Omron M3 Instruction Manual

The Omron M3 is an automatic upper arm blood pressure monitor designed for home use. It features IntelliSense technology for comfortable inflation, a large LCD display with backlight, hypertension indicator, irregular heartbeat detector, memory storage for multiple users, and body movement detection. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

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

Safety Information

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

1. Do not use on infants, young children, or persons unable to express themselves.
2. Consult physician before use if you have arrhythmia, poor circulation, or other circulatory disorders.
3. Do not use during dialysis or if you have pre-eclampsia.
4. Do not inflate cuff when not wrapped around arm.
5. Keep device away from children and pets.

WARNING! This device is not a substitute for professional medical diagnosis. Consult your physician for interpretation of results.

Package Contents

Unpack and verify all components are present.

• Main Unit: Omron M3 blood pressure monitor
• Arm Cuff: 22-32 cm circumference with D-ring
• AC Adapter: For powering the device
• Storage Case: For device and accessory storage
• Instruction Manual: This document
• Warranty Card: Product warranty information

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

Device Overview

Front Panel: START/STOP button, MEMORY button, USER button (User 1/User 2), Clock Set button.

Display Symbols: Systolic pressure, Diastolic pressure, Pulse rate, Hypertension indicator, Irregular heartbeat symbol, Body movement detection, Memory full indicator, User indicator, Battery level, Date/Time display.

Rear Panel: AC adapter jack, Cuff connector port, Battery compartment (4 AA batteries).

Before First Use

Prepare device for first measurement.

1. Insert batteries: Open battery compartment, insert 4 AA batteries observing polarity.
2. Set date and time: Press Clock Set button, use START/STOP to adjust values.
3. Connect cuff: Insert cuff tube connector into device port until it clicks.
4. Select user: Press USER button to select User 1 or User 2.

Tip: For most accurate readings, use AC adapter instead of batteries.

Taking a Measurement

For accurate results, follow these steps carefully.

1. Sit comfortably: Rest for 5 minutes before measurement. Sit with back straight, feet flat.
2. Apply cuff: Place cuff on bare upper arm 1-2 cm above elbow. Align artery marker with brachial artery.
3. Position arm: Rest arm on table with cuff at heart level. Relax hand with palm upward.
4. Start measurement: Press START/STOP button. Cuff will inflate automatically.
5. Remain still: Do not move or talk during measurement.
6. Read results: Systolic, diastolic, and pulse rate display when measurement completes.
7. Cuff deflation: Cuff deflates automatically. Remove cuff after measurement.

WARNING! Do not inflate cuff more than once within 2 minutes to allow circulation to return.

Understanding Results

Blood Pressure Classification according to WHO guidelines:

Symbol Indicators: Hypertension symbol appears if systolic ≥ 135 or diastolic ≥ 85. Irregular heartbeat symbol appears if irregular rhythm detected. Body movement symbol appears if excessive movement detected.

Memory Function

Device stores up to 60 readings (30 per user).

1. Select user: Press USER button to choose User 1 or User 2.
2. View memory: Press MEMORY button to scroll through stored readings.
3. Average reading: Last 3 readings taken within 10 minutes are averaged automatically.
4. Clear memory: Hold MEMORY button for 3 seconds to clear current user's memory.

Note: Memory is retained when batteries are removed. Date and time must be reset after battery replacement.

Care & Maintenance

Proper care ensures accurate measurements and device longevity.

• Cleaning: Wipe device with soft, dry cloth. Do not use alcohol, benzene, or abrasive cleaners.
• Cuff care: Hand wash cuff with mild detergent. Air dry completely before use.
• Storage: Store in provided case in cool, dry place away from direct sunlight.
• Batteries: Replace when battery indicator appears. Remove batteries if not using for extended period.
• Service: Have device checked annually for accuracy by authorized service center.

CAUTION! Never immerse device in water or other liquids. Do not disassemble device.

Specifications

• Measurement Method: Oscillometric
• Measurement Range: Pressure: 0-299 mmHg, Pulse: 40-180 beats/minute
• Accuracy: Pressure: ±3 mmHg, Pulse: ±5% of reading
• Cuff Size: 22-32 cm (arm circumference)
• Memory: 60 readings (30 per user)
• Power Source: 4 AA batteries or AC adapter (included)
• Battery Life: Approximately 300 measurements
• Display: LCD with backlight
• Dimensions: 121mm (W) × 85mm (H) × 141mm (D)
• Weight: Approximately 340g (without batteries)
• Operating Conditions: Temperature: 10°C to 40°C, Humidity: 30% to 85% RH

Troubleshooting

Reset: Remove batteries for 1 minute to reset device.

Service: For persistent issues, contact Omron Healthcare at 1-800-634-4350 or visit www.omronhealthcare.com