Veh-500 Visual Electrophysiology Workstation Medical Eye Electroretinography Tests Erg Visual Electrophysiology

• Customization: Available
• Customized: Non-Customized
• Certification: CE
• Model NO.: VEH-500
• Scale: Medium
• Product Type: All-in-One Integrated
• Subject Placement: Single Position
• Patient Monitoring: Infrared Surveillance Camera
• Chin Supporter: Software Controlled Motorized Chin Supporter
• Input Impedance: ≥ 1000 MΩ
• Cmrr: ≥ 115dB
• Input Noise: ≤ 4uvpp
• a/D Resolution: 24 Bit
• USB Port: Optical Isolated USB 2.0
• Power Supply: USB Wire
• Bkg Illumination: 0-500 CD/M2
• Stimuli Frequency: 0.01-200Hz
• Flash Range: 0-100 CD·S/M2
• Fixation & Eog: 3 Fixation/Eog Indicator
• Luminance: 0-250 CD/M2
• Transport Package: Standard Exporting Package
• Specification: Medium
• Trademark: Visionstar
• Origin: Chongqing, China
• Production Capacity: 100 Units/Month

Product Description

VEH-500 VISUAL ELECTROPHYSIOLOGY

 

Technical Specifications
 

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/low-pass, comb filters
Flash Stimulator
Light Source	White, Red, Green, Blue and any of their combination
Flash Luminance	Can produce 30cd·s/m2 broad-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; ¼ 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.

Services

Packaging