28
10. Technical specifications
Model No.
BM 27
Measurement
method
Oscillometric, non-invasive blood pres-
sure measurement on the upper arm
Measurement
range
Cuff pressure 0-300 mmHg,
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
inaccuracy
Max. permissible standard deviation
according to clinical testing:
Systolic 8 mmHg /
Diastolic 8 mmHg
Memory
4 x 30 memory spaces
Dimensions
L 112 mm x W 110 mm x H 53 mm
Weight
Approximately 341 g (without batteries,
with cuff)
Cuff size
22 to 42 cm
Permissible opera-
ting conditions
+10°C to +40°C, 10 to 85% relative
humidity (non-condensing)
Permissible sto-
rage conditions
-20°C to +55°C, 10-90% relative humi-
dity, 800-1050 hPa ambient pressure
Power supply
4 x 1.5 V
AA batteries
Battery life
For approx. 300 measurements, depen-
ding on levels of blood pressure and
pump pressure
Classification
Internal supply, IPX0, no AP or APG,
continuous operation, application part
type BF
The serial number is located on the device or in the battery
compartment.
Technical information is subject to change without notifica-
tion to allow for updates.
• This device complies with European Standard EN60601-
1-2 (In accordance with CISPR 11, IEC 61000-4-2, IEC
61000-4-3 and IEC 61000-4-8) and is subject to particular
precautions with regard to electromagnetic compatibility.
Please note that portable and mobile HF communication
systems may interfere with this unit.
• The device complies with the EU Medical Devices
Directive 93/42/EEC, the German Medical Devices Act
(Medizinproduktgesetz) and the standards EN1060-1
(Non-invasive sphygmomanometers – Part 1: General
requirements), EN1060-3 (Non-invasive sphygmoma-
nometers – Part 3: Supplementary requirements for
