M007 BTTS-II Portable 12-waveband light source
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BTTS-II Portable 12-waveband light source
Purpose A. Excite the fluorescence of many kinds of evidence to discover or develop evidence. B. The background and evidence have different reflectance for different colors. Illuminate the evidence with different colors of the multi-band light sources, different contrast effects will be shown. Record the best contrast effect. Content
Specifications A. General parameter
B. Output band and power
C. Reference table of output band, barrier filter goggles and absorption filter
Method of use A. Built-in battery a. Install the battery case, and wire the battery case to the light source assembly. b. Connect the inlet of the light guide with the light outlet of the light source. c. Switch the power option to "battery", then the light source starts to output light. d. Rotate the knob to select the output wavelength. e. Hold the light outlet of the light guide to illuminate the evidence, or fix the light outlet on the support and illuminate the evidence. f. Wear barrier filter goggles that match the output light to observe the fluorescence. g. Select the absorption filter that matches the output light and install it in front of the lens to photograph the fluorescent image. B. AC power supply a. Wire the AC power to the light source assembly. b. Connect the inlet of the light guide with the light outlet of the light source. c. Switch the power option to "AC", then the light source starts to output light. d. Rotate the knob to select the output wavelength. e. Hold the light outlet of the light guide to illuminate the evidence, or fix the light outlet on the support and illuminate the evidence. f. Wear barrier filter goggles that match the output light to observe the fluorescence. g. Select the absorption filter that matches the output light and install it in front of the lens to photograph the fluorescent image.
Application scope A. Color separation illumination to improve trace contrast a. Method: the multi-band light source can output different colors of light, including red, orange, yellow, cyan, blue and violet. Illuminate the trace with different colors of light. Since the trace and the background have different absorption rates for monochromatic light, the contrast between the trace and the background will change with the change of light. Choose the best contrast effect for photography. b. Special band 415nm: The absorption peak of bloodstains is 415nm. Illuminating bloodstains with 415nm light can deepen the bloodstains color, which is quite effective for developing latent bloodstains on the light surface. Method: illuminate the evidence with 415nm light and white light alternately, and observe the nuance between the two. c. Special band 580nm: The absorption peak of fingerprint developed by ninhydrin is 580nm. Illuminating the fingerprint with 580nm light can deepen the bloodstains color, which is quite effective for developing latent fingerprint on the light surface. B. Excitation of evidence fluorescence a. Illuminate the evidence with the excitation light from the multi-band light source. The evidence transfers part of the excitation light it absorbs into light with longer wavelength, which is fluorescence. b. Choose a suitable absorption filter and view the evidence through the absorption filter. The absorption filter blocks the excitation light but allows the fluorescence to pass through, so the fluorescence of the evidence can be seen. C. Application scope of excitation of evidence fluorescence
Application areas for our products include crime scene investigation, fingerprint collection and development, footprint collection and development, tool marks collection, trace evidence collection, documents examination, forensic medical examination, forensic evidence collection, DNA collection, DNA disinfection, criminal photography, criminal investigation light source, narcotic drugs test, poison test, evidence packaging, evidence marking, crime scene plotting, crime scene protection, human body protection on crime scene.
Our Service We can provide reliable product and service for you.
1. Q: Is it a reliable company? A: Beijing Bulant Police Equipment Co.,Ltd. is a company specialized in forensic product, such as: crime scene investigation, trace detection, fingerprint development and extraction, footprint extraction, micro-evidence extraction, files & documents inspection, gunshots detection, forensic examine, DNA extraction, criminal photograph, forensic light source, alcohol test, traffic scene investigation, drug & poison examine, evidence packaging, consumables in lab, etc.
2. Q: What about the delivery? A: We can offer the door to door services by air or by sea just depend on your actual request. Such as DHL, UPS, TNT, FEDEX…
3. Q: What is the package? A: Aluminum alloy case/carton case/wooden case.
4. Q: Do you have any timely technology supports? A: We have a professional technology supporting team for your timely services. We prepare the technical documents for you, also you can contact us by telephone, webcam, online chat (google talk, MSN, skype, yahoo).
5. Q: What is the payment method? A: T/T, WESTERN UNION, MONEY GRAM, ESCROW, PAYPAL
6. Q: Do you take part in the world exhibition every year? A: Yes, we took part in exhibitions every year since 2008. |
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