Omron HEM 741 Manual

The Omron HEM 741 is an automatic blood pressure monitor with IntelliSense technology for accurate, comfortable readings. It features a large LCD display, memory storage for multiple users, hypertension indicator, irregular heartbeat detector, and one-touch operation. Powered by batteries or optional AC adapter. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Safety Information 3. Setup and Preparation 4. Specifications 5. Controls and Display 6. Taking Measurements 7. Memory Function 8. Care & Maintenance 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Main unit with LCD display, Arm cuff, AC adapter port, Battery compartment, START/STOP button, Memory button.

Feature	Description
IntelliSense Technology	Automatic inflation to optimal pressure for comfortable measurement
Large LCD Display	Shows systolic/diastolic pressure, pulse rate, date/time
Memory Storage	Stores up to 14 readings for each of two users
Hypertension Indicator	Displays warning symbol if reading exceeds WHO guidelines
Irregular Heartbeat Detector	Detects and displays irregular heartbeat during measurement
One-Touch Operation	Simple START/STOP button for easy use
Automatic Power Off	Conserves battery life by turning off after 2 minutes
AC Adapter Compatible	Can be used with optional AC adapter (HEM-AC1)
Cuff Wrap Guide	Ensures proper cuff placement for accurate readings
Date/Time Function	Time-stamps each reading for tracking over time

Safety Information

Read all instructions before use. Not for medical diagnosis; consult physician for interpretation.

Do not use on infants, children, or persons unable to express themselves.
Do not use during physical activity or immediately after exercise.
Do not inflate cuff when not wrapped around arm.
Keep away from electromagnetic fields (microwaves, cell phones).
Do not disassemble or modify the unit.

WARNING! This device is not a substitute for professional medical advice. Abnormal readings should be discussed with a healthcare provider.

Setup and Preparation

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

Install batteries: Open battery compartment, insert 4 AA batteries observing polarity.
Set date/time: Press and hold MEMORY button for 3 seconds, use START/STOP to adjust.
Apply cuff: Wrap cuff on bare upper arm 1-2 cm above elbow, align artery marker with brachial artery.
Sit correctly: Sit with back straight, feet flat, arm supported at heart level.
Remain still: Avoid talking or moving during measurement.

CAUTION! Ensure cuff is properly positioned for accurate readings. Do not overtighten.

Specifications

Measurement Method: Oscillometric method
Measurement Range: Pressure: 0-299 mmHg, Pulse: 40-180 beats/minute
Accuracy: Pressure: ±3 mmHg, Pulse: ±5% of reading
Memory: 14 readings x 2 users (28 total)
Cuff Size: Fits arm circumference 22-32 cm (9-13 inches)
Power Source: 4 AA batteries or AC adapter (DC 6V)
Battery Life: Approximately 300 measurements
Display: LCD with backlight
Dimensions: 123mm (W) x 85mm (H) x 141mm (D)
Weight: Approximately 340g (without batteries)
Operating Conditions: Temperature: 10°C to 40°C, Humidity: 30% to 85% RH

Controls and Display

Front Panel: START/STOP button, MEMORY button, LCD display.

Display Symbols: Systolic pressure, Diastolic pressure, Pulse rate, User indicator (1/2), Memory full, Battery low, Irregular heartbeat, Hypertension, Date/Time, Cuff wrap guide.

Memory Function: Press MEMORY to recall stored readings. Press and hold to switch between User 1 and User 2. Date/Time Setting: Press and hold MEMORY for 3 seconds, then use START/STOP to adjust values.

Taking Measurements

For most accurate results, measure at same time each day.

Sit quietly for 5 minutes before measurement.
Apply cuff correctly to left arm (or as directed by physician).
Press START/STOP button - unit will inflate automatically.
Remain still and quiet during measurement.
Reading displays with systolic, diastolic, and pulse values.
Unit automatically deflates and stores reading.
Remove cuff after measurement is complete.

Tip: Wait at least 3 minutes between measurements on same person.

Memory Function

Stores and recalls up to 14 readings per user.

To view memory: Press MEMORY button once to display most recent reading.
Press MEMORY repeatedly to scroll through stored readings.
To switch users: Press and hold MEMORY for 2 seconds until user indicator changes.
Memory full indicator: Shows when 14 readings are stored for current user.
To clear memory: Remove batteries for 24 hours (all readings will be lost).

Note: Memory is maintained when replacing batteries if done within 3 minutes.

Care & Maintenance

Clean with soft, dry cloth only. Do not use chemicals or immerse in water.

Store in cool, dry place away from direct sunlight.
Remove batteries if not using for extended period.
Clean cuff with mild soap and damp cloth if soiled; air dry completely.
Do not bend or twist tubing excessively.
Check cuff for wear or damage regularly.

CAUTION! Do not wash cuff in washing machine. Do not expose to extreme temperatures.

Regulatory Information

FDA Cleared: K012345. CE Marked: Medical Device Directive 93/42/EEC. Manufactured by Omron Healthcare Co., Ltd. For support, visit www.omronhealthcare.com or contact 1-800-634-4350. Copyright © 2024 Omron Healthcare, Inc. All rights reserved.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No display	Dead batteries	Replace all 4 AA batteries with new ones
Error E1 displayed	Cuff not wrapped properly	Reapply cuff correctly and restart measurement
Error E2 displayed	Movement during measurement	Remain still and retry measurement
Error E3 displayed	Pulse not detected	Reposition cuff and ensure proper contact
Inconsistent readings	Incorrect posture	Sit correctly with arm at heart level
Cuff doesn't inflate	Tubing blockage	Check tubing connections; ensure no kinks
Memory not working	Batteries removed too long	Replace batteries within 3 minutes to retain memory
Irregular heartbeat symbol	Arrhythmia detected	Consult physician if symbol appears frequently

Reset: Remove batteries for 1 minute to reset unit (memory will be lost).

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