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Yongrow YK-ER3 is a compact 3-lead Holter EKG monitor designed for long-duration personal heart rhythm recording.
Key Features
- 3-channel long-duration EKG recording
- Up to 72 hours of working time
- Compact patch design, approx. 22g
- 980M built-in storage capacity
- App-compatible data export and record management
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Product Overview
A compact 3-lead Holter EKG monitor designed for long-duration dynamic heart rhythm recording.
3-Lead Holter EKG Recording
Yongrow YK-ER3 is designed for 3-lead Holter EKG recording, supporting Leads II, V1, and V5. With 3-channel data collection, it helps capture more detailed heart rhythm information during long-duration recording sessions.
Up to 72 Hours of Long-Duration Recording
YK-ER3 supports up to 72 hours of working time, making it suitable for extended dynamic EKG recording scenarios. It is designed for users who need longer heart rhythm data collection beyond quick short-session checks.
Compact Wearable Patch Design
With a compact patch-style design and a lightweight body of approximately 22g, YK-ER3 is easy to wear during daily activities. Its small form factor helps reduce wearing burden while supporting continuous working mode.
App-Compatible Data Export & Record Management
YK-ER3 supports Bluetooth 5.0 connectivity and includes 980M built-in storage capacity. Users can export EKG data and manage records through the compatible mobile app for easier review and sharing when needed.
Technical Specifications
Model
YK-ER3
Product Type
Compact 3-lead Holter EKG monitor
Lead Type
3-Lead: Leads II, V1, V5
Channel
3-Channel
Recording Type
Long-duration Holter EKG recording
Working Mode
Continuous working mode
Measurement
Heart rate range: 30–300 bpm, ±2 bpm
EKG Performance
Sampling rate: 250Hz, 24bit
Frequency response: 0.67Hz–40Hz, -3dB to +3dB
Input impedance: ≥15MΩ @ 10Hz
Common mode rejection ratio: ≥65dB
System noise: <25μVpp
Storage
Built-in storage capacity: 980M
Design & Protection
Water resistance: IP22
Specifications may vary slightly depending on product version, app version, and actual usage conditions.
Shipping & Delivery
Free Shipping
100% Free Shipping on all orders.
Handling Time
Dispatched within 2 business days.
Delivery Estimate
Arrives in 5–7 business days. Contiguous U.S. only.
Carriers
Shipped via trusted carriers including USPS, UPS, or FedEx.
Exclusions
We currently do not ship to Alaska, Hawaii, P.O. Boxes, or U.S. Territories.
Delivery times are estimates and may vary due to carrier delays, weather conditions, holidays, or other unforeseen circumstances.
Returns & Warranty
7-Day Hassle-Free Returns
Not satisfied? Contact us at support@yongrow.com within 7 days of delivery receipt for a full refund.
Functional Warranty
If your device experiences any functional issues during the warranty period, we will provide a brand-new replacement once the defect is confirmed.
Dedicated Support
Need assistance? Email our support team anytime at support@yongrow.com for quick troubleshooting or return requests.
Please keep your order confirmation and product information for faster support. Warranty and return requests may require proof of purchase and basic troubleshooting information.
Frequently Asked Questions
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The YK-ER3 records three leads—II, V1, and V5—across three channels, providing more ECG information than a single-lead device during ambulatory monitoring.
The rated operating time is at least 72 hours. Actual runtime may vary with battery condition, connectivity, and environmental conditions.
The supplied product sheet lists at least 980M of storage. OTG data export and cloud storage are also supported.
No. Its IP22 rating provides limited protection against dripping water only. Keep the recorder dry and do not use it while showering, swimming, or bathing.
The recorder starts automatically when the leads are connected. It powers off or stops recording approximately three minutes after lead removal.
Don’t worry about any thing, our security experts will install your new system, activate it, and show you how to use it.
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