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Questioned Document Examination System
Model: FM200
Price: $10,000.00
Shipping: To be determined
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| Features |
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- All kind of questioned documents: Used of different kinds of writing instruments, by adding, altering, conceal, forgery and other methods of fade contract, IOUs, real estate contracts, invoices, bills of exchange, checks, bills of lading, passports and so on.
- Various fluorescent encryption securities: checks, stocks, credit cards, stamps and special trademarks
- Identify cards, resident identify cards, temporary residence permits, etc.
- Currency: US Dollars, H.K. Dollars, RMB, etc.
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| Specification |
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Light Source System
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Computerized imaging system with bullet comparison crime lab software. Included microscope software (data acquisition and imaging).
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Main Light Source : 1x 24V/150W Halogen Lamp, with cooling fan, focusing lens, and heat-resistance glass cover
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UVC: short-wave ultraviolet light 254nm, 1x10W
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UVA: long-wave ultraviolet light 365nm, 1x10W
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Upper visible side light: 1x50W, with lamp holder which can adjust position and angle freely, used to check indentation
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Transmitted white light 2x20W
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Excitation Wavelength: 000nm,365nm,450nm,465nm,515nm,530nm,565nm,580nm,900nm
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Receiving Filter: 000nm,415nm,450nm,565nm,700nm,720nm,740nm,800nm,900nm
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Video Camera System
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High sensitive, high resolution 1/3" CCD color digital camera, 650 lines, sensitivity 0.001 Lux, especially sensitive to Near-infrared and visible spectral bands light source.
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Electrical zoom lens, aperture 1.2, zoom ranges 1~30x
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Function
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Fluorescent light source with multi excitation and receiving filter combinations, can exam and compare the different inks used on documents
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Reflect light and receiving filter combination, can exam the reflection and absorption of different wavelengths on different inks.
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Reflect light and receiving filter combination, can exam the transmission of different wavelength infrared light on the different inks.
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Transmit light and receiving filter combination, can exam the transmission of different wavelength infrared light on the different inks
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Reflect side light can exam the scratch, cut marks on documents.
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Transmit light can illuminate from the bottom side to exam the scratch, cut marks on documents.
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Samples to choose light source according to different objects. |
Objects |
Light Source |
Excitation |
Receiving |
Exam |
Distinguish altered or added text by different kinds of ink |
Excitation |
485-550 nm |
700-900 nm |
Alter |
Natural subside text on thermal paper, carbon paper |
Excitation |
480-550 nm |
700-740 nm |
Subside |
Phosphor fingerprint |
Excitation |
480-550 nm |
700-740 nm |
Fluorescent |
Multilayer indentation |
Reflected Light _ Side |
000nm |
900nm |
Indentation |
Text on the black cloth |
Reflected Light _ Side |
000nm |
900nm |
Covered Text |
Text in the Kraftpaper envelopes |
Transmitted Light _ UV |
000nm |
900nm |
Transmit |
Correction Fluid |
Transmitted Light _ UV |
000nm |
900nm |
Alter |
Security Trademark |
UVC |
000nm |
000nm |
Real/False |
Currency Fluorescent |
UVA |
000nm |
000nm |
Fluorescent |
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| Product |
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| Specimen |
Photographs taken using the microscope.
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