The Lifesource Ua-789ac Extra Large Cuff Blood Pressure Monitor is a reliable home testing device designed for people with larger arms. With an extra large cuff and a fast inflation motor, it delivers quick, comfortable readings while accommodating arm sizes from 42 cm to 60 cm (16.5″ to 23.6″). This model features irregular heartbeat detection and Heart Wise technology to provide accurate measurements on inflation while reducing noise on deflation. An illuminated start button, large display, three alarms, and a built-in time/date stamp help you stay organized, day after day.
Key benefits
- AccuFit extra large cuff fits arms 42-60 cm (16.5″-23.6″), enabling accurate readings for larger arms without compromising comfort.
- Heart wise technology measures during inflation and filters ambient noise during deflation for clearer results.
- High performance inflation motor speeds up readings, reducing measurement time without sacrificing accuracy.
- AC power adapter included provides reliable power for uninterrupted use, with the option to run on four AA batteries (not included).
- Irregular heartbeat detection ensures BP and pulse rate are captured even if an irregular heartbeat occurs.
- 60 memory recall stores recent readings to help track trends over time.
- Illuminated start button makes operation easy in low-light conditions.
- Time and date with three alarms helps you stay on schedule with measurement reminders.
Ingredients / key components and why they matter
- AccuFit extra large cuff — a larger cuff reduces the risk of under- or over-estimating blood pressure by matching arm circumference for accurate readings.
- Heart Wise technology — designed to measure blood pressure during inflation while filtering out ambient noise on deflation for clearer data.
- High performance inflation motor — ensures a quick, smooth inflation cycle to minimize reading time and improve comfort.
- AC power adapter — provides steady power for consistent operation; alternative use with four AA batteries (not included) when an outlet isn’t available.
- Irregular heartbeat detection — detects rhythm irregularities and provides measurements when present, helping users and caregivers monitor patterns.
Usage tips and who this is for
This model is ideal for adults with larger upper-arm circumference who want a fast, reliable home BP monitor. It’s suitable for users who appreciate a large display, intuitive controls, and the ability to review past readings. Keep the device out of reach of children and follow the included instructions for operation. Safety: if you have a known heart condition or use implanted devices, consult a healthcare professional before relying on home BP readings for medication decisions.
Important: Follow the included product instructions for use, maintenance, and replacement parts. The Ua-789ac uses an extra large cuff and should be operated per the user manual to ensure accurate results.
With the Lifesource Ua-789ac, you gain a dependable, user-friendly monitor designed to meet the needs of individuals with larger arms while delivering consistent, trustworthy measurements at home.
How to use Lifesource Extra Large Cuff Blood Pressure Monitor
A concise guide to getting accurate readings with the XL cuff model, including safety reminders and power options.
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Power on
Connect the AC adapter or insert four AA batteries and press the illuminated start button to begin a measurement.
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Position and cuff fit
Place the cuff on your upper arm so that the artery mark aligns with your artery; ensure the cuff size is appropriate for arm circumference (42-60 cm).
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Take a reading
Stay still and quiet while the device inflates and measures. Read the systolic/diastolic values and pulse rate on the display.
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Review and store
Use memory recall to view recent readings. Note the time and date; use three alarms if you want reminders for measurements.
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Safety and care
Never use the device if you have a condition that requires medical supervision without consulting a professional. Follow all safety instructions and keep out of reach of children.
Frequently Asked Questions
Who should use the Lifesource Ua-789ac Extra Large Cuff Blood Pressure Monitor?
This monitor is ideal for adults with larger upper-arm circumference who need quick, accurate home BP readings. It includes an accufit extra large cuff for arms 42-60 cm (16.5-23.6 in) and irregular heartbeat detection to capture measurements during rhythm variations.
What power options are available?
The unit includes an AC power adapter for constant power and can be used with four AA batteries (not included) if an outlet isn’t available.
What does Heart Wise technology do?
Heart Wise technology measures blood pressure during inflation and filters ambient noise on deflation to provide clearer readings.
How many readings can be stored and how are they accessed?
The monitor has 60 memory recall, allowing you to review recent readings to track trends over time.
Is this safe for users with irregular heartbeats?
Yes, the unit includes irregular heartbeat detection to provide BP and pulse rate data even when an irregular heartbeat occurs.
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