VEH-500 Visual Electrophysiology

Features:

1. Three-in-one (DC Amplifier, Flash Stimulator, Pattern Stimulator) integrated design, Convertible pattern/flash stimulator
2. Covers all standard ISCEV programs (Pattern VEP, Flash VEP, Pattern ERG, Flash ERG, EOG)
3. Professional dark-toned HMI, Ergonomic user interface
4. Offline Averaging & DSP, Pure digital filtering, Manual rejection
5. Embedded card-size computer, Open-source Linux OS, DICOM support (optional)
6. Multi-color flash source (White/Red/Green/Blue), High-contrast pattern stimulator (>98%)
7. Infrared surveillance camera, Software-controlled motorized chin supporter

Video:

Details

Test Channels	Mode Converter
Flash / Pattern Stimulator	Motorized Chinrest

Professional dark-toned HMI

Offline Averaging & DSP

Specifications

Technical Data
Mainframe
Product Type	All-in-one integrated Single host with few wires and easy to install and use
Subject Placement	Single position The subject is examined at the same location for pattern and flash test
Patient Monitoring	Infrared surveillance camera During pattern / flash / EOG test, the subject’s face can be seen in the software
Chin Supporter	Software controlled motorized chin supporter
Amplifier
Input Impedance	≥1000 MΩ	CMRR	≥115dB
Input Noise	≤4uVpp	A/D Resolution	24 bit
Port	Optical isolated USB 2.0	Power Supply	USB Wire
Filter	Full real time digital filter, band-pass / band-stop / high-pass /l ow-pass, comb filters
Flash Stimulator
Light Source	White, Red, Green, Blue and any of their combination
Flash Luminance	Can produce 30cd · s / m²broad-band white flash in<4ms
Stimuli Mode	Single, Double, String, On / Off, On duration can be adjusted
Bkg Illumination	0-500  cd/m²	Stimuli Frequency	0.01-200Hz
Flash Range	0-100  cd · s/m²	Fixation &EOG	3 Fixation / EOG indicator
Pattern Stimulator
Luminance	0-250  cd/m²	Contrast	>98%
Pattern	Checkerboard, H/V stripes, rectangle, adjustable element angle.
Stimuli Field	Full field, left/right/upper/lower half, up-down/left-right margin; 14 left-top/right-top/left-bottom/right-bottom; horizontal/vertical center, 1/8 center; Center circle with any angle; Field outside center circle with any angle.
Computer System
Computer	Embedded card-size computer
Operational System	Open source Linux, mature &stable.
Software	Self-developed, multiple language UI.
Test Utility	Dark-red illumination; Dark-red screen; Light/dark adaptation timer.
E-report	DICOM protocol (optional); PDF/JPG report export; Network share.

 

Trusted Services:

1. Video chat to check our factory and products.

2. Free online technical support and training.

3. Free online installation support.

4. 1-3 Years quality warranty.

5. Lifetime after sales support.

6. Most products are CE and ISO 13485 certificated.

7. Free input voltage and plug customization for electrical machines. 

8. Fast worldwide shipping, 5-10 working days delivery for most countries. 

9. Partial prepayment is acceptable before shipping.

10. Discount price, non-branded or customized products can be offered for distributors.

We warmly welcome you to directly visit our company in Chongqing, China. Contact us now, and schedule your visit.

Send Inquiry

With more than 20 years experience in ophthalmology, Chongqing Vision Star now has become a professional manufacturer and supplier for ophthalmic and optometry equipment. Our main products include slit lamp, fundus camera, tonometer, OCT machine, AB scan, vision field analyzer, etc. These products are CE and FDA approved. With high technology and artifical intelligence, our ophthalmology diagnostic machines show clear image and accurate results of eyes, helping doctors to provide treatment solution for the patient. The products have been exported to more than 100 countries, and widely praised among our customers. Our company have expert sales team and technician team, provide 1-3 years quality warranty, technical support, and life time after-sales service. We are committed to building a good brand, providing sincere service, and establishing long-term cooperative relationship with our customers. We are glad to have video call with you, introducing our product details to you so that you can know our company and our products better. Please contact us if you are interested in our products.