Model: KD-551
Digital display system
Measuring method: Oscillometric method
Measuring Accuracy: Within ±3mmHg
Cuff pressure range:
0mmHg~300mmHg
Pulse rate range: 40~180/min
Pulse rate accuracy: Within±5%
Power source: 4 x 1.5V AAA batteries
Classification: Internal powered
Equipment Type BF
Pressurisation: Automatic air inflation by
an air pump
Deflation: Automatic exhaust
The expected lifetime of this product is 3 years, under normal usage. This is a class IIA medical device and
fulfils the provisions of the Medical Devices Directive 93/42/EEC.
Blood pressure measurements determined with this device are equivalent to those obtained by a trained
observer using the cuff/stethoscope auscultation method, within the limits prescribed by EU standard
EN1060 non invasive sphygmomanometers.
All components belonging to the pressure measuring system, including accessories: Pump, Valve, LCD,
Cuff, Sensor.
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Specifications
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Troubleshooting
14
15
Automatic standby: To go into standby
mode after 1 minute of non use to save
energy
Battery life: Approx. 500 times
Environmental temperature for operation:
10~40 ºC (50ºF-104ºF)
Environmental temperature for storage:
-20ºC~50 ºC (-4ºF - 122ºF)
Environmental humidity for operation:
≤85% RH
Environmental humidity for storage:
≤85% RH
Transport condition:
Humidity range: Less than ≤85%
Ambient temperature range:
-20ºC -50ºC (-4ºF-122ºF)
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LCD screen shows battery symbol
LCD shows “Er 0”
Pressure system is unstable
before measurement
LCD shows “Er 1”
Systolic pressure detect fail
LCD shows “Er 2”
Diastolic pressure detect fail
Do not move and try again
Abnormality
Reason
Action
The cuff does not inflate or the display
shows low pressure during inflation
LCD screen shows abnormal results
No response when buttons pressed
Pressure loss due to air leakage in
socket or cuff
Cuff is not connected properly
Batteries are low
Cuff is not tight or is positioned
incorrectly
Patient was excited/nervous
or spoke/moved during
measurement
Wrong position
Some interference during inflation
or incorrect operation during
measurement
Incorrect operation
Check the connection between the
socket and monitor
Reconnect the cuff
Change the batteries - refer to the
‘Loading the Batteries’ section
Tighten the cuff and refer to the section
‘setting up your Blood Pressure Monitor’
Re-test. Do not speak and take 2-3 deep
breaths before to relax. Stay calm and
remain steady
Adjust your position - refer to page 5
Refer to the section ‘Using your
Blood Pressure Monitor’
Take out the batteries for a few minutes,
then re-insert them, following directions
in section ‘Loading the Batteries’
