Microlife BP3NC1-1W Blood Pressure Monitor User Manual

The Microlife BP3NC1-1W is an upper-arm digital blood pressure monitor designed for home use. It features one-touch operation, a large LCD display, irregular heartbeat detection, 60 memory storage with date and time stamp, WHO blood pressure classification indicator, and an adjustable cuff for arm circumferences 22-42 cm. It is clinically validated for accuracy and powered by 4x AA batteries or an optional AC adapter. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Main unit with LCD display, adjustable arm cuff, air tube, AC adapter port, battery compartment, and START/STOP button.

Safety Precautions

Read all instructions before use.

1. Do not use for self-diagnosis or to alter medication without consulting a physician.
2. Do not use on infants, small children, or persons unable to express themselves.
3. Do not use during physical activity or immediately after exercise.
4. Ensure cuff is not applied over clothing and is at heart level.
5. Do not use near strong electromagnetic fields (e.g., microwave ovens, mobile phones).

WARNING! This device is not suitable for persons with arrhythmias or pre-eclampsia. Consult your doctor.

Package Contents

• Microlife BP3NC1-1W Blood Pressure Monitor (main unit)
• Adjustable Arm Cuff with air tube (pre-connected)
• 4 x AA Batteries
• Instruction Manual
• Quick Start Guide
• Storage Case

Note: Inspect contents upon unpacking. Contact retailer if any item is missing or damaged.

Device Overview

Front Panel: LCD Display, START/STOP Button, MEMORY Button, User Select Button (1/2), Date/Time Set Button.

Display Symbols: Systolic Pressure, Diastolic Pressure, Pulse Rate, WHO Indicator (color bars), Irregular Heartbeat Symbol, User Icon, Memory Icon, Battery Icon, Error Symbol.

Side/Back: AC Adapter Socket, Battery Compartment, Cuff Connector.

Initial Setup

Before first use, install batteries and set date/time.

1. Open battery compartment on back; insert 4 AA batteries observing polarity.
2. Press any button to turn unit on. Display will show all symbols briefly.
3. Press and hold the Date/Time button for 3 seconds to enter setting mode.
4. Use START/STOP to change values, MEMORY to move to next field. Set year, month, day, hour, minute.
5. Press Date/Time again to confirm and exit.

Tip: For most accurate readings, rest for 5 minutes before measuring. Avoid caffeine, smoking, and alcohol 30 minutes prior.

Taking a Measurement

1. Sit comfortably on a chair with back support, feet flat on floor.
2. Remove tight clothing from upper arm. Place cuff on bare arm with tube on inner arm, aligned with artery mark.
3. Position cuff edge 2-3 cm above elbow. Cuff should be snug but not tight (allow one finger underneath).
4. Rest arm on table so cuff is at heart level. Relax, do not talk or move.
5. Press the START/STOP button. Cuff will inflate automatically.
6. Remain still until measurement is complete and cuff deflates. Results display with pulse rate.
7. Note the systolic/diastolic values and WHO indicator color.
8. To turn off, press START/STOP again or unit will auto-power-off after 1 minute.

CAUTION! Do not inflate cuff when not wrapped around arm. Do not bend or kink the air tube.

Memory Function

The device stores 60 total measurements (30 per user).

1. Select User: Before measurement, press User button (1 or 2) to choose profile. Corresponding icon appears.
2. After measurement, result is automatically saved with date and time.
3. To recall memory: Press MEMORY button. Display shows average of last 3 readings for selected user.
4. Press MEMORY again to scroll through individual stored readings (most recent first).
5. To clear memory for a user: With device off, press and hold MEMORY and User button simultaneously for 3 seconds until "0" appears.

Understanding Results

WHO Indicator: Color bars on display classify your reading:
Green: Normal (Systolic: <120, Diastolic: <80)
Yellow: Prehypertension (Systolic: 120-139, Diastolic: 80-89)
Orange: Hypertension Stage 1 (Systolic: 140-159, Diastolic: 90-99)
Red: Hypertension Stage 2 (Systolic: ≥160, Diastolic: ≥100)

Irregular Heartbeat Symbol: If this icon flashes during or after measurement, it may indicate an irregular pulse. Consult your physician if it appears frequently.

Note: A single reading is not diagnostic. Track readings over time and share with your doctor.

Care & Maintenance

• Clean cuff with a slightly damp cloth only. Do not immerse in water or use detergents.
• Clean main unit with dry, soft cloth. Do not use solvents.
• Store in provided case in a cool, dry place away from direct sunlight.
• Remove batteries if device will not be used for more than 3 months.
• Replace batteries when low battery icon appears on display.

CAUTION! Do not disassemble or attempt to repair the device. No user-serviceable parts inside.

Specifications

• Measurement Method: Oscillometric
• Measurement Range: Pressure: 0-299 mmHg, Pulse: 40-199 beats/min
• Accuracy: Pressure: ±3 mmHg, Pulse: ±5% of reading
• Cuff Size: 22 - 42 cm arm circumference
• Memory: 60 readings (30 x 2 users) with date/time
• Power Supply: 4 x 1.5V AA batteries or DC 6V AC adapter (optional)
• Auto Power Off: Approx. 1 minute after last operation
• Operating Conditions: 10°C to 40°C, 15% to 90% RH (non-condensing)
• Dimensions (Main Unit): Approx. 123mm (W) x 98mm (H) x 141mm (D)
• Weight (without batteries): Approx. 300g

Troubleshooting

Reset: Remove batteries for 1 minute to reset device to factory settings (memory will be cleared).

Service: For technical support or service, contact Microlife Customer Service or visit www.microlife.com. Do not open the device.