17
3.
Specifications
Power
Source:
4
long
life
batteries,
size
AA
The
mode
to
prevent
electric
shock:
The
device
is
powered
by
inside,
low
voltage
source
The
category
to
prevent
electric
shock:
CF
type
patient
‐
part
Display:
Liquid
Crystal
Display
Data
Storage:
EEPROM,
Flash
memory
Data
Transmission:
Infrared
PC
interface:
IrDA
communication
adapter
Computer
requirements:
Windows
XP
+
service
pack
3
Operating
environment:
10
‐
40
°
C
Humidity:
30
‐
85
%
Size:
128x77,
5x45,
5
mm
Weight:
310g
(including
batteries)
Blood
Pressure
measurement
method:
Oscillometric
Data
Storage:
Max
1000
measurements
Blood
Pressure
measurements
range:
30
‐
280
mmHg
Static
accuracy:
±3
mmHg,
or
±
2
%
of
the
measured
value
Measuring
accuracy:
Systolic:
94
out
of
99
comparisons
were
within
5
mmHg
(95%),
in
case
of
33
out
of
33
patients,
2
comparisons
out
of
3
were
within
5
mmHg,
0
out
of
33
patients,
where
none
of
the
measurements
out
of
3
were
within
5
mmHg
Diastolic:
93
out
of
99
comparisons
were
within
5
mmHg
(94%),
in
case
of
32
out
of
33
patients,
2
comparisons
out
of
3
were
within
5
mmHg,
0
out
of
33
patients,
where
none
of
the
measurements
out
of
3
were
within
5
mmHg
Average
difference
from
the
auscultatic
(Korotkov)
measurements:
(systolic
/
diastolic):
0.5/
‐
0.4
mmHg
The
range
of
the
difference
(systolic/diastolic):
2.8/2.8
mmHg
Pressure
sensor:
Piezo
‐
resistive
Inflation:
Automatically
controlled
pump
Safety:
Maximum
inflation
280
mmHg
Deflation:
Automatic
Working
mode
of
the
device:
Continuous