The VD - 520+ Ultrasonic Vascular Doppler Detector is designed for detecting animal blood flow, making it a valuable tool for veterinary hospitals. It features a well-designed flat probe with excellent sensitivity, a compact size, and a user-friendly interface.

Key Features — VD-520+

Detecting the blood flow in veins and arteries of animals by 9 MHZ probe
Suitable for detecting anastomosis of animal blood vessels and limbs after surgery
Bar LED cursor to show the blood flow intensity
Offering excellent sound quality with its build-in high-fidelity speaker
Built-in high-capacity rechargeable battery to satisfy the requirements of long-time continuous work
Working mode: continuous work

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Model-specific documentation

Documents for VD-520+

Check the covered model, language and document status before use. The manual supplied with the actual unit remains the controlling reference.

Product datasheet · English

VD-520+ Vet Vascular Doppler Detector product datasheet

Public PDF

HQS datasheet for the VD-520+: product overview, features and the technical specifications published for this model. Confirm the ordered configuration in your quotation.

Product overview
Features
Technical specifications

Covered model: VD-520+
Length: 1 pages
File: PDF · 139 KB
Web copy prepared: 2026-09-25

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Vet Vascular Doppler Detector Specifications

Specification	Value
Ultrasonic frequency	9.0MHz± 10%
Battery and adapter	7.4 V / 900 mAh rechargeable Li-ion battery
Adapter input voltage	AC 100-240 V, 50/60 Hz
Adapter output voltage	DC 9 V / 250 mA
Packing Size	Single Unit Dimension: 242312cm,G W: 1.5kg

Warranty and after-sales service for VD-520+

How HQS handles warranty, spare parts and repairs for this model.

Warranty period: The main-unit warranty varies by model and order. The period that applies is stated in your quotation and order confirmation; please confirm it before purchase.
What is covered: A malfunction caused by a manufacturing or quality defect within the warranty period is repaired free of charge. Consumables and accessories, damage from misuse, and units with an altered or removed serial label are not covered by the main-unit warranty.
Spare parts: Spare parts and technical support are available for at least eight years from the date HQS ships the product.
Response time: Service requests get a first reply within one business day. Please send the serial number, model, main-unit version and a description of the problem.
Repairs in warranty: If a confirmed warranty fault needs a replacement part, HQS ships the part at its own expense, and the faulty part is returned to HQS.
Repairs after warranty: HQS sends a cost-based quotation and proforma invoice first. Repaired parts are tested before they are returned. Technical help by email or phone is free.

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