25
Using the 9847V Pulse Oximeter
Pulse Quality Indicator
The Pulse Quality indicator
blinks once for each pulse while measuring oxygen saturation. The
Pulse Quality indicator changes color to indicate changes in the pulse waveform signal that may affect
the SpO
2
data.
The Pulse Quality indicator blinks one of three colors:
•
Green
indicates the pulse waveform signal is of good quality and the SpO
2
and pulse rate data
are accurate.
•
Yellow
indicates the pulse waveform amplitude is marginal or that the pulse oximeter has detected
artifact. Although the SpO
2
and pulse rate data may be acceptable, corrective measures should
be considered if the indicator continues to blink yellow frequently. To improve signal quality, try
repositioning the sensor, using a different sensor type, eliminating animal movement, or improving
circulation at the site by massaging the area.
•
Red
indicates the pulse waveform amplitude is inadequate. During red pulse quality, SpO
2
and
pulse rate values are not updated. A high priority animal alarm occurs. After approximately
20 seconds, the values are replaced with dashes indicating that SpO
2
and pulse rate
measurements are not possible. (Also during this high priority animal alarm, the high priority
audible pulse quality alarm sounds if the audible alarms are not disabled.)
No Breath Indicator
The No Breath indicator, a high priority animal alarm, flashes when a breath has not been detected
for a period of time that exceeds the set no breath delay time (measured in seconds). During this
alarm, the high priority audible no breath alarm sounds if the audible alarms are not disabled. (See
“No Breath Alarm” on page 29 for additional information.)
If a CO
2
sensor alarm occurs, existing visible and audible absence of breath indicators latch. However
in most cases, during “fixed pitch” breath beep mode, when the airway adapter tube is unsnapped
from the CO
2
sensor, the visible and audible absence of breath indicators stop.
When a breath is again detected, the visible and audible no breath indicators stop. The no breath
delay timer is first started when the CO
2
sensor is plugged into the 9847V and the system is not in
setup mode (when the lower bar is lit on the CO
2
display).
CO
2
Bar Graph
The CO
2
bar graph
remains blank until the CO
2
sensor is plugged in. When
an airway adapter tube is connected to the CO
2
sensor and an adequate signal
is detected, the bottom bar is initially lit. The bars are lit to indicate the change in
CO
2
level as the animal exhales and inhales through the airway adapter tube.
CAUTION:
The device has motion tolerant software that minimizes the likelihood of
motion artifact being misinterpreted as good pulse quality. However in some
circumstances, the device may still interpret motion as good pulse quality.
!
m
m
H
g
k
P
a
75
30
50
2
6
10
20
10
4
7
0.3
0.8
1.3
2.6
Bottom
Bar
ΔΔ
CO
CO2