Pulse Oximeter Response Time - Nonin LifeSense LS1-9R Operator's Manual

Pulse Oximeter Response Time

If the signal from the sensor is inadequate, the last measured SpO
for 10 seconds and are then replaced with dashes.
SpO
Standard/Fast Averaged SpO
Pulse Rate Values
Standard/Fast Averaged Pulse Rate
Equipment Delays
Display Update Delay
Alarm Signal Generation Delay
Example: SpO Exponential Averaging
2
SpO decreases 0.75 % per second (7.5 % over 10 seconds)
2
Pulse Rate = 75 BPM
Specific to this example, the response of the 4 beat-average is 1.5 seconds.
CAUTION: A functional tester cannot be used to assess the accuracy of a pulse
!
oximeter monitor or sensor.
Values
2
2
and pulse rate values freeze
2
Average
4 beat exponential
Average
4 beat exponential
Delays
1.5 seconds
0 seconds
Latency
2 beats
Latency
2 beats
45