A - 6 Accutorr 7 Operator’s Manual
A.7 Measurement Specifications
A.7.1 SpO
2
Masimo SpO
2
Module
Alarm limit Range (%) Step (%)
SpO
2
High (low limit + 2) to 100 1
SpO
2
Low Masimo: Desat to (high limit – 2)
Nellcor: Desat or 20 (whichever is greater) to
(high limit – 2)
Desat 0 to (high limit – 2)
Standards Meet standards of ISO 9919, ISO 80601-2-61
SpO
2
Measurement range 1 to 100%
PI measurement range 0.02% to 20%
SpO
2
Resolution 1%
Accuracy
1
70 to 100%: ±2% (measured without motion in adult/
pediatric mode)
70 to 100%: ±3% (measured without motion in neonate
mode)
70 to 100%: ±3% (measured with motion)
1% to 69%: Not specified.
Refreshing rate 1 s
Response time ≤ 20 s (PR 75 bpm, average time 8 s, SpO
2
value rises
from 60% to 95%)
SpO
2
averaging time 2-4 s, 4-6 s, 8 s, 10 s, 12 s, 14 s, 16 s
Low perfusion conditions Pulse amplitude: >0.02%
Light penetration: >5%
Low perfusion SpO
2
accuracy
2
±2%