Omron Model BP7450 Instruction Manual

The Omron Model BP7450 is an upper arm blood pressure monitor with IntelliSense technology for accurate, comfortable readings. It features a wide-range D-Ring cuff (22-42 cm), hypertension indicator, irregular heartbeat detection, memory storage for up to 100 readings with date/time stamps, body movement detection, and a large backlit display. Powered by 4 AA batteries or AC adapter (optional). Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Safety Precautions 3. Parts Identification 4. Initial Setup 5. Taking a Measurement 6. Memory Function 7. Understanding the Display 8. Care & Maintenance 9. Specifications 10. Troubleshooting 11. Warranty & Support

Features at a Glance

Key components: Main Unit, D-Ring Cuff (22-42 cm), AC Adapter Port, START/STOP Button, Memory Button, Display Panel.

Feature	Description
IntelliSense Technology	Automatically inflates to optimal pressure for comfortable measurement
D-Ring Cuff	Pre-formed cuff for easy self-application (fits arms 22-42 cm)
Hypertension Indicator	Displays warning symbol if systolic/diastolic readings are high
Irregular Heartbeat Detection	Detects and displays symbol for irregular pulse during measurement
100 Memory Storage	Stores up to 100 readings with date and time stamp
Body Movement Detection	Alerts if excessive movement is detected during measurement
Large Backlit Display	Easy-to-read LCD with backlight for low-light conditions
AC Adapter Port	For use with optional AC adapter (model EA11A)
Automatic Power Off	Conserves battery life by turning off after 1 minute of inactivity
WHO Classification Indicator	Color-coded bar graph shows blood pressure category

Safety Precautions

Read all instructions before use. Not for use with infants or without prescription if required.

Do not use on injured or sore arms.
Do not use during dialysis or with intravenous infusion.
Wait at least 5 minutes between measurements on the same person.
Do not use in presence of flammable gases.
Keep device away from children and pets.

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

Parts Identification

Front View: Display, START/STOP Button, Memory Button. Left Side: AC Adapter Port. Cuff: D-Ring, Air Tube, Metal Ring, Marker Line.

Display: Shows systolic/diastolic pressure, pulse, date/time, memory number, and icons.
START/STOP Button: Starts and stops measurement.
Memory Button: Recalls stored readings.
AC Adapter Port: For optional AC adapter connection.
Cuff: Wrap around left upper arm (marker line should align with artery).

CAUTION! Ensure cuff is not twisted and tube is not kinked before measurement.

Initial Setup

Insert batteries or connect AC adapter, set date/time.

Insert Batteries: Open battery compartment, insert 4 AA batteries observing polarity.
Set Date/Time: Press and hold Memory button for 3 seconds until year flashes. Use START/STOP to adjust values, Memory to confirm and move to next setting.
Apply Cuff: Sit quietly for 5 minutes. Place cuff on bare left upper arm 1-2 cm above elbow. Ensure marker line aligns with artery. Secure with D-Ring.
Position Arm: Rest arm on table with cuff at heart level. Sit with back straight, feet flat on floor.

Tip: For most accurate readings, avoid eating, smoking, or exercising 30 minutes before measurement.

Taking a Measurement

Remain still and quiet during measurement.

Press START/STOP: Device inflates automatically. Cuff will tighten then gradually deflate.
Remain Still: Keep arm still and relaxed. Do not talk during measurement.
Reading Displayed: Systolic, diastolic pressure and pulse rate appear on display.
Automatic Storage: Reading is automatically stored with date/time (unless memory is full).
Remove Cuff: Wait for complete deflation, then remove cuff.

Note: If body movement is detected, "MOVE" icon appears. Remain still and measurement will continue.

Memory Function

Stores up to 100 readings. When memory is full, oldest reading is overwritten.

View Memory: Press Memory button to display latest reading. Press again to scroll through previous readings.
Memory Number: Each reading shows memory number (1-100), date, and time.
Clear Memory: To clear all memory, remove batteries for 24 hours or use reset function if available.
Average Reading: Device can display average of last 3 readings taken within last 10 minutes.

Tip: Record readings in a log for your physician. Memory function is for personal tracking only.

Understanding the Display

Icons and their meanings:

Icon	Meaning
Heart with Exclamation	Irregular heartbeat detected
Person Moving	Body movement detected
Battery	Low battery indicator
Clock	Date/time display active
MEM	Memory recall mode active
WHO Bar	Color-coded blood pressure classification

Normal Range: Systolic: 90-119 mmHg, Diastolic: 60-79 mmHg. Hypertension Indicator appears if systolic ≥135 or diastolic ≥85.

Care & Maintenance

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

Storage: Store in cool, dry place away from direct sunlight.
Cuff Cleaning: Wipe with damp cloth and mild detergent. Air dry completely before storage.
Batteries: Replace when low battery icon appears. Remove batteries if device not used for extended period.
Do Not: Disassemble, expose to extreme temperatures, or use abrasive cleaners.

CAUTION! Do not wash cuff in washing machine or use alcohol-based cleaners on display.

Specifications

Measurement Method: Oscillometric
Pressure Range: 0-299 mmHg
Pulse Range: 40-180 beats per minute
Accuracy: Pressure: ±3 mmHg, Pulse: ±5% of reading
Cuff Size: 22-42 cm (8.7-16.5 inches)
Memory: 100 readings with date/time
Power Source: 4 AA batteries or AC adapter (6V DC, 1A)
Battery Life: Approximately 300 measurements
Dimensions: 123mm (W) × 85mm (H) × 141mm (D)
Weight: Approximately 400g (without batteries)

Troubleshooting

Symptom	Possible Cause	Corrective Action
No display	Dead batteries	Replace all 4 AA batteries
Error E1	Cuff not properly attached	Reattach cuff, ensure tube is connected securely
Error E2	Measurement error	Remain still and retake measurement
Error E3	Pulse too weak/irregular	Reposition cuff, relax for 5 minutes, retry
Inaccurate reading	Wrong cuff position	Ensure cuff is at heart level, marker aligned with artery
Memory not working	Memory full/batteries removed	Clear memory by removing batteries for 24 hours
Cuff doesn't inflate	Air leak/tube blockage	Check cuff and tube for damage, ensure connections tight

Reset: Remove batteries for 5 minutes to reset device.

Warranty & Support

Omron Healthcare, Inc. provides 5-year limited warranty from date of purchase. Warranty covers defects in materials/workmanship under normal use. Not covered: Batteries, damage from misuse, unauthorized repair, or commercial use.

Customer Support: 1-800-634-4350 (US), www.omronhealthcare.com

Service Centers: Visit website for authorized service locations.

Disposal: Dispose according to local electronic waste regulations. Remove batteries before disposal.