32
Error
message
Possible cause
Solution
System error
Please contact customer
service.
The batteries are
almost empty.
Insert new batteries into
the device.
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.
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.
BM 51
Type
BPM51
Measurement me-
thod
Oscillometric, non-invasive
blood pressure measurement
on the upper arm
Measurement range
Cuff pressure 0–300 mmHg,
systolic 60–255 mmHg,
diastolic 40–200 mmHg,
pulse 40 –199 beats/minute
Display accuracy
Systolic ± 3 mmHg,
diastolic ± 3 mmHg,
pulse ± 5 % of the value shown
Measurement uncer-
tainty
Max. permissible standard deviation
according to clinical testing:
Systolic 8 mmHg /
diastolic 8 mmHg
