Specifications Appendix
6 - 4 0070-10-0692-02 Accutorr Plus™ Operating Instructions
6.2.8 SpO
2
– Masimo
®
Performance Specifications
*Neonatal accuracy specifications are based upon testing the N-3000 and N-25 neonatal
sensors on healthy adult volunteers in induced hypoxia studies, in the range of 70 - 100%
Sp02. The specified accuracy also takes into account published literature which predicts
that there may be small difference in % Sp0
2
reported by the Oximetry when measurements
from adult and fetal blood 100% fetal hemoglobin are compared. Fetal hemoglobin is
present in concentrations varying from 10% to 90% in neonatal blood, and this percentage
declines over time. As the percentage of fetal hemoglobin in neonatal blood declines, the
theoretical effect on accuracy due to this source is reduced.
Range: 70-100% SpO
2
Display Resolution: 1% SpO
2
Display Update: <4 secs
SpO
2
Accuracy Saturation during No Motion Conditions
1
:
Adults / Pediatrics: 70% to 100% ± 2
5
<70% unspecified
Neonates (LNOP/LNCS): 70% to 100% ± 3
SpO
2
Accuracy Saturation during Motion Conditions
6
:
Adults / Pediatrics
2
: 70% to 100% ± 3
<70% unspecified
Neonates
3
(LNOP): 70% to 100% ± 4
Neonates
3
(LNCS): 70% to 100% ± 3
<70% unspecified
SpO
2
Response Time: 10 secs (Display Averaging Time is not user-
selectable for Masimo. It will be set to the
default value of 8 seconds.)
NOTE: This time was measured with post average time at 8
seconds.
Low Perfusion Performance
4
: >0.02% Pulse Amplitude and %Transmission
>5%
Saturation (%SpO
2
) ±2 digits
Pulse ±3 digits
Wavelengths Emitted: 660nm and 905nm
Maximum Emitted Energy: 30mW at 50μA pulsed
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