BC 31 - Blood pressure monitor BEURER - Free user manual and instructions

Frequently Asked Questions - BC 31 BEURER

USER MANUAL BC 31 BEURER

Quelle: WHO, 1999 (World Health Organization)

thank you for choosing one of our products. Our name stands for high-quality, thoroughly tested products for the applications in the areas of heat, weight, blood pressure, body temperature, pulse, gentle therapy, massage and air.

Please read these instructions for use carefully and keep them for later use, be sure to make them accessible to other users and observe the information they contain.

Best regards,

Your Beurer Team

1. Getting to know your instrument

The wrist blood pressure monitor is used for non-invasive measurement and monitoring of adults' arterial blood pressure.

You can use it to measure your blood pressure quickly and easily, storing the results and displaying the progression of readings. A warning is issued for anyone suffering from cardiac arrhythmia.

The recorded values are classified and evaluated graphically.

Keep these instructions carefully for further use and also let other users have access to them.

2. Important information

Signs and symbols

The following symbols are used in these instructions for use, on the packaging and on the type plate for the device and accessories:

	Caution
	Note Note on important information
	Follow instructions for use
	Type BF applied part
- - -	Direct current
	Disposal in accordance with EC Direc- tive – WEEE (Waste Electrical and Elec- tronic Equipment).
	Manufacturer
Storage -20°C 55°C RH ≤95% Operating 5°C 40°C RH ≤90%	Permissible storage temperature and humidity
	Permissible operating temperature and humidity
J	Keep dry
SN	Serial number
CE 0483	The CE labelling certifies that the product complies with the essential requirements of Directive 93/42/EEC on medical products.

Advice on use

• In order to ensure comparable values, always measure your blood pressure at the same time of day.
• Before every measurement, relax for about five minutes.

• If you want to perform several measurements on the same person, wait five minutes between each measurement.

• Do not take a measurement within 30 minutes after eating, drinking, smoking or exercising.

• Repeat the measurement if you are unsure of the measured value.
• The measurements taken by you are for your information only - they are not a substitute for a medical examination! Discuss the measurements with your doctor, and never base any medical decisions on them (e.g. medicines and their administration)!
• Do not use the blood pressure monitor on newborns or patients with preeclampsia. We recommend consulting a doctor before using the blood pressure monitor during pregnancy.
• In the case of restricted circulation on the arm as a result of chronic or acute vascular diseases (including vascular constriction), the accuracy of the wrist measurement is limited. In this case you should avoid using an upper arm blood pressure monitor.
• Cardiovascular diseases may lead to incorrect measurements or have a detrimental effect on measurement accuracy. The same also applies to very low blood pressure, diabetes, circulatory disorders and arrhythmias as well as chills or shaking.
• The blood pressure monitor must not be used in connection with a high-frequency surgical unit.

• Only use the unit on people who have the specified wrist measurement for the device.

• Please note that when inflating, the functions of the limb in question may be impaired.

• During the blood pressure measurement, blood circulation must not be stopped for an unnecessarily long time. If the device malfunctions, remove the cuff from the arm.
• Do not allow sustained pressure in the cuff or frequent measurements. The resulting restriction of the blood flow may cause injury.
• Ensure that the cuff is not placed on an arm in which the arteries or veins are undergoing medical treatment, e.g. intravascular access or therapy, or an arteriovenous (AV) shunt.
• Do not use the cuff on people who have undergone a mastectomy.
• Do not place the cuff over wounds as this may cause further injury.
• The blood pressure monitor can only be operated with batteries.
• To conserve the batteries, the monitor switches off automatically if no buttons are pressed for one minute.
• The device is only intended for the purpose described in these instructions for use. The manufacturer is not liable for damage resulting from improper or careless use.

Storage and Care

• The blood pressure monitor is made up of precision electronic components. Accuracy of readings and the instrument's service life depend on careful hand ling.

• You should protect the device from impact, moisture, dirt, major temperature fluctuations and direct exposure to the sun's rays.

• Never drop the device.

• Do not use near strong electromagnetic fields, i.e. keep it away from any radio systems and mobile phones.

• Only ever use the cuffs provided with the monitor or original replacement cuffs. Otherwise erroneous results will be recorded.

• Do not press any buttons until the cuff is in position.

• If the instrument is not used for any length of time, we recommend removing the batteries.

Notes on handling batteries

• If your skin or eyes come into contact with battery fluid, flush out the affected areas with water and seek medical assistance.
• Choking hazard! Small children may swallow and choke on batteries. Store the batteries out of the reach of small children.

• Observe the plus (+) and minus (-) polarity signs.

• If a battery has leaked, put on protective gloves and clean the battery compartment with a dry cloth.

• Protect the batteries from excessive heat.
• Risk of explosion! Never throw batteries into a fire.
• Do not charge or short-circuit batteries.
• If the device is not to be used for a long period, take the batteries out of the battery compartment.
• Use identical or equivalent battery types only.
  Always replace all batteries at the same time.
• Do not use rechargeable batteries.
• Do not disassemble, split or crush the batteries.

Repair and disposal

• Batteries do not belong in domestic refuse. Used batteries should be disposed of at the collection points provided.
• Never open the instrument. If these instructions are not heeded, the warranty will be null and void.
• Never attempt to repair the instrument or adjust it yourself. We can no longer guarantee perfect functioning if you do.

• Repairs may only be performed by Customer Service or authorized dealers. However, always check the batteries and replace them if necessary prior to making any complaint.

• For environmental reasons, do not dispose of the device in the household waste at the end of its useful

life. Dispos of the unit at a suitable local collection or recycling point. Dispos of the device in accordance with EC Directive - WEEE (Waste Electrical and Electronic Equipment). If you have any questions, please contact the local authorities responsible for waste disposal.

3. Unit description

1. Display
2. Memory button M
3. Wrist cuff
4. START/STOP
5. Battery cover

Icons in the display:

1. Time and date
2. Systolic pressure
3. Diastolic pressure
4. mmHg unit
5. Measured pulse
6. Pulse icon
7. Number of memory space
8. Inflate/deflate arrow
9. "Change battery" icon
   10.Cardiac arrhythmia icon
10. Classification of measurements

4. Prepare measurement

Inserting battery

• Remove the battery cover (left side of the unit).
• Insert two 1.5 V micro batteries (alkaline, type LR 03). Make absolutely sure that you insert the batteries with the correct polarity as marked. Do not use rechargeable batteries.
• Replace the battery cover carefully.

If the "change battery" icon is displayed, measurement is no longer possible and you must replace all the batteries.

Battery disposal

• The empty, completely flat batteries must be disposed of through specially designated collection boxes, recycling points or electronics retailers. You are legally required to dispose of the batteries.
• The codes below are printed on batteries containing harmful substances: Pb = Battery contains lead, Cd = Battery contains cadmium, Hg = Battery contains mercury

Setting date and time

It is vital to set date and time. Only in this way is it possible to save and subsequently retrieve your measured values with the right date and time.

Time is shown in 24 hour format.

Note: If you hold down M, you can set the values faster.

• Press and M simultaneously. The month starts flashing. Using the M button, set the month 1 to 12 and confirm with
• Set the day, hour and minute and confirm in each case with

5. Measuring blood pressure

Please ensure the device is at room temperature before measuring.

Positioning cuff

• Bare your left wrist, making sure that the circulation in the arm is not restricted by any clothes etc. that are too tight. Position the cuff on the inside of your wrist.
• Fasten the cuff with the Velcro fastening so that the upper edge of the monitor is positioned approx. 1 cm below the ball of your thumb.
• The cuff has to be fitted tightly around the wristbut should not constrict it.

Important: The instrument should only be operated with the original cuff.

Correct posture

• Rest for approx. 5 minutes before each measurement. Otherwise there may be divergences.

• You can perform the measurement while sitting or lying. To carry out a blood pressure measurement, make sure you are sitting comfortably with your arms and back leaning on something. Do not cross your legs.

Place your feet flat on the ground. Make sure to rest your arm and move it. Always make sure that the cuff is at heart level. Otherwise significant deviations can occur. Relax your arm and the palm of your hand.

• In order not to distort the result, it is important to keep still during the measurement and not talk.

Measuring blood pressure

• Switch on the blood pressure monitor with the button.
• Before the measurement, the last saved test result is briefly displayed. If there is no measurement in the memory, the instrument always displays the value .
• The cuff automatically inflates. Cuff air pressure is released slowly. If a tendency towards high blood pressure is already detectable, the cuff is pumped up again and cuff pressure increased further. As soon as a heart rate is detected, the heart rate symbol displayed.

• Heart rate, systolic and diastolic blood pressure are displayed.

• You can interrupt measurement at any time by pressing the button.

• Erappears if it has not been possible to perform the measurement properly. Observe the section in these instructions on error messages/troubleshooting and repeat the measurement.
• The test result is saved automatically.

Evaluating results

Cardiac arrhythmia:

This instrument can identify possible cardiac arrhythmia disorders during measurement and if necessary indicates the measurement with the flashing icon (♥)

This may be an indicator for arrhythmia. Arrhythmia is a condition where the heart rhythm is abnormal as a result of defects in the bioelectrical system controlling the heart beat. The symptoms (omitted or premature heart beats, slow or excessively fast heart rate) may be caused, among other things, by heart disease, age, physical predisposition, excessive use of stimulants, stress or lack of sleep. Arrhythmia can only be ascertained through examination by your doctor.

Repeat the measurement if the flashing icon displayed after the measurement. Please note that you should rest for 5 minutes between measurements and not talk or move during the measurement. If the icon appears often, please contact your doctor. Any self-diag

nosis and treatment based on the test results may be dangerous. It is vital to follow your doctor's instructions.

Classification of measurements:

The measurements can be classified and evaluated in accordance with the following table.

However, these standard values serve only as a general guideline, as the individual blood pressure varies in different people and different age groups etc.

It is important to consult your doctor regularly for advice. Your doctor will tell you your individual values for normal blood pressure as well as the value above which your blood pressure is classified as dangerous.

The classification on the display and the scale on the unit show which category the recorded blood pressure values fall into. If the values of systole and diastole fall into two different categories (e.g. systole in the, High normal' category and diastole in the, Normal' category), the graphical classification on the device always shows the higher category; for the example given this would be, High normal'.

Blood pressure value category	Systole (in mmHg)	Diastole (in mmHg)	Action
Setting 3: severe hyper-tension	≥180≥110		seek medical attention
Setting 2: moderate hyper-tension	160–17910	0–109	seek medical attention
Setting 1: mild hyperten-sion	140–15990	–99	regular monitoring by doctor
High normal 130–	13985–89		regular monitoring by doctor
Normal 120–129	80–84 self-monitoring
Optimal <120<80	80 self-monitoring

Source: WHO, 1999 (World Health Organization)

6. Saving, retrieving and deleting results

• The results of each successful measurement are stored together with date and time. With more than 60 items of measured data, the earliest items of data measured are lost.
• In order to retrieve measurement results again, press the memory button M. The instrument first displays the number of memory spaces occupied and then automatically switches to the last saved test result.

If you continue to press the memory button M, the most recent measured values will be displayed with the date, time and graphical graduation.

• You can clear the memory by holding down the memory button M for 3 seconds.

7. Error messages/troubleshooting

In case of faults, the Er_message appears in the display.

Error messages may appear if:

• systolic or diastolic pressure could not be measured (Eer1 appears on the display),
• systolic or diastolic pressure was outside the measurement range (Hor appears on the display),
  the cuff is fastened too tightly or loosely (Eor3 Er4 appears on the display),
• the pump pressure is higher than 300mmHg (Er5 appears on the display),
• pumping up takes longer than 160 seconds (ErB appears on the display),
• there is a system or device error (ErA ErD Er7 ErB appears on the display),
• the batteries are almost empty

In the above cases, you must repeat the measurement.

Reinsert the batteries if necessary, or else replace them.

Technical alarm - description

Should the recorded blood pressure (systolic or diastolic) lie outside the limits specified in the section "Technical specifications", the technical alarm will appear on the display indicating either H_1 or L_1 such cases, you should seek medical assistance and check the accuracy of your procedure.

The limit values for the technical alarm are factory set and cannot be adjusted or deactivated. These alarm limit values are accorded second priority under the standard IEC 60601-1-8.

The technical alarm is a non-locking alarm and must not be reset. The signal shown on the display will disappear automatically after about 8 seconds.

8. Cleaning and Care

• Clean your blood pressure monitor carefully using a slightly damp cloth only.
• 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. BC 31

Measurement method	Oscillometric, non-invasive blood pressure measurement on the wrist
Measurement range	Cuff pressure 0 - 300 mmHg, systolic 60-260 mmHg, diastolic 40 -199 mmHg, Pulse 40 -180 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 60 memory spaces
Dimensions L 84 mm x W 62 mm x H 30 mm
Weight Approx. 112 g (without batteries)
Cuff size 14.0 to 19.5 cm
Permissible oper-ating conditions	+5 °C to +40 °C, ≤ 90 % relative air humidity (non-condensing)
Permissible storageconditions	-20 °C to +55 °C, ≤ 95 % relative air humidity, 800 -1050 hPa ambient pressure
Power supply	2x1,5V — — AAA batteries
Battery life For approx. 180 measurements, depending on the blood pressure level and/or pump pressure
Accessories Instruction for use, 2 x 1.5 V AAA batteries, storage box
Classification Internal supply, continuous operation, type BF applied part, IPX0, no AP or APG

Technical information is subject to change without notification to allow for updates.

• This unit is in line with European Standard EN 60601-1-2 and is subject to particular precautions with regard to electromagnetic compatibility (EMC). Please note that portable and mobile HF communication systems may interfere with this unit. More details can be requested from the stated Customer Service address or found at the end of the instructions for use.
• This device is in line with the EU Medical Devices Directive 93/42/EEC, the "Medizinproduktegesetz" (German Medical Devices Act) and the standards EN 1060-1 (non-invasive sphygmomanometers, Part 1: General requirements), EN 1060-3 (non-invasive sphygmomanometers, Part 3: Supplementary requirements for electro-mechanical blood pressure measur

ing systems) and IEC 80601-2-30 (Medical electrical equipment - Part 2 - 30: Particular requirements for the safety and essential performance of automated noninvasive blood pressure monitors).

• The accuracy of this blood pressure monitor has been carefully checked and developed with regard to a long useful life. If using the device for commercial medical purposes, it must be regularly tested for accuracy by appropriate means. Precise instructions for checking accuracy may be requested from the service address.

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Table 1 For all ME EQUIPMENT and ME SYSTEMS

Guidance and manufacture's declaration - electromagnetic emissions
The BC 31 is intended for use in the electromagnetic environment specified below.The customer or the user of the BC 31 should assure that it is used in such an environment.
Emissions test	Compliance	Electromagnetic environment - guidance
RF emissions CISPR 11	Group 1	The BC 31 uses RF energy only for its internal function. Therefore, its RF emissions are very low and are not likely to cause any interference in nearby electronic equipment.
RF emissions CISPR 11	Class B	The BC 31 is suitable for use in all establishments other than domestic and those directly connected to the public low-voltage power supply net - work that supplies buildings used for domestic purposes.
Harmonic emissions IEC 61000-3-2 Not applicable
Voltage fluctuations/flicker emissions IEC 61000-3-3	Notapplicable

Table 2 For all ME EQUIPMENT and ME SYSTEMS

Guidance and manufacturer's declaration - electromagnetic immunity
The BC 31 is intended for use in the electromagnetic environment specified below.The customer or the user of the BC 31 should assure that it is used in such an environment.
IMMUNITY test	IEC 60601 test level	Compliance level	Electromagnetic environment - guidance
Electrostatic discharge (ESD)IEC 61000-4-2	± 6 kV contact± 8 kV air	± 6 kV contact± 8 kV air	Floors should be wood, concrete or ceramic tile. Iffloors are covered with synthetic material, the relativehumidity should be at least 30 %.
Power frequency (50/60 Hz)magnetic field IEC 61000-4-8	3 A/m 3 A/m		Power frequency magnetic fields should be at levelscharacteristic of a typical location in a typical commer -cial or hospital environment.
NOTE: Ur is the a.c. mains voltage prior to application of the test level.

Table 3 For ME EQUIPMENT and ME SYSTEMS that are not LIFE-SUPPORTING

Guidance and manufacturer's declaration - electromagnetic immunity
The BC 31 is intended for use in the electromagnetic environment specified below.The customer or the user of the BC 31 should assure that it is used in such an environment.
IMMUNITY test	IEC 60601 test level	Compliance level	Electromagnetic environment - guidance
Conducted RFIEC 61000-4-6Radiated RFIEC 61000-4-3	3Vrms150 kHz to80 MHz3V/m80 MHz to2.5 GHz	Not applicable3V/m	Portable and mobile RF communications equipment should be used no closer to any part of the BC 31, including cables, than the recommended separation distance cal - culated from the equation applicable to the frequency of the transmitter.Recommended separation distance:d=1.2 √P 80 MHz to 800 MHzd=2.3 √P 800 MHz to 2.5 GHzWhere P is the maximum output power rating of the transmitter in watts (W) according to the transmitter manufacturer and d is the recommended separation distance in meters (m).Field strengths from fixed RF transmitters, as determined by an electromagnetic site survey,a should be less than the compliance level in each frequency range. bInterference may occur in the vicinity of equipment marked with the following symbol:
NOTE 1 At 80 MHz and 800 MHz, the higher frequency range applies.NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects and people.
aField strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land mobile radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy. To assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field strength in the location in which the BC 31 is used exceeds the applicable RF compliance level above, the BC 31 should be observed to verify normal operation. If abnormal performance is observed, additional measures may be necessary, such as re-orienting or relocating the BC 31. bOver the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.

Table 4 For ME EQUIPMENT and ME SYSTEMS that are not LIFE-SUPPORTING

Recommended separation distances between portable and mobile RF communications equipment and the BC 31
The BC 31 is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user of the BC 31 can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the BC 31 as recommended below, according to the maximum output power of the communications equipment.
Rated maximum output power of transmitter(W)	Separation distance according to frequency of transmitter(m)
	150 kHz to 80 MHzNotapplicable	80 MHz to 800 MHzd = 1.2 √P	800 MHz to 2.5 GHzd = 2.3 √P
0.01 - 0.12 0.23
0.1 - 0.38 0.73
1 - 1.2 2.3
10	-	3.8	7.3
100	-	12	23
For transmitters rated at a maximum output power not listed above, the recommended separation distance d in meters (m) can be determined using the equation applicable to the frequency of the transmitter, where P is the maximum output power rating of the transmitter in watts (W) according to the transmitter manufacturer. NOTE 1 At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies. NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects and people.

BEURER GmbH · Soflinger Str. 218 · 89077 Ulm (Germany)