Microlife BP A50 Blood Pressure Monitor User Manual

The Microlife BP A50 is an upper-arm digital blood pressure monitor featuring Microlife's patented AFIB detection technology, which can screen for atrial fibrillation during measurement. It offers one-touch operation, a large LCD display with backlight, memory storage for multiple users, irregular heartbeat detection, WHO classification indicator, and automatic averaging of the last three readings. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Main unit with LCD display, Upper-arm cuff with D-ring, AC adapter, Instruction manual, Storage case.

Safety Information

Read all instructions before use. For accurate measurements and safety.

1. Do not use on infants, children, or persons unable to express themselves.
2. Consult physician before use if you have arrhythmia, pre-eclampsia, or arteriosclerosis.
3. Do not use during or immediately after physical exercise, bathing, eating, or drinking.
4. Wait at least 5 minutes between consecutive measurements on the same person.
5. Do not modify or disassemble the device.

WARNING! This device is for home use only, not for professional medical diagnosis. Always consult your doctor for medical interpretation of readings.

Package Contents

Unpack and verify all components are present.

• Microlife BP A50 Monitor: 1 unit
• Upper-arm Cuff (22-42 cm): 1 piece
• AC Adapter: 1 unit
• Instruction Manual: 1 copy
• Storage Case: 1 piece
• Quick Start Guide: 1 copy

CAUTION! Do not use if any components are damaged. Contact customer service for replacement.

Specifications

• Measurement Method: Oscillometric
• Measurement Range: Pressure: 0-299 mmHg, Pulse: 40-199 beats/min
• Accuracy: Pressure: ±3 mmHg, Pulse: ±5% of reading
• Memory Capacity: 99 readings per user (2 users total)
• Cuff Size: 22-42 cm (arm circumference)
• Power Supply: 4x AA batteries (1.5V) or AC adapter (6V DC)
• Display: LCD with backlight
• Operating Conditions: Temperature: 10°C to 40°C, Humidity: ≤85% RH
• Dimensions: Approx. 135mm (W) x 105mm (H) x 70mm (D)
• Weight: Approx. 300g (without batteries)

Device Overview

Front Panel: START/STOP button, MEMORY button, User Select button (1/2), LCD display. Cuff: D-ring, metal hook, air tube connector.

Display Symbols: User 1/2 indicator, Systolic pressure, Diastolic pressure, Pulse rate, AFIB symbol, Irregular heartbeat symbol, WHO classification bar, Battery indicator, Memory full indicator, Date/Time, Average value indicator.

Buttons: START/STOP (begins/stops measurement), MEMORY (recalls stored readings), User Select (switches between User 1 and User 2).

Initial Setup

Insert batteries or connect AC adapter. Set date and time.

1. Open battery compartment on back; insert 4 AA batteries observing polarity.
2. Press any button to turn on device.
3. Press and hold MEMORY button for 3 seconds to enter setup mode.
4. Use START/STOP to adjust values; MEMORY to confirm and move to next setting.
5. Set date (DD.MM.YYYY), time (24-hour format), and user assignment.

Tip: For most accurate results, measure at the same time each day under consistent conditions.

Taking a Measurement

Proper positioning is critical for accurate readings.

1. Sit comfortably with back supported and feet flat on floor.
2. Rest for 5 minutes before measuring.
3. Wrap cuff on bare upper arm 1-2 cm above elbow.
4. Ensure cuff fits snugly; tube aligns with middle of arm.
5. Press START/STOP button; device will inflate automatically.
6. Remain still and quiet during measurement.
7. Reading displays when measurement complete; cuff deflates automatically.
8. Record reading if desired; device stores automatically.

WARNING! Do not move or talk during measurement. Ensure cuff is at heart level.

Understanding Results

Systolic pressure (top number), Diastolic pressure (bottom number), Pulse rate.

AFIB Symbol: If appears, possible atrial fibrillation detected. Consult physician.

Irregular Heartbeat Symbol: Appears if irregular pulse detected during measurement.

Memory Function

Stores 99 readings each for User 1 and User 2 with date/time stamp.

1. Press MEMORY button to view stored readings.
2. Use START/STOP to scroll through readings.
3. Press User Select button to switch between User 1 and User 2 memory.
4. To clear memory: In memory mode, press and hold MEMORY for 5 seconds until display clears.
5. Automatic average: When three readings taken within 10 minutes, average displays automatically.

Note: Memory full indicator appears when 99 readings stored. Clear memory or overwrite oldest readings.

Care & Maintenance

Clean device with soft, dry cloth only. Do not immerse in water.

1. Remove batteries if device not used for extended period.
2. Store in cool, dry place away from direct sunlight.
3. Clean cuff with mild soap and damp cloth if soiled; air dry completely.
4. Do not expose to extreme temperatures, humidity, or dust.
5. Replace batteries when low battery indicator appears.

CAUTION! Do not use alcohol, solvents, or abrasive cleaners. Do not autoclave or sterilize.

Troubleshooting

Reset: Remove batteries for 1 minute to reset device.

Service: Do not attempt to repair. Contact Microlife customer service or authorized service center.