Note: Comparable blood pressure measurements
always require the same conditions.
Common Sources of Error:
17
Conditions should always be quiet.
All efforts by the user to support the arm can
increase blood pressure. Make sure you are in
a comfortable, relaxed position and do not flex
any of the muscles in the measurement arm
during the measurement. Use a cushion for
support if necessary.
If the arm artery lies considerably lower or high-
er than the heart, an erroneously high or low
blood pressure will be measured. Each 25-30
cm difference in height between your heart
and the cuff results in a measurement error of
10 mmHg.
Cuffs that are too narrow or too short result in
false measurement values. Selecting the correct
cuff is extremely important. Cuff size is depen-
dent upon the circumference of the arm (mea-
sured in the center). The permissible range is
printed on the cuff.
16
A loose cuff or a sideways protruding air pocket
causes false measurement values.
With repeated measurements, blood accumu-
lates in the arm, which can lead to false results.
Consecutive blood pressure measurements
should be repeated after a 1 minute pause or
after your arm has been held up in order to
allow the accumulated blood to flow away. If
you decide to take your Averaging Mode mea-
surement again, be sure to wait at least one
minute beforehand.
Cuff works under the pressure range 0-300 mmHg.
The wide range rigid cuff is: 8.7” – 15.7” (22 - 40
cm).
Note: Only use approved cuffs!
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