• there is a system or unit error (
appears on the display)
• the batteries are almost empty
Technical alarm – description
Should the recorded blood pressure (systolic or diastolic)
lie outside the limits specified in the section "Technical
specifications", the technical alarm will appear on the
display indicating either " " or " Lo " . In such cases, you
should seek medical assistance and check the accuracy
of your procedure.
The limit values for the technical alarm are factory set
and cannot be adjusted or deactivated. These alarm limit
values are accorded second priority under the standard
IEC 60601-1-8.
The technical alarm is a non-locking alarm and must not
be reset. The signal shown on the display will disappear
automatically after about 8 seconds.
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
water, as this can cause liquid to enter and damage the
device and cuff.
,
,
or
28
• 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 28
Measurement
Oscillometric, non-invasive blood
method
pressure measurement on the
wrist
Measurement range
Cuff pressure 0 – 300 mmHg,
Systolic 60-260 mmHg,
Diastolic 40-199 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 devia-
curacy
tion according to clinical testing:
Systolic 8 mmHg /
Diastolic 8 mmHg
Memory
2 x 60 memory spaces
Dimensions
L 83.8 mm x W 59.9 mm x
H 28.6 mm
Weight
Approximately 92 g (without bat-
teries)
Cuff size
140 to 195 mm