Performance Specifications Specifications
2 - 4 0070-10-0691 Accutorr Plus Service Manual
NOTE: This time was measured with post average time
at 8 seconds.
Low Perfusion Performance
4
: >0.02% Pulse Amplitude
%Transmission >5%
Saturation (%SpO
2
) ±2 digits
Pulse ±3 digits
Wavelengths Emitted: 660nm and 905nm
Maximum Emitted Energy: 30mW at 50mA pulsed
Interfering Substances: Carboxyhemoglobin may erroneously increase
readings. The level of increase is approximately
equal to the amount of carboxyhemoglobin present.
Dyes, or any substance containing dyes, that change
usual arterial pigmentation may cause erroneous
readings.
Pulse Rate Performance Specifications
Pulse Rate During No Motion Conditions
1
:
Adult/Pediatric/Neonates: 26 to 239 BPM ±3 digits
Pulse Rate During Motion Conditions
2,3
:
Adult/Pediatric/Neonates: 26 to 239 BPM ±5 digits
Update Rate: Less than 4 seconds
1
The Masimo® MS-3 Pulse Oximetry module with LNOP®•Adt sensors have been validated for no motion
accuracy in human blood studies on healthy adult volunteers in induced hypoxia studies in the range of
70% to 100% SpO2 against a laboratory co-Oximetry and ECG monitor. This variation equals plus or
minus one standard deviation. Plus or minus one standard deviation encompasses 68% of the population.
2
The Masimo® MS-3 Pulse Oximetry module with LNOP®•Adt sensors has been validated for motion
accuracy in human blood studies on healthy adult volunteers in induced hypoxia studies while performing
rubbing and tapping motions at 2 to 4 Hz. At an amplitude of 1 to 2 cm and non-repetitive motion between
1 to 5 Hz. At an amplitude of 2 to 3 cm in induced hypoxia studies in the range of 70% to 100% SpO2
against a laboratory co-Oximetry and ECG monitor. This variation equals plus or minus one standard
deviation. Plus or minus one standard deviation encompasses 68% of the population.
3
The Masimo® MS-3 Pulse Oximetry module with LNOP®•Neo and LNOP®•NeoPt sensors has been val-
idated for motion accuracy in human blood studies on neonates while moving the neonates foot at 2 to 4 Hz
at an amplitude of 1 to 2 cm against a laboratory co-Oximetry and ECG monitor. This variation equals plus
or minus one standard deviation. Plus or minus one standard deviation encompasses 68% of the popula-
tion.
4
The Masimo® MS-3 Pulse Oximetry module has been validated for low perfusion accuracy in bench top
testing against a Biotek Index 2 simulator and Masimo’s simulator with signal strengths of greater than
0.02% and a % transmission of greater than 5% for saturation’s ranging from 70% to 100%. This variation
equals plus or minus one standard deviation. Plus or minus one standard deviation encompasses 68% of
the population.
5
The LNOP®•Ear Sensors have an SpO2 accuracy of 70% to 100% ±3.5 digits for adults during no motion
conditions, however, since the monitor cannot display ½ digits, the accuracy shall be rounded to ±4 digits.
6
The SpO2 accuracy during motion conditions is not specified for the LNOP®•Ear Sensors.
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