Technical Information; Measuring Errors And Their Causes - uebe visomat medic Mode D'emploi

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1. Measuring errors and their causes

If you fail to get any measurement results, please check for the following possible
causes.
If necessary, repeat measurement after the circulation in the arm has been allowed
to recover for a brief period; rest approx. 3-5 minutes for this purpose.
Failure encoun-
tered
Quiet pulse
sounds
Interference noise
in the stethoscope
Cuff is not
inflated
Incorrect measu-
red values
Unusual measu-
red values
EN-30
Possible cause
Stethoscope diaphragm not
lying on the pulse position.
tube kinked.
Earpieces clogged.
Movement of arm or body
during measurement.
Deflating valve was not closed.
Incorrect cuff size.
Incorrect cuff size. Movement
or talking during measurement.
Resting time not observed.

Technical information

Corrective action
Reposition the stethoscope
diaphragm; if necessary, have your
specialised dealer or doctor show
you how to do this.
Check tube.
Clean earpieces.
Do not move your arm, do not
talk.
Reset the air deflating switch.
Measure your arm circumference
in the middle of the upper arm
and compare this with the details
given on the cuff.
Check conditions and repeat
measurement after 3 minutes.