Error
Possible cause
message
System error
The batteries are
almost empty.
11. Disposal
Repairing and disposing of the device
• Do not repair or adjust the device yourself. Proper operation
can no longer be guaranteed in this case.
• Do not open the device. Failure to comply will invalidate the
warranty.
• Repairs must only be carried out by Customer Services or
authorised retailers. Before making a claim, please check the
batteries first and replace them if necessary.
• For environmental reasons, do not dispose of the
device in the household waste at the end of its useful
life. Dispose of the device at a suitable local collection
or recycling point in your country. Dispose of the device in
accordance with EC Directive – WEEE (Waste Electrical and
Electronic Equipment). If you have any questions, please
contact the local authorities responsible for waste disposal.
Solution
Please contact customer
service.
Insert new batteries into
the device.
Disposing of the batteries
• Empty, completely flat batteries must be disposed of through
specially designated collection boxes, recycling points or
electronics retailers. You are legally required to dispose of
the batteries.
• The codes below are printed on batteries
containing harmful substances:
Pb = Battery contains lead, Cd = Battery contains
cadmium, Hg = Battery contains mercury.
12. Technical specifications
Device
Model no.
Type
Measurement me-
thod
Measurement range
Display accuracy
Measurement uncer-
tainty
32
BM 51
BPM51
Oscillometric, non-invasive
blood pressure measurement
on the upper arm
Cuff pressure 0–300 mmHg,
systolic 60–255 mmHg,
diastolic 40–200 mmHg,
pulse 40 –199 beats/minute
Systolic ± 3 mmHg,
diastolic ± 3 mmHg,
pulse ± 5 % of the value shown
Max. permissible standard deviation
according to clinical testing:
Systolic 8 mmHg /
diastolic 8 mmHg