iHealth KD-5811BT
iHealth Accu Luminate Arm Blood Pressure Monitor
Model: KD-5811BT
Introduction
The iHealth Accu Luminate Arm Blood Pressure Monitor is designed for accurate and convenient blood pressure measurement at home. This manual provides essential information for the safe and effective use of your device, including setup, operation, maintenance, and troubleshooting.
What's in the Box
Upon opening the package, please verify that all components are present and in good condition:
- 1 x iHealth Accu Luminate Blood Pressure Monitor
- 1 x Large Adult Upper Arm Cuff (fits arms 8.7-16.5 inches)
- 4 x AA Batteries
- 1 x Portable Travel Bag
- 1 x User Manual (this document)

Image: The iHealth Accu Luminate Blood Pressure Monitor, its cuff, four AA batteries, and a storage bag, alongside the product packaging and user manual.
Key Features
- Smart and Accurate Monitoring: Delivers medical-grade accuracy with cuff wrap and motion detection indicators for reliable results.
- Large Tri-Color LCD Display: Features a 4.5-inch screen with green, orange, and red backlights to instantly indicate blood pressure levels according to WHO guidelines.
- Irregular Heartbeat Alert: Detects and alerts for irregular heartbeats, aiding in better heart health tracking.
- Bluetooth Connectivity: Seamlessly syncs with the free iHealth MyVitals app (iOS/Android) for data management and trend tracking.
- Dual-User Support: Stores up to 120 readings for each of two users with unlimited cloud storage via the app.
- Comfortable Cuff: Adjustable large adult upper arm cuff (8.7-16.5 inches) designed for comfort and proper fit.

Image: An overview of the monitor's key features, including detection capabilities, display type, and app integration.

Image: The monitor's tri-color WHO-based indicator, displaying green for optimal/normal, yellow for high-normal/Grade 1 hypertension, and red for Grade 2/3 hypertension.

Image: A close-up view of the monitor's large 4.5-inch LCD screen, highlighting its easy-to-read display with larger fonts.
Setup and First Use
1. Install Batteries
Open the battery compartment on the back of the monitor and insert the four AA batteries, ensuring correct polarity. Close the compartment securely.
2. Cuff Placement
Proper cuff placement is crucial for accurate readings. Ensure the cuff is wrapped snugly around your upper arm, approximately 1-2 cm above the elbow joint, with the air tube running down the center of your arm. The cuff wrap indicator on the monitor will help confirm correct placement.

Image: Visual guide for checking proper cuff positioning before measurement. A constant light indicates correct placement, while a flashing light indicates a cuff error requiring adjustment.
3. Download and Connect to iHealth MyVitals App
For full functionality, including data tracking and sharing, download the free iHealth MyVitals app from the App Store (iOS) or Google Play Store (Android). Ensure your app is updated to version 4.10.0 or above for compatibility with model KD-5811BT.
- Enable Bluetooth on your smartphone.
- Open the iHealth MyVitals app and tap the "+" icon to add a new device.
- Turn off the blood pressure monitor, then press the "M1" or "M2" button to activate Bluetooth for pairing.
- Select the desired device (KD-5811BT) from the list in the app.
- Select the user group (M1 or M2) you wish to bind and upload data to through the app.
- Once connected, you can use the app to manage your readings.

Image: A visual walkthrough of the Bluetooth pairing process between the monitor and the iHealth MyVitals app.
Operating Instructions
Taking a Measurement
- Sit comfortably with your feet flat on the floor, uncrossed.
- Extend your arm with your palm up on a flat surface, ensuring the cuff is at heart level.
- Press the "START/STOP" button to begin the measurement.
- The device will display the latest result for 3 seconds.
- Within 3 seconds, press "M1" or "M2" to select your user group. If no selection is made, it saves to the last used group.
- After 3 seconds, the cuff will automatically inflate for measurement.

Image: A four-step visual guide demonstrating the process of taking a blood pressure reading with the monitor, from proper posture to automatic cuff inflation.
Understanding Display Indicators
- "AL": Shows the average of all readings for the user.
- "01": Shows the most recent reading. Press "M1" repeatedly to browse all readings.
- "A3": Shows the average of the last three readings.
- "120" (example): Press "M1" or "M2" to display the number of stored readings.

Image: An illustration detailing the different indicators on the monitor's screen and their respective meanings for blood pressure values.
App Data Management
The iHealth MyVitals app provides comprehensive tools for managing your health data:
- View real-time results and trends.
- Export your data as CSV, XLS, or PDF to share with your doctor.
- View detailed results and learn more about each measurement.
- Store results in a digital logbook with free cloud service.

Image: Screenshots illustrating the various data management features within the iHealth MyVitals app, including trend charts and sharing options.
Precautions for Accurate Measurement
To ensure the most accurate blood pressure readings, please observe the following precautions:
- Sit for at least 5 minutes before measurement.
- Measure before taking breakfast.
- Measure before going to bed at night.
- Wait at least 1-1.5 minutes between measurements.
- Measure before taking medication in the morning.
- Measure until at least 30 minutes after physical activity.

Image: A visual guide outlining important precautions to take for obtaining accurate blood pressure readings.
Troubleshooting
If you encounter any issues with your iHealth Accu Luminate Blood Pressure Monitor, please refer to the table below for common problems and their solutions:
| Problem | Possible Cause | What To Do? |
|---|---|---|
| Low battery icon displayed | Low battery | Change the batteries. |
| Er 0 | Pressure system is unstable before measurement. | Do not move and try again. |
| Er 1 | Failure to detect systolic pressure. | Do not move and try again. |
| Er 2 | Failure to detect diastolic pressure. | Do not move and try again. |
| Er 3 | Pneumatic system blocked or cuff is too tight during inflation. | Apply the cuff correctly and try again. If the device is still abnormal, please contact the local distributor or the factory. |
| Er 4 | Pneumatic system leakage or cuff is too loose during inflation. | Apply the cuff correctly and try again. If the device is still abnormal, please contact the local distributor or the factory. |
| Er 5 | Cuff pressure above 300 mmHg. | Measure again after five minutes. If the device is still abnormal, please contact the local distributor or the factory. |
| Er 6 | More than three minutes with cuff pressure above 15 mmHg. | Measure again after five minutes. If the device is still abnormal, please contact the local distributor or the factory. |
| Er 7 | Inner memory error. | Reset iOS/Android device. Reset device. Make sure the device and iOS/Android device are away from other electrical equipment. |
| Er 8 | Device parameter checking error. | Reset iOS/Android device. Reset device. Make sure the device and iOS/Android device are away from other electrical equipment. |
| Er A | Pressure sensor parameter error. | Reset iOS/Android device. Reset device. Make sure the device and iOS/Android device are away from other electrical equipment. |
| Bluetooth connection unsuccessful, device is abnormal, or strong EMI is present. | Bluetooth connection unsuccessful, device is abnormal, or strong EMI is present. | Reset iOS/Android device. Reset device. Make sure the device and iOS/Android device are away from other electrical equipment. |
| No response when you press button or load battery. | Incorrect operation or strong EMI. | Take out batteries for five minutes, then reinstall all batteries. |
Table: Common problems, their possible causes, and recommended solutions for the iHealth Accu Luminate Blood Pressure Monitor.
Specifications
| Specification | Detail |
|---|---|
| Product Dimensions | 6.3 x 3.15 x 4.33 inches; 1.19 Pounds (6.3"L x 3.15"W x 4.33"Th) |
| Item Model Number | KD-5811BT |
| Batteries | 4 AA batteries required |
| Date First Available | October 24, 2024 |
| Manufacturer | ANDON HEALTH CO., LTD. |
| ASIN | B0DKT546QM |
| Brand | iHealth |
| Included Components | Bag, Battery, Cuff, Instruction Manual, Monitor |
| Power Source | Battery Powered |
| Display Type | LCD |
| Cuff Size | Large (fits arms 8.7-16.5 inches) |
| Age Range (Description) | Adult |
| UPC | 850044118830 |
Table: Detailed technical specifications for the iHealth Accu Luminate Blood Pressure Monitor.
Warranty and Support
The iHealth Accu Luminate Arm Blood Pressure Monitor comes with a 12-month limited warranty. For any product inquiries, technical assistance, or warranty claims, please contact iHealth's US-based customer support.

Image: Information regarding iHealth's after-sales support, including a 1-year limited warranty and US-based customer service.