A - 10
A.6.1.3 Nellcor SpO
2
 Module Specifications
Information of the Test Subjects of the Clinical Study Report
Low perfusion conditions  Pulse amplitude: >0.02% 
Light penetration: >5%
Low perfusion SpO
2
 
accuracy
2
±2%
1 
The Masimo pulse oximeter with 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% SpO
2
 against a laboratory co-oximeter and ECG monitor. This variation 
equals plus or minus one standard deviation. Plus or minus one standard deviation 
encompasses 68% of the population. One percent was added to the accuracies for 
neonatal sensors to account for accuracy variation due to properties of fetal hemoglobin.
 The Masimo pulse oximeter with 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% SpO
2
 against a laboratory co-oximeter 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 pulse oximeter 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 saturations 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. 
Standards Meet standards of ISO 80601-2-61
Measurement range 0 to 100%
Resolution 1%
Accuracy 70 to 100%: ±2% ABS (adult/pediatric)
70 to 100%: ±3% ABS (neonate)
0% to 69%: Not specified.
Refreshing rate ≤ 1 s
Response time ≤ 30 s (normal perfusion, no disturbance, SpO
2
 value 
sudden change within 70% – 100%)
* When the SpO
2 
sensor is applied for neonatal patients as indicated, the specified accuracy 
range is increased by ±1%, to compensate for the theoretical effect on oximeter 
measurements of fetal hemoglobin in neonatal blood.
Skin color Gender Number Age (years) Health