omron blood pressure monitor hem 637 manual

The Omron HEM-637 is a digital automatic blood pressure monitor designed for upper arm measurement. It features IntelliSense technology for accurate readings, a large LCD display with date/time, hypertension indicator, irregular heartbeat detector, memory storage for multiple users, and AC adapter compatibility. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Safety Precautions 3. Parts Identification 4. Specifications 5. Initial Setup 6. Taking a Measurement 7. Memory Function 8. Care & Maintenance 9. Error Messages 10. Regulatory Information 11. Troubleshooting

Features at a Glance

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

Feature	Description
IntelliSense Technology	Automatically inflates to optimal pressure for accurate readings
Hypertension Indicator	Displays warning symbol if reading exceeds WHO guidelines
Irregular Heartbeat Detector	Detects and displays irregular heartbeat during measurement
Memory Function	Stores up to 60 readings with date and time stamp
Large LCD Display	Shows systolic/diastolic pressure, pulse rate, and date/time
AC Adapter Compatible	Can be powered by AC adapter (included) or batteries
User Switch	Allows two users to store readings separately
Automatic Power Off	Conserves battery life by turning off after 1 minute
Cuff Wrapping Guide	Ensures proper cuff placement for accurate results
Date/Time Function	Maintains calendar and clock for time-stamped readings

Safety Precautions

Read all instructions before use. Not for medical diagnosis without professional consultation.

Do not use on infants, children, or persons unable to express themselves.
Do not use during physical movement or immediately after exercise.
Consult physician if readings are consistently abnormal.
Keep device away from electromagnetic interference (mobile phones, microwaves).
Do not disassemble or modify the device.

WARNING! This device is not a substitute for professional medical advice. Seek immediate medical attention for emergency symptoms.

Parts Identification

Front Panel: START/STOP button, MEMORY button, USER button, POWER button.

Display Symbols: Systolic pressure, Diastolic pressure, Pulse rate, Irregular heartbeat symbol, Hypertension indicator, User indicator, Memory full icon, Low battery icon, Date/Time display.

Cuff Components: Arm tube, Metal ring, Velcro fastener, Air tube connector.

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 Capacity: 60 readings (30 per user)
Power Source: 4 x AA batteries or AC adapter (DC 6V)
Operating Conditions: Temperature: 10°C to 40°C, Humidity: 30% to 85% RH
Cuff Size: Fits arm circumference 22-32 cm (9-13 inches)
Dimensions: Main unit: 135mm(W) x 105mm(H) x 45mm(D)
Weight: Approximately 350g (without batteries)

Initial Setup

Prepare device for first use.

Insert batteries: Open battery compartment, insert 4 AA batteries observing polarity.
Set date and time: Press and hold MEMORY button for 3 seconds, use START/STOP to adjust.
Connect cuff: Insert air tube connector into main unit until it clicks.
Test operation: Press POWER button to ensure display activates.

CAUTION! Use only specified AC adapter. Do not mix old and new batteries.

Taking a Measurement

For accurate readings, follow these steps carefully.

Rest for 5 minutes before measurement. Sit comfortably with feet flat on floor.
Apply cuff: Place cuff on bare upper arm 1-2 cm above elbow. Tube should align with artery.
Secure cuff: Wrap snugly but not too tight (should fit one finger underneath).
Position arm: Rest arm on table with cuff at heart level. Relax palm upward.
Start measurement: Press START/STOP button. Cuff will inflate automatically.
Remain still: Do not talk or move during measurement.
Read results: Systolic, diastolic, and pulse rate display when complete.
Record if needed: Press MEMORY to store reading (optional).

Tip: Take measurements at same time each day for consistent tracking.

Memory Function

Store and review past readings.

Select user: Press USER button to toggle between USER 1 and USER 2.
Store reading: After measurement, press MEMORY within 1 minute to save.
Review memory: Press MEMORY repeatedly to scroll through stored readings.
Clear memory: Press and hold USER and MEMORY simultaneously for 3 seconds.
Memory full: "FULL" icon appears when memory capacity is reached.

Note: Each user has separate 30-reading memory. Date and time stored with each reading.

Care & Maintenance

Proper care ensures accurate measurements and long device life.

Clean with soft, dry cloth only. Do not use chemicals or immerse in water.
Store in provided case when not in use. Keep away from direct sunlight.
Remove batteries if device will not be used for 3 months or more.
Replace cuff if it becomes damaged or loses elasticity.
Avoid extreme temperatures and humidity.

CAUTION! Never wash cuff in water or use detergents. Do not bend air tube sharply.

Error Messages

Display	Meaning	Action
E1	Cuff not properly attached	Check cuff connection and retry
E2	Measurement error	Remain still and retry measurement
E3	Pulse rate out of range	Check positioning and retry
E4	Excessive movement detected	Stay still during measurement
E5	Cuff pressure too high	Reposition cuff and retry
Lo	Low battery	Replace all batteries
---	No signal detected	Check cuff placement

Regulatory Information

FDA Cleared: KXXXXXX. CE Marked: Medical Device Directive 93/42/EEC. Manufactured for Omron Healthcare, Inc. Copyright © Omron Healthcare. 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 AA batteries
Inaccurate reading	Improper cuff placement	Reposition cuff at heart level
Cuff doesn't inflate	Air tube not connected	Ensure tube is fully inserted
Error messages appear	Movement during measurement	Remain still and retry
Memory not storing	Memory full	Clear memory or switch users
Irregular heartbeat symbol	Arrhythmia detected	Consult healthcare provider
Hypertension indicator	High reading	Rest and retry; consult doctor if persistent

Reset: Remove batteries for 1 minute to reset device.

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