Error Messages/Troubleshooting; Cleaning And Storing The Device And Cuff; Technical Specifications - Beurer medical BM 28 Mode D'emploi

8. Error messages/troubleshooting

In the event of errors, the error message _ appears on the
screen.
Error messages may appear if:
• It was not possible to correctly record the pulse:
• No measurement could be taken:
• The cuff is fastened too tightly or loosely:
• Errors occur during the measurement:
• The pump pressure is higher than 300 mmHg:
• There is a system error. If this error message appears,
please contact Customer Services:
• 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 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.
• If you store the device and cuff, do not place heavy ob-
jects on the device and cuff. Remove the batteries. The
cuff line should not be bent sharply.
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10. Technical specifications

Model No. BM 28
Measurement Oscillometric, non-invasive blood pres-
method sure measurement on the upper arm
Measurement Cuff pressure 0-300 mmHg,
range Systolic 50-280 mmHg,
Diastolic 30-200 mmHg,
Pulse 40-199 beats/minute
Display accuracy Systolic ± 3 mmHg,
Diastolic ± 3 mmHg,
Pulse ± 5% of the value shown
Measurement Max. permissible standard deviation
inaccuracy according to clinical testing:
Systolic 8 mmHg /
Diastolic 8 mmHg
Memory 4 x 30 memory spaces
Dimensions L 134 mm x W 103 mm x H 60 mm
Weight Approximately 245,5 g (without batte-
ries and cuff)
Cuff size 22 to 42 cm
Permissible opera- +10°C to +40°C, 15 to 85% relative
ting conditions humidity (non-condensing)