17
displayed with date, time and graphic WHO classifi-
cation.
• You
can clear the memory by holding down the me-
mory button ‚M‘ for 3 seconds.
7. Error messages/troubleshooting
In case of faults, the ‚Er_‘ message appears in the
display.
Error messages can occur when
• inflation takes longer than 3 minutes (Er6 appears in
the display),
• the cuff is too tight or too loose (Er3 or Er4 appears
in the display),
• the blood-pressure values are unusually high or low
(Er1 or Er2 appears in the display),
• the inflation pressure is higher than 300 mmHg (Er5
appears in the display),
• there is a system or device error (Er0, Er7, Er8, Er9,
ErA or ErB appears in the display)
• the batteries are almost flat; the batteries must be
replaced.
In the above cases, you must repeat the measure-
ment. Make sure that the cuff tube is properly inserted
and that you do not move or talk.
Re-insert the batteries if necessary, or else replace
them.
8. Cleaning and Care
• Clean your blood pressure computer carefully using
only a slightly moistened cloth.
• Do
not use any detergents or solvents.
• Never hold the instrument under water as otherwise
liquid can penetrate and damage the instrument.
• Never place any heavy objects on the instrument.
9. Technical details
Model no. SBC 55
Measurement Oscillating, non-invasive blood
method: pressure measurement
on the
wrist
Measurement range
Pressure 0-300 mmHg, heart
rate 40-180 beats/minute
Precision of Systolic
± 3 mmHg /
pressure reading
diastolic ± 3 mmHg
pulse ± 5% of displayed value
Measurement Max. admissible standard
uncertainty deviation according to clinical
examination: systolic 8 mmHg /
diastolic 8 mmHg
Memory 1 x
60 storable data lines
Dimensions L 82 x W 77 x H 31 mm
Weight Approx. 140 g
Cuff size For a wrist circumference of
approx. 140 to 195 mm
