Microlife BP N1 Basic Blood Pressure Monitor User Manual

The Microlife BP N1 Basic is an automatic upper-arm blood pressure monitor designed for easy, accurate home measurement. It features one-touch operation, a large LCD display, irregular heartbeat detection, 30-memory storage with date and time stamp, WHO blood pressure classification indicator, and an adjustable cuff for arm circumferences 22-32 cm. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Main unit with LCD display, Adjustable upper-arm cuff, Air tube, 4x AA batteries, Instruction manual.

Safety Information

Read all instructions before use. For accurate results and safe operation.

1. Do not use on infants, children, or persons unable to express themselves.
2. Consult your physician before use if you have arrhythmia, pre-eclampsia, or arteriosclerosis.
3. Do not use in areas with high humidity or near flammable gases.
4. Do not inflate cuff when not wrapped around arm.
5. Keep device and accessories away from children.

WARNING! This device is for home use only, not for professional medical diagnosis. Always follow your doctor's instructions regarding blood pressure measurement.

Package Contents

Unpack and verify all items are present.

• Microlife BP N1 Basic Monitor: 1 unit
• Upper-Arm Cuff: 1 piece (pre-formed, adjustable)
• Air Tube: 1 piece (connected to cuff)
• AA Batteries: 4 pieces (1.5V)
• Instruction Manual: 1 copy
• Storage Case: 1 piece (for device and cuff)

CAUTION! Do not use if package is damaged or items are missing. Contact customer service.

Device Overview

Front Panel: LCD Display, START/STOP Button. Side: Battery Compartment. Rear: Air Tube Connector.

LCD Display Symbols: Systolic Pressure, Diastolic Pressure, Pulse Rate, WHO Indicator Bar, Irregular Heartbeat Symbol (IHD), Memory Number, Date & Time, Battery Indicator, Error Symbols.

Cuff: Velcro closure, metal D-ring, artery marker (▲).

Setting Up the Monitor

Prepare the device for first use.

1. Insert Batteries: Open battery compartment, insert 4 AA batteries observing correct polarity (+/-).
2. Set Date & Time: Press and hold START/STOP button for 3 seconds. Use the START/STOP button to adjust values. Press MEMORY button to confirm and move to next setting.
3. Apply Cuff: Sit comfortably. Place cuff on bare upper arm. Artery marker (▲) should align with brachial artery on inner arm. Cuff edge should be 2-3 cm above elbow. Secure with Velcro.
4. Connect Tube: Plug air tube firmly into connector on side of monitor.

Tip: Rest for 5 minutes before first measurement. Avoid talking or moving during setup.

Taking a Measurement

Follow these steps for accurate readings.

1. Position: Sit on chair with back supported, feet flat on floor. Rest arm on table so cuff is at heart level.
2. Wrap Cuff: Ensure correct positioning as described in Setup.
3. Start: Press START/STOP button. Cuff will inflate automatically.
4. Remain Still: Do not move, talk, or tense muscles during measurement.
5. Read Results: After deflation, systolic/diastolic pressure and pulse rate display. WHO indicator shows classification.
6. Store: Reading is automatically stored in memory with time stamp.
7. Power Off: Device turns off automatically after 1 minute.

WARNING! Do not inflate cuff more than once within 2-3 minutes to avoid discomfort or inaccurate readings.

Understanding Results

Interpreting the display.

• Systolic Pressure: Top number (e.g., 120 mmHg).
• Diastolic Pressure: Bottom number (e.g., 80 mmHg).
• Pulse Rate: Beats per minute (e.g., 72 bpm).
• WHO Indicator: Color bar (Green=Optimal/Normal, Yellow=High Normal/Mild, Orange=Moderate, Red=Severe).
• IHD Symbol: Flashes if irregular heartbeat detected during measurement.
• Average: If three readings are taken within 10 minutes, the average of the last three displays automatically.

Note: Single readings may vary. Track trends over time. Consult your physician for interpretation.

Memory Function

Stores last 30 measurements with date and time.

1. View Memory: Press MEMORY button. Most recent reading displays with memory number (e.g., M01).
2. Scroll: Press MEMORY button repeatedly to scroll through all stored readings.
3. Clear Memory: With memory displayed, press and hold MEMORY button for 3 seconds. "CLr" appears and all memory is erased.
4. Exit: Device returns to standby mode automatically after 1 minute.

Tip: Record readings in a log for doctor visits. Memory is retained when batteries are replaced.

Battery Information

Powered by 4 x 1.5V AA batteries (alkaline recommended).

• Battery Life: Approximately 500 measurements.
• Low Battery Indicator: Empty battery symbol appears when power is low.
• Replacement: Open compartment, remove old batteries, insert new ones observing polarity.
• Notes: Remove batteries if device will not be used for extended period. Do not mix old and new batteries.

CAUTION! Use recommended battery type. Do not recharge non-rechargeable batteries. Dispose of batteries properly.

Care & Maintenance

Proper care ensures accuracy and longevity.

1. Cleaning: Wipe monitor and cuff with slightly damp cloth. Do not immerse in water. Do not use solvents.
2. Storage: Keep in provided case in a cool, dry place away from direct sunlight and heat sources.
3. Cuff Care: Do not fold tube sharply. Do not over-tighten Velcro.
4. Inspection: Check cuff and tube for cracks or leaks periodically.

WARNING! Do not attempt to repair or disassemble the device. Contact authorized service.

Troubleshooting

Reset: Remove batteries for 1 minute, then reinsert to reset microcomputer.

Service: For technical support, contact Microlife customer service or visit www.microlife.com. Do not use if device is damaged.