Omron BP 7450 Manual

The Omron BP 7450 is an upper arm blood pressure monitor with IntelliSense technology for accurate and comfortable readings. It features a large, easy-to-read display, memory storage for multiple users, irregular heartbeat detection, hypertension indicator, and body movement detection. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Main Unit, Arm Cuff, AC Adapter, Instruction Manual, Storage Case.

Feature	Description
IntelliSense Technology	Automatically inflates to the optimal pressure for a comfortable reading
Dual User Memory	Stores up to 100 readings for each of two users
Irregular Heartbeat Detection	Detects and displays an icon for irregular heartbeats during measurement
Hypertension Indicator	Displays a warning symbol if your reading is above WHO guidelines
Body Movement Detection	Alerts you if movement is detected during measurement
Large LCD Display	Easy-to-read backlit screen with clear icons
Date & Time Stamp	Records the date and time with each reading
Automatic Power Off	Conserves battery life by turning off after 1 minute of inactivity
AC Adapter Compatible	Can be powered by AC adapter (included) or 4 AA batteries
Cuff Wrap Guide	Ensures proper cuff placement for accurate results

Safety Precautions

Before using the device, read all safety instructions.

1. Do not use the monitor on infants, small children, or persons who cannot express themselves.
2. Do not use the monitor on an arm with an intravenous drip or shunt.
3. Do not use the monitor during dialysis.
4. Do not use the monitor if you have a pre-existing condition that could be aggravated by pressure on the arm.
5. Consult your physician before use if you have an arrhythmia, blood disease, or other circulatory problems.

WARNING! This device is for home use only, not for professional medical use. Do not disassemble or modify the unit.

Parts Identification

Familiarize yourself with the main components of the monitor.

1. Main Unit: Houses the display, control buttons, and internal pump.
2. Arm Cuff: Wraps around your upper arm. Contains the air tube and D-ring.
3. AC Adapter Jack: Located on the side of the unit for connecting the AC adapter.
4. START/STOP Button: Initiates and stops the measurement.
5. MEMORY Button: Accesses stored readings and user selection.
6. TIME SET Button: Sets the date and time.
7. Air Tube: Connects the cuff to the main unit.

CAUTION! Ensure the cuff is the correct size for your arm. Using an improperly sized cuff can lead to inaccurate readings.

Initial Setup

Prepare the monitor for first-time use.

1. Insert Batteries: Open the battery compartment on the back and insert 4 AA batteries, observing polarity.
2. Set Date and Time: Press the TIME SET button and use the MEMORY button to adjust values. Press START/STOP to confirm.
3. Select User: Press the MEMORY button to toggle between User 1 and User 2 icons on the display.
4. Connect the Cuff: Plug the air tube firmly into the port on the side of the main unit.

Tip: For consistent results, take measurements at the same time each day, before meals or medication.

Taking a Measurement

Follow these steps for an accurate reading.

1. Sit comfortably with your feet flat on the floor and back supported.
2. Wrap the cuff around your bare upper arm, 1-2 cm above the elbow. The tube should run down the center of your arm.
3. Secure the cuff snugly using the cloth D-ring. It should be tight enough that only two fingers fit underneath.
4. Rest your arm on a table so the cuff is at heart level. Relax and remain still.
5. Press the START/STOP button. The cuff will inflate automatically.
6. Remain still and quiet until the measurement is complete and the cuff deflates.
7. Your systolic, diastolic, and pulse readings will be displayed.

WARNING! Do not move or talk during the measurement, as this can affect accuracy.

Memory Function

• Viewing Memory: Press the MEMORY button once to see the average of the last three readings. Press again to scroll through individual readings with date and time.
• Clearing Memory: While in memory mode, press and hold the MEMORY button for 3 seconds until "CLR" appears. This clears all readings for the selected user.
• User Selection: The device stores data separately for two users. Ensure the correct user icon (1 or 2) is displayed before taking a measurement.

Understanding the Display

Familiarize yourself with the symbols on the LCD screen.

Symbol	Meaning
Heartbeat Icon (flashing)	Pulse rate is being measured/displayed
Irregular Heartbeat Icon	An irregular rhythm was detected during the measurement
Body Movement Icon	Excessive movement was detected; the reading may be inaccurate
Hypertension Indicator	Systolic reading is 135 mmHg or higher, or diastolic is 85 mmHg or higher (per WHO guidelines)
User 1 / User 2 Icon	Indicates which user profile is active
Battery Icon (low)	Indicates low battery power
Memory Icon	Indicates memory recall mode is active

Care & Maintenance

Unplug the AC adapter and remove batteries before cleaning.

1. Clean the cuff with a soft, dry cloth. Do not wash or immerse in water.
2. Clean the main unit with a soft, slightly damp cloth. Do not use solvents or abrasives.
3. Store the device in its case in a cool, dry place away from direct sunlight and dust.
4. Do not bend or twist the air tube excessively.
5. Replace the cuff if it becomes cracked or damaged.

CAUTION! Never attempt to repair the device yourself. Contact Omron customer service for support.

Error Messages & Troubleshooting

Symptom / Error	Possible Cause	Corrective Action
Display is blank	Dead batteries / No power	Insert new batteries or connect AC adapter.
Err CUF / Err 1	Cuff not attached properly / Air leak	Check cuff connection. Ensure cuff is wrapped correctly and not too loose.
Err 2 / Pulse reading erratic	Body movement during measurement	Remain still and quiet. Retake measurement.
Err 3	Pulse signal too weak or irregular	Ensure cuff is at heart level. Relax for 5 minutes and retry.
Inconsistent readings	Incorrect posture or cuff position	Sit correctly with arm supported at heart level. Re-wrap the cuff.
Memory not displaying	Wrong user selected / Memory cleared	Press MEMORY button to select correct user profile.

Reset: Remove batteries for 1 minute to perform a soft reset.

Specifications

• Measurement Method: Oscillometric
• Measurement Range: Pressure: 0-299 mmHg, Pulse: 40-180 beats/min
• Accuracy: Pressure: ±3 mmHg, Pulse: ±5% of reading
• Memory: 100 readings x 2 users
• Power Source: 4 x AA batteries (1.5V) or AC adapter (6V DC, 600mA)
• Cuff Size: Fits arm circumference 22-32 cm (9-13 inches)
• Dimensions (Main Unit): Approx. 123mm (W) x 85mm (H) x 141mm (D)
• Weight: Approx. 350g (without batteries)
• 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

Warranty & Support

Omron Healthcare, Inc. warrants this device to be free from defects in materials and workmanship for a period of Five (5) Years from the date of purchase when used in accordance with the instructions.

For service under warranty, contact Omron Customer Support. Have your model number (BP 7450) and proof of purchase ready.

Customer Support:
Phone: 1-800-634-4350
Website: www.omronhealthcare.com
Email: [email protected]

This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference.