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Foster + Freeman VSC 80 User Manual Download Page 17

17 

 

 
 
 

Camera filters 

 

 

off wavelengths that are longer than that of the recommended safe viewing filter may, in some 
circumstances, improve visual contrast. 

 

VSC

®

80: Fluorescence examination (Recommended setting) 

 

 

 

 

 



 

 

 

 
 

 

Colour 

Nominal wavelength (nm) 

LED (10%) 

Camera filter (50%) 

Violet

 

395 

– 440

 

570

 

Blue

 

420 

– 485

 

570

 

Blue-Green

 

450 

– 520

 

570

 

Cyan

 

475 

– 535

 

570

 

Green

 

490 

– 535

 

590

 

Orange

 

540 

– 615

 

630

 

Red

 

600 

– 655

 

695

 

Deep red

 

625 

– 680

 

715 

Far red 

680 

– 750 

850 

White 

420 

– 670 

715 

 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

(0280-14-02) 

Copyright ©  Freeman Ltd 

Summary of Contents for VSC 80

Page 1: ...1 i 0280 H 04 February 2018 VSC 80 Video Spectral Comparator User Manual Hardware...

Page 2: ...his product Please contact one of our offices if you would like to pass on your comments Foster Freeman are pleased to offer advice installation training and on site maintenance worldwide for all of t...

Page 3: ...N BEFORE USING THE EQUIPMENT FOR THE FIRST TIME CONTENTS HARDWARE Page Welcome 4 Main unit 6 Imaging system 8 Light sources 11 Optical filters 15 Document locator V6 TRANS DC 17 Optically variable ink...

Page 4: ...consumables may differ from that shown Safety and Warning Markers PROHIBITED Red markers prohibit certain actions or procedures Disregard of these warnings may pose a health or safety risk to the user...

Page 5: ...a number of harmonised standards Calibration and adjustment This equipment is correctly calibrated and adjusted at the time of manufacture Provided that the equipment is used in accordance with its op...

Page 6: ...g documents of all types The document to be examined is placed on the platen under the canopy and a video image displayed on the monitor The VSC 80 main unit is controlled by the PC system and VSC sof...

Page 7: ...7 Electrical specification The VSC 80 can be operated from a compatible power source specified by Foster Freeman See Quick VSC 80 Main unit DC power DC input 12 V DC 5 A...

Page 8: ...n 12 5 kg Electrical connections See also Quick Start Guide Getting started p 02 1 VSC 80 Main unit Connection sockets 1 DC input 12 V DC 5 A 2 4 2 PC system SS USB 3 0 3 Touchscreen monitor HDMI 4 Co...

Page 9: ...document to be examined is placed on the platen under the canopy and a video image displayed on the monitor Document platen Video camera FULL HD VSC is equipped with high definition imaging cameras o...

Page 10: ...unaided eye into the infrared and ultraviolet Field of view Optical zoom The camera is provided with an optical system consisting of a motorised zoom lens and a supplementary close up lens Camera filt...

Page 11: ...r screen VSC 80 Main image Full resolution Field of view mm Camera image Main image n 1 Optical magnification Monitor screen Maximum Minimum pixels pixels p pixels mm mm Minimum Maximum 24 200 x 112 7...

Page 12: ...VSC software Refer to the relevant User Manual for full details See also Quick Start Guide Replacing the lamps p 03 1 Light emitting diodes LED LED Colour Nominal wavelength nm Bandwidth 10 Peak IR98...

Page 13: ...diodes LED ighting Retro re Software control Illumination modes Transmitted light sources VSC 80 Transmitted light sources White IR850 Transmitted lighting Transmittance contrast Transmitted spot lig...

Page 14: ...th 10 Peak Software control Violet 395 440 410 Blue 420 485 445 Blue Green 450 520 475 Cyan 475 535 500 Green 490 535 525 Orange 540 615 590 Red 600 655 640 Deep red 625 680 660 Far red 680 750 740 Wh...

Page 15: ...Software control 313 x1 254 nm x1 254 nm x1 313 nm x1 313 nm Flash tube VSC 80 Light sources Flash tube Xenon Xe x1 Longpass filter 850 nm Wavelength nm Wavelength nm Gas discharge lamps are designed...

Page 16: ...ss filter is used in the camera viewing path to mimic the response of the unaided eye The optical filters are mounted on filter wheels controlled by the VSC software For normal viewing a shortpass or...

Page 17: ...ontrast VSC 80 Fluorescence examination Recommended setting Colour Nominal wavelength nm LED 10 Camera filter 50 Violet 395 440 570 Blue 420 485 570 Blue Green 450 520 570 Cyan 475 535 570 Green 490 5...

Page 18: ...he Locator is provided with a high friction coating on its underside so that when positioned or re positioned on the document platen it is resistant to incidental movement Using the equipment VSC Docu...

Page 19: ...mparison of the appearance of an OVI feature as viewed by the VSC camera 1 Normally at an angle of 90o to the document 2 By reflection at an angle of about 50o Using the equipment 1 Place the document...

Page 20: ...ed forensic inspection technique for generating visual contrast from a variety of trace materials when normal reflectance or transmittance variations are small The effect was named by Sir George Stoke...

Page 21: ...ent so the MRZ is within the green box at the bottom of the live image e Passport Reader If applicable Some documents contain an RFID Radio Frequency Identification chip Passports that have this chip...

Page 22: ...feature position the document in the VSC magnifying the barcode and adjusting the focus if necessary Click the barcode reader icon to activate and any barcode s should be highlighted The barcode reade...

Page 23: ...rescence or IR Fluorescence 840 1100nm occurs in certain types of security inks and pigments The process differs from normal fluorescence in that the emission undergoes an anti Stokes shift to a wavel...

Page 24: ...24 www fosterfreeman com Head Office UK Sales Office Foster Freeman Ltd Vale Park Evesham WR11 1TD United Kingdom Tel 44 0 1386 768050 Fax 44 0 1386 765351 customersupportteam fosterfreeman com...

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