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19
6. Saving and displaying measurements
•
The results of every successful measurement are stored
together with the date and time. If there are more than 60
measurements, the oldest measurements are lost.
•
Use the button and then the button to select the desired
user memory. Pressing the +/M button displays the average
value of the 3 most recent measurements stored in the user
memory.
If you continue to press the memory button +/M,
the most recent individual measured values are displayed in
turn with the date and time.
7. Deleting stored values
To delete individual measurements, you must first select them.
Press and hold the memory button +/M until appears in the
display. Then confirm the deletion with the user selection button
( and appear on the display).
To delete measurements from a user memory, you must first
select them. Press the memory button +/M and the average
value of the last 3 saved measurements is displayed. Then press
and hold the memory button +/M again until appears in the
display. Confirm the deletion with the user selection button
( and appear on the display).
8. Error message/troubleshooting
In the event of errors, the error message
_
appears on the
display.
Error messages may appear if:
•
it was not possible to record the pulse: ;
•
you move or speak during the measurement: ;
•
the cuff is fastened too tightly or loosely: ;
•
errors occur during the measurement: ;
•
the pump pressure is higher than 300mmHg: ;
•
the batteries are almost empty .
In such cases, repeat the measurement. Ensure that you do not
move or speak. If necessary, reinsert or replace the batteries.
9. Cleaning and storing the device and cuff
•
Clean the device and cu carefully using a slightly damp
cloth only.
•
Do not use any cleaning agents or solvents.
•
Under no circumstances hold the device and cu under
water, as this can cause liquid to enter and damage the
device and cu.
•
If you store the device and cu, do not place heavy objects
on the device and cu. Remove the batteries.
10. Technical specifications
Model no. SBC 21
Measurement
method
Oscillometric, non-invasive blood pres-
sure measurement on the wrist
Measurement
range
Cuff pressure 0-300 mmHg,
systolic 50-250 mmHg,
diastolic 30-200 mmHg,
pulse 40-180 beats /minute
Display accuracy Systolic ± 3 mmHg, diastolic ± 3 mmHg,
pulse ± 5 % of the value shown
Measurement
inaccuracy
Max. permissible standard deviation
according to clinical testing:
systolic 8 mmHg / diastolic 8 mmHg
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