Patient Monitor User Manual Product Specifications
- 264 -
Barometric Pressure on EtCO
2
Measurement Values:
Quantitative Effect
Ambient Barometric, Operational
(0 ~ 40) mmHg: ± 1 mmHg additional error
(41 ~ 70) mmHg: ± 2.5% additional error
(71 ~100) mmHg: ± 4% additional error
(101 ~ 150) mmHg: ± 5% additional error
*Additional worst case error when compensation for P
B
, O
2
, N
2
O, anesthetic agents, or helium
is correctly selected for the actual fractional gas constituents present.
NOTE:
Respiration Rate accuracy was verified by using a solenoid test setup to deliver a square
wave of known CO
2
concentration to the device. 5% and 10% CO
2
concentrations were
used. Respiration rate was varied over the range of the device. Pass/Fail criteria was
comparison of the respiratory rate output from the sensor to the frequency of the square
wave.
A.19 C.O.
Technique Thermodilution Technique
Measure Parameters C.O., TB, TI
Measuring Range
C.O. 0.1 L/min to 20 L/min
TB
23
°C to 43 °C (73.4 ºF to 109.4 ºF)
TI
-1
°C to 27 °C (30.2 ºF to 80.6 ºF)
Resolution
C.O. 0.1 L/min
TB, TI
0.1
°C (+0.1 ºF)
Accuracy
C.O.
± 5% or
0.2 L/min, whichever is greater
TB
± 0.1 °C (not including sensor)
TI
± 0.1 °C (not including sensor)
NOTE:
At least 90% of the C.O. data should reside inside the bounded region, and the lower
95% confidence interval should not exceed 85%.
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