1. Introducció
The Microlife BP B3 AFIB is an automatic arm blood pressure monitor designed for accurate and reliable measurement of blood pressure at home. This device incorporates Microlife's unique AFIBsens technology, which detects Atrial Fibrillation (AFIB) during blood pressure measurement, allowing for early detection and management of this condition. It also features MAM (Microlife Average Mode) for taking three measurements in quick succession and averaging them for a more reliable result. This manual provides essential information for the safe and effective use of your blood pressure monitor.

Imatge 1: Frontal view of the Microlife BP B3 AFIB Blood Pressure Monitor, showing the large LCD display and control buttons.
2. Informació important de seguretat
Please read this instruction manual carefully before using the device. Keep it in a safe place for future reference. This device is intended for measuring blood pressure and pulse rate in adults. It is not intended for use on infants or children. Consult your doctor before using this device if you have any medical conditions or are taking medication.
- Do not self-diagnose or self-medicate based on measurements. Always consult a healthcare professional.
- Do not use the device in a moving vehicle or on an airplane.
- Mantingueu el dispositiu allunyat de camps electromagnètics forts, com ara telèfons mòbils o forns microones.
- Do not disassemble or attempt to repair the device yourself. Contact authorized service personnel.
- Store the device and cuff in a dry place, away from direct sunlight and extreme temperatures.
- Ensure the cuff size is appropriate for your arm circumference. An incorrect cuff size can lead to inaccurate readings.
3. Components del producte i contingut del paquet
Your Microlife BP B3 AFIB blood pressure monitor package typically includes the following items:
- Microlife BP B3 AFIB Blood Pressure Monitor Unit
- Arm Cuff (standard size, typically 22-42 cm)
- Set of Batteries (AA)
- Manual d'instruccions
- Storage Bag (may vary by package)

Image 2: Contents of the Microlife BP B3 AFIB package, showing the monitor, arm cuff, and packaging.
4. Configuració
4.1. Instal·lació de la bateria
Before first use, install the batteries provided or new AA batteries.
- Obriu la tapa del compartiment de la bateria a la part posterior del dispositiu.
- Insert four (4) AA batteries, ensuring the correct polarity (+ and -) as indicated inside the compartment.
- Tanqueu bé la tapa del compartiment de la bateria.
The low battery indicator will appear on the display when batteries need replacement.
4.2. Connexió del braç
Connect the arm cuff to the monitor unit.
- Localitzeu el connector del tub d'aire al maniguet.
- Insert the air tube connector firmly into the air socket on the left side of the blood pressure monitor unit.

Image 3: The Microlife BP B3 AFIB monitor with the arm cuff connected, ready for use.
5. Instruccions de funcionament
5.1. Abans de prendre una mesura
- Eviteu menjar, fumar o fer exercici durant almenys 30 minuts abans de la mesura.
- Rest for 5-10 minutes in a quiet environment before taking a measurement.
- Ensure your bladder is empty.
- Sit comfortably with your back supported and feet flat on the floor. Do not cross your legs.
- Col·loca el braç sobre una taula de manera que el maneguet quedi a l'alçada del cor.
5.2. Col·locació del maneguet
Proper cuff placement is crucial for accurate readings.
- Traieu-vos la roba cenyida de la part superior del braç.
- Slide the cuff onto your left upper arm so the air tube points towards your forearm.
- La vora inferior del maneguet ha d'estar aproximadament 2-3 cm per sobre de l'articulació del colze.
- Ensure the artery mark on the cuff (if present) is aligned with your brachial artery (inner side of your arm).
- Wrap the cuff snugly around your arm, but not too tightly. You should be able to insert two fingers between the cuff and your arm.

Image 4: An arm with the blood pressure cuff correctly positioned above the elbow, ready for measurement.
5.3. Taking a Measurement (Standard Mode)
- With the cuff correctly placed and you in a relaxed position, press the ON/OFF button (usually marked with a power symbol).
- El maneguet s'inflarà automàticament. No parlis i no parlis durant la mesura.
- Once the measurement is complete, the cuff will deflate, and your systolic pressure, diastolic pressure, and pulse rate will be displayed.
- If AFIB is detected, a specific symbol will appear on the display.
- Premeu el botó ON/OFF button again to turn off the device, or it will automatically shut off after a period of inactivity.
5.4. MAM (Microlife Average Mode)
The MAM mode automatically performs three measurements in quick succession and averages the results. This provides a more reliable blood pressure value, as recommended by doctors.
- To activate MAM mode, press the MAM button (if available) or ensure the MAM symbol is displayed when turning on the device.
- The device will take three measurements with short pauses in between. Remain still and quiet throughout the entire process.
- After the third measurement, the averaged result will be displayed.
5.5. AFIBsens Technology (Atrial Fibrillation Detection)
The Microlife BP B3 AFIB is equipped with AFIBsens technology, which can detect Atrial Fibrillation during blood pressure measurement. If the AFIB symbol appears on the display after a measurement, it indicates that Atrial Fibrillation may have been detected. It is important to note that this device does not diagnose AFIB. If the AFIB symbol appears repeatedly, consult your doctor for further evaluation.
6. Data Management (Memory Function)
The device automatically stores measurement results in its memory. To view mesures anteriors:
- Amb el dispositiu apagat, premeu el botó M button (Memory button).
- The display will show the most recent measurement.
- Premeu el botó M button repeatedly to scroll through older measurements.
Consult the full manual for details on clearing memory or advanced memory functions if available.
7. Manteniment i cura
7.1. Neteja del dispositiu i del maneguet
- Netegeu la unitat del monitor i el braçalet amb un drap suau i sec.
- Si cal, utilitzeu un drap lleugerament sec.ampened with water or a mild cleaning solution. Do not use abrasive cleaners or immerse the device in water.
- Do not wash the cuff. If the cuff becomes soiled, wipe it gently with a damp tela.
7.2. Emmagatzematge
- Store the device and cuff in the provided storage bag or a clean, dry place.
- Avoid storing in direct sunlight, extreme temperatures, or high humidity.
- Si no heu d'utilitzar el dispositiu durant un període prolongat, traieu-ne les piles per evitar fuites.
8. Solució De Problemes
This section addresses common issues you might encounter with your blood pressure monitor.
| Problema | Causa possible | Solució |
|---|---|---|
| El dispositiu no s’encén. | Les piles estan gastades o incorrectament inserides. | Substituïu les piles per unes de noves, assegurant la polaritat correcta. |
| "ERR" or "E" symbol on display. | Cuff not properly connected, movement during measurement, or irregular pulse. | Check cuff connection. Remain still and quiet. If persistent, consult a doctor. |
| Lectures inexactes. | Incorrect cuff placement, wrong cuff size, or not resting before measurement. | Ensure correct cuff placement and size. Rest for 5-10 minutes before measuring. |
| AFIB symbol appears frequently. | Possible detection of Atrial Fibrillation. | This is an indication, not a diagnosis. Consult your doctor for evaluation. |
If you experience issues not listed here or if problems persist, please contact Microlife customer support or your local distributor.
9. Especificacions
- Model: BP B3
- Marca: Microlife
- Mètode de mesura: Oscil·lomètric
- Interval de mesura: Pressió arterial: 20-280 mmHg, Pols: 40-200 batecs/minut
- Precisió: Pressure: ±3 mmHg, Pulse: ±5% of reading
- Font d'alimentació: 4 piles AA de 1.5 V
- Tipus de visualització: LCD
- Memòria: Typically stores multiple measurements (check device for exact capacity)
- Dimensions: Aproximadament 15 x 10 x 6 cm
- Pes: Aproximadament 900 grams (incloses les piles)
- Condicions de funcionament: 10-40 °C (50-104 °F), 15-95% relative humidity (non-condensing)
- Condicions d'emmagatzematge: -20-55 °C (-4-131 °F), 15-95% relative humidity (non-condensing)
10. Garantia i Suport
Microlife products are manufactured to the highest quality standards and come with a manufacturer's warranty. The specific warranty period and terms may vary by region and retailer. Please refer to the warranty card included with your product or visit the official Microlife weblloc per obtenir informació detallada sobre la garantia.
For technical support, service, or questions regarding your Microlife BP B3 AFIB blood pressure monitor, please contact your local Microlife distributor or visit the Microlife official website for contact information and FAQs. Always provide your model number (BP B3) and purchase details when seeking support.
Podeu trobar més informació i suport a www.microlife.com.





