichever is
greater) has to be added to the tolerance of the accuracy specs.
Flow Rate: 50 ml/min -7.5 + 15 ml/min, flow measured by volume.
Respiration Rate Range: 0 - 150 RPM
Respiration Rate 0 to 70 RPM 71 to 120 RPM 121 to 150 RPM
Accuracy ± 1 RPM ± 2 RPM ± 3 RPM
0
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