• Start individual measurement access.
• Press and hold the M1 & M2 memory buttons for 5 seconds.
CL and 00 appear on the display.
All the values in the current user memory
are deleted.
The device will then switch off automati-
cally.
7. Error messages/troubleshooting
In the event of errors, the error message E_ appears on the
display.
Error messages may appear if:
• It was not possible to record the pulse: E 1;
• You move or speak during the measurement:: E2 ;
• The cuff is fastened too tightly or loosely: E3;
• Errors occur during the measurement: E4;
• The pump pressure is higher than 300 mmHg: E5;
• 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.
8. Cleaning and storing the device and cuff
• Clean the device and cuff carefully using a slightly damp cloth
only.
• Do not use any cleaning agents or solvents.
• Under no circumstances hold the device and cuff under wa-
ter, as this can cause liquid to enter and damage the device
and cuff.
E6.
23
• If you store the device and cuff, do not place heavy objects
on the device and cuff. Remove the batteries.
9. Technical specifications
Model no.
BC 50
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 inac-
Max. permissible standard deviation
curacy
according to clinical testing:
Systolic 8 mmHg /
Diastolic 8 mmHg
Memory
2 x 60 memory spaces
Dimensions
L 94 mm x W 68 mm x H 20 mm
Weight
Approximately 108 g (without batteries)
Cuff size
135 to 230 mm
Permissible operating
+5 °C to +40 °C, 15-93 % relative hu-
conditions
midity (non-condensing)
Permissible storage
-25 °C to +70 °C, ≤93 % relative humid-
conditions
ity, 700-1050 hPa ambient pressure
Power supply
2 x 1.5V
AAA batteries