HJ 112 Omron Manual

The HJ 112 Omron is a digital blood pressure monitor designed for home use, featuring IntelliSense technology for accurate readings, one-touch operation, hypertension indicator, irregular heartbeat detection, memory storage for multiple users, adjustable cuff, large LCD display, and battery/power adapter operation. 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.

Feature	Description
IntelliSense Technology	Automatic inflation to optimal level for accurate readings
One-Touch Operation	Simple START/STOP button for easy use
Hypertension Indicator	Displays warning symbol if blood pressure is high
Irregular Heartbeat Detection	Detects and displays irregular heartbeat during measurement
Memory Storage	Stores up to 60 readings for multiple users
Adjustable Cuff	Fits arm circumferences 22-32 cm (9-13 inches)
Large LCD Display	Easy-to-read results with date/time stamp
Power Options	4 AA batteries or AC adapter (included)
Automatic Power Off	Conserves battery life when not in use
WHO Classification Indicator	Shows blood pressure classification according to WHO standards

Safety Precautions

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. Do not use during physical exercise or immediately after eating, bathing, or drinking alcohol.
3. Consult physician before use if you have arrhythmia, blood circulation problems, or other medical conditions.
4. Do not modify or disassemble the device.
5. Keep away from electromagnetic fields (microwaves, mobile phones).

WARNING! This device is for home use only, not for clinical diagnosis. Consult healthcare professional for medical decisions.

Setup and Preparation

Prepare device and yourself for accurate measurement.

1. Install batteries: Open battery compartment, insert 4 AA batteries observing polarity.
2. Connect AC adapter: Plug into DC jack and wall outlet (for continuous use).
3. Apply cuff: Wrap cuff on bare upper arm 1-2 cm above elbow, align artery marker with brachial artery.
4. Sit correctly: Sit on chair with back supported, feet flat on floor, arm supported at heart level.
5. Rest: Remain still and quiet for 5 minutes before measurement.

CAUTION! Ensure cuff is not too tight or loose. Tube should run down center of arm.

Specifications

• Measurement Method: Oscillometric method
• Measurement Range: Pressure: 0-299 mmHg, Pulse: 40-180 beats/min
• Accuracy: Pressure: ±3 mmHg, Pulse: ±5% of reading
• Memory: 60 readings with date/time stamp
• Cuff Pressure: Max 299 mmHg
• Display: LCD with backlight
• Power Supply: 4 AA batteries (1.5V) or AC adapter (6V DC)
• Battery Life: Approx. 300 measurements
• Operating Conditions: Temperature: 10°C to 40°C, Humidity: 30% to 85% RH
• Storage Conditions: Temperature: -20°C to 60°C, Humidity: 10% to 95% RH
• Dimensions: Main unit: 121mm (W) × 85mm (H) × 141mm (D)
• Weight: Approx. 300g (without batteries)

Controls and Display

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

Display Symbols: Systolic/Diastolic pressure, Pulse rate, User indicator, Memory full, Battery low, Irregular heartbeat symbol, Hypertension indicator, WHO classification, Date/Time, Error codes.

Settings: Date/Time setup (press SET to enter setting mode), User selection (User 1/User 2), Memory review (press MEMORY to scroll through stored readings).

Taking Measurements

Follow proper procedure for accurate results.

1. Prepare as described in Setup section.
2. Press START/STOP button: Cuff inflates automatically.
3. Remain still: Do not move or talk during measurement.
4. Read results: Systolic, diastolic pressures and pulse rate display after deflation.
5. Interpret symbols: Note hypertension or irregular heartbeat indicators if displayed.
6. Power off: Device turns off automatically after 1 minute.

Tip: Take measurements at same time each day for consistent tracking. Avoid measurements when stressed or anxious.

Memory Function

Store and review past measurements.

1. Select user: Press USER button to choose User 1 or User 2 before measurement.
2. Automatic storage: Readings save automatically after each measurement.
3. Review memory: Press MEMORY button to scroll through stored readings (most recent first).
4. Clear memory: Hold MEMORY button for 3 seconds to clear all readings for current user.
5. Memory full: "FULL" symbol appears when 60 readings stored; old readings overwritten.

Note: Each user has separate 60-reading memory. Date and time stored with each reading.

Care & Maintenance

Proper care ensures device longevity and accuracy.

1. Clean cuff: Use mild soap and damp cloth; air dry completely.
2. Clean unit: Wipe with soft, dry cloth; do not use solvents or abrasives.
3. Store properly: Keep in storage case in cool, dry place away from direct sunlight.
4. Replace batteries: When low battery symbol appears, replace all 4 batteries.
5. Cuff inspection: Check for cracks or leaks periodically; replace if damaged.

CAUTION! Do not immerse unit in water. Do not wash cuff in washing machine. Avoid extreme temperatures.

Regulatory Information

FDA Cleared: For over-the-counter home use. CE Marked: Meets European medical device directives. Manufactured according to ISO 13485 quality standards. Copyright © Omron Healthcare, Inc. For support, visit www.omronhealthcare.com or contact 1-800-634-4350.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No display	Dead batteries	Replace all 4 batteries; ensure proper insertion.
Error code E1	Cuff not attached properly	Check cuff connection; reattach securely.
Error code E2	Cuff pressure error	Ensure cuff not twisted; reposition on arm.
Error code E3	Pulse detection error	Remain still during measurement; reposition cuff.
Inconsistent readings	Improper posture or movement	Sit correctly with arm at heart level; avoid talking/moving.
Cuff does not inflate	Blocked air tube or leak	Check tube for kinks; ensure tight connections.
Memory not working	Battery removal	Memory clears when batteries removed; replace without delay.

Reset: Remove batteries for 1 minute to reset device.

Service: 1-800-634-4350; www.omronhealthcare.com