VS 8/VS 8A Vital Signs Monitor Operator’s Manual A - 11
A.6.2 PR
PR from Masimo SpO
2
Module
PR from Nellcor SpO
2
Module
Black Male 1 28.2±9.19 Healthy
Female 1
Yellow Male 3
Female 9
Alarm limit Range (bpm) Step (bpm)
PR High PR ≤ 40: (low limit +2) to 40
PR > 40: (low limit +5) to 300
PR ≤ 40: 1
PR > 40: 5
PR Low PR ≤ 40: 15 to (high limit - 2)
PR > 40: 40 to (high limit - 5)
Measurement range 25 to 240 bpm
Resolution 1 bpm
Response time ≤ 20 s (normal perfusion, no disturbance, PR value
sudden change within 25 – 220 bpm)
Accuracy ±3 bpm (without motion)
±5 bpm (with motion)
Low perfusion conditions Pulse amplitude: >0.02%
Light penetration: >5%
Low perfusion PR accuracy
1
±3 bpm
Refreshing rate ≤ 1 s
1
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.
Measurement range 20 to 300 bpm
Resolution 1 bpm
A - 12 VS 8/VS 8A Vital Signs Monitor Operator’s Manual
PR from NIBP Module
A.6.3 NIBP
Response time ≤30 s (normal perfusion, no disturbance, PR value
sudden change within 25 – 250 bpm)
Accuracy 20 to 250 bpm: ±3 bpm
251 to 300 bpm: not specified
Refreshing rate ≤ 1 s
Measurement range 30 to 300 bpm (adult/pediatric/neonate)
Resolution 1 bpm
Accuracy ±3 bpm or ±3%, whichever is greater
Standards Meet standards of IEC 80601-2-30, ISO 81060-2
Technique Oscillometry
Mode of operation Manual, Auto, STAT, Sequence, and BP averaging
Auto mode
repetition intervals
1 min, 2 min, 2.5 min, 3 min, 5 min, 10 min, 15 min, 20 min, 30 min,
1 hour, 1.5 hours, 2 hours, 3 hours, 4 hours, 8 hours
STAT mode cycle
time
5 min
Typical
measurement time
Adult: ≤ 15 s (Inflation algorithm, measured with CM1203/CM1303/
CM1503 cuff, PR within 60 to 200 bpm and systolic pressure within
80 to 120 mmHg)
Pediatric: ≤ 15 s (Inflatin algorithm, measured with CM1202/
CM1302/CM1502 cuff, PR within 60 to 200 bpm and systolic
pressure within 80 to 120 mmHg)
Max measurement
time
Adult, pediatric: 180 s
Neonate: 90 s
Heart rate range 30 to 300bpm
Measurement
ranges
(mmHg)
Adult Pediatric Neonate
Systolic: 25 to 290 25 to 240 25 to 140
Diastolic: 10 to 250 10 to 200 10 to 115
Mean: 15 to 260 15 to 215 15 to 125
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