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Rofin Polilight Flare PLUS, Руководство пользователя

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Rofin Polilight Flare PLUS Скачать руководство пользователя страница 13

Polilight Flare Plus 2 manual –

 12

LIGHT APPLICATIONS

Example: Contact impressions such as shoe prints, can be made from dust or dirt being left on, or lifted 
off, a flat surface. Usually side and low angle lighting with a white light produces the best results. The 
Flare+2 has a special 60 x 1 degrees filter, used for enhancing shoeprints, that change the shape of the 
beam from circular to a rectangular line of light. Position the Flare+2 head at an acute angle, with the 
line of light across the surface. Try different colours according to the background colours.

ABSORPTION IMAGING

Differential Absorption

Materials can both reflect and absorb light. Certain materials are better absorbers of specific light 
colours and better reflectors of other colours. Differential absorption is used to reduce background 
interference when attempting to capture fingerprint images.

Example: After either chemical treatment or powdering, fingerprints on multicoloured backgrounds 
may not be able to be fully photographed because of background interference. Colours in the 
background can be eliminated through the use of differential absorption, whereby coloured lighting 
matched to the background can eliminate the background interference.

 

superglue treated fingerprint on money box 

same fingerprint under green light

Содержание Polilight Flare PLUS

Страница 1: ...The brightest hand held battery operated Forensic Light source USER GUIDE Version 3 0 ...

Страница 2: ...N 6 SOS MORSE CODE 6 CONTINUOUS DRIVE 6 SHORT PASS FILTERS 7 DIFFUSER FILTER INSERTION 7 Filter insertion 7 CHARGING 7 Auto Charging DC Charging 7 Mains Charger AC Charging 8 Tripod Mount 9 Decontamination of Flare 2 after use at a scene of crime 9 LIGHT APPLICATIONS 10 INTRODUCTION 10 FLUORESCENCE IMAGING 11 REFLECTION IMAGING 11 Specular Reflection 11 Diffused Reflection 11 ABSORPTION IMAGING 12...

Страница 3: ...ACCESSORIES 18 INTRODUCTION 18 OPTIONAL WAVELENGTH UNITS HEADS INCLUDING INFRA RED OPERATION 18 BAND PASS AND LONG PASS FILTERS 19 BEAM SHAPING FILTERS 19 CONE ALTERINGTYPE 19 SLIT FORMING 19 MAINTENANCE 20 INTRODUCTION 20 CLEANING 20 SPECIFICATIONS AND DEFINITIONS 21 INPUT POWER 21 WEIGHT SPECIFICATION 21 DIMENSIONS 21 LIGHT OUTPUT 21 BATTERY LIFE 21 WATERPROOF 21 OPTICAL OUTPUT BANDS 22 AVAILABL...

Страница 4: ...arger cradles fitter in the carrying case using either the mains supply power unit or from the vehicle battery using the cable provided The Flare 2 is waterproof and can be used down to depths of more than 100 meters 300ft of water However the optics of the UV head are NOT waterproof but are water resistant The unit is controlled using a Reed switch system incorporated in the collar at the base of...

Страница 5: ...e product Polilight Flare 2 is CE compliant STANDARD COMPONENTS The Polilight Flare 2 you receive will be made up of all or some of the components from the list below FLARE 2 UNITS Choose from the following UV 365 415 450 505 530 545 620 white IR 850 940nm available upon request The color of the head indicates the output light color The number on each head indicates the centre wavelength of the li...

Страница 6: ... and white each with a fitted battery Goggles Clear Yellow Orange and Red Mains charger Auto charger with battery holder Carrying Case with charger cable and 4 charger cradles cradles ball mount Beam profile Filters 5 20 50 and 60 x 1 Barrier filters yellow orange and red Optional Instruction Manual CHARGER WITH INDICATOR Which indicates the progress of charging with orange or blue LEDs BALL MOUNT...

Страница 7: ...our times within 3 seconds locks the battery for air travel which can be released by repeating the 4 turns to the left within 3 seconds STROBING SELECTION The strobing feature increases the intensity above the 100 continuous value to 150 This can be used in forensic applications where both the background and the evidence fluoresce In some situations the contrast can be improved compared to continu...

Страница 8: ...0 x 1 degree filters The number printed on the front of the filter holder is the divergence in degrees Inserting the diffusion filter Releasing the diffusion filter CHARGING The carrying case has 4 charger cradles The units inserted into the cradles can be charged using either mains or car battery supplies Two cables are provided one for connection to the mains charger and another for connection t...

Страница 9: ...d to be replaced Since the batteries and the charging is controlled by our intelligent inbuilt charging circuitry the lifetime is maximized With a daily use of 1 2 hours the batteries will last for many years When the battery needs to be replaced it will be possible to refurbish it with a new one you have to send the flashlight to an authorized Servicepartner to get it refurbished Inbuilt Charging...

Страница 10: ... detergent for the rapid and efficient removal of biological materials from sensitive clinical surfaces and instruments prior to disinfection The Battery is submersible in disinfectant such as CAVICIDE or equivalent The Head is submersible in disinfectant such as CAVICIDE or equivalent from base to below output filter Output filter wiped with CAVICIDE or equivalent Polilight Flare 2 Spectra OPERAT...

Страница 11: ...hotoluminescence imaging Reflection imaging using specular and diffused reflection Absorption imaging FILTER 400 750 nm 365 nm WHITE LIGHT BAND GENERAL SEARCHING FOOTPRINTS GENERAL SEARCHING STAINS FINGERPRINTS ULTRAVIOLET BAND 415 nm BLOOD PRINTS SPLATTER GUNSHOT RESIDUE VIOLET BLOOD FILTER 450 nm GENERAL SEARCHING SEMEN UREA FIBRES BLUE 505 nm SUPERGLUE AND NINHYDRIN TREATED PRINTS BLUE GREEN 53...

Страница 12: ...ckground material REFLECTION IMAGING Specular Reflection A surface appears shiny because of specular reflection The surface acts like a mirror and light hitting the surface is reflected away at the same incident angle Untreated fingerprints or shoe prints on shiny surfaces can often be seen when viewed from a suitable angle so that light reflection to the eye or camera from the background is signi...

Страница 13: ...und colours ABSORPTION IMAGING Differential Absorption Materials can both reflect and absorb light Certain materials are better absorbers of specific light colours and better reflectors of other colours Differential absorption is used to reduce background interference when attempting to capture fingerprint images Example After either chemical treatment or powdering fingerprints on multicoloured ba...

Страница 14: ...mmended that all the Polilight bands be used for scanning until the right band shows the best results WARNING Amber goggles should be worn to protect the eyes General Fluorescent Method Very rapid scanning for photoluminescence traces such as transferred fibres paint grease semen and vaginal fluid sweat and urine can be achieved using the UV and 450 heads to scan the general area Light from the 45...

Страница 15: ...e operator wearing amber goggles All marks identified in the initial scanning should be further inspected using the full range of Polilight Flare 2 bands to maximize detail Common fluorescent materials are varnishes printing inks and fluorescent brighteners placed in paper or clothing during manufacture The latter materials usually absorb at the upper end of the UV range 280 to 360 nm and emit in ...

Страница 16: ... daylight that area must be screened Option 3 Treatment with Powders This step is an alternative to the superglue fuming described in Option 4 Superglue Fuming It is up to the fingerprint officers drawing on their experience to decide which method should be used Both steps are applicable to non or semi porous surfaces This manual provides general methods on how to approach a problem and so particu...

Страница 17: ...rs are of much greater sensitivity The best results are obtained using fluorescent stains such as rhodamine 6G Basic yellow 40 Ardox and RAM provided that the material does not absorb the stain as well In the example shown in Figure 6 the view under daylight conditions is on the left and the view when illuminated with Polilight ultraviolet UV or 450 nm and viewed through a 530 nm BP filter is on t...

Страница 18: ...550 or BP565 DFO developed fingerprints Photoluminescence RT 545 nm BP600 or BP610 530 nm OG590 or BP590 505 nm OG550 or BP565 IND Zn developed fingerprints Absorption White light BP530 Photoluminescence RT 505 nm OG550 or BP565 Cyanoacrylate developed and rhodamine 6G stained fingermarks Photoluminescence 530 nm OG590 or BP590 505 nm OG550 or BP565 Cyanoacrylate developed and basic yellow 40 stai...

Страница 19: ...n be purchased These include wavelengths found in the Polilight PL500 Infra red wavelengths 850 and 940nm WARNING The IR is invisible to the naked eye Extra care should be taken when using these wavelengths Example of using IR with IR sensitive camera or night vision goggles Figure 8 is of a dark jumper that under normal light shows a bullet hole but not much else Under IR 850 nm light you can now...

Страница 20: ...hy while using the Polilight These are a OG 515 b OG 550 c OG 590 BEAM SHAPING FILTERS Special filters are available which change the shape of the Flare 2 output beam These filters are attached to the front of the Flare 2 head Available filters are CONE ALTERINGTYPE 5 20 50 Degrees Useful for evenly illuminating large areas SLIT FORMING 60 x 1 Degrees Useful for illuminating surfaces to view shoep...

Страница 21: ...ments can be ordered CLEANING The exterior of the unit can be cleaned with a wet soft cloth dilute mild detergent can be used DO NOT use harsh solvents such as acetone methyl ethyl ketone methylated spirits etc Care should be taken when cleaning the optics of the output end DO NOT use any abrasive material on the optics Use a soft dry cloth MAINTENANCE ...

Страница 22: ...8 Overall length 230 mm 9 055 LIGHT OUTPUT Multiple array Light Emitting Diode 50 000 hours using Lens 5 degrees Continuous operation 100 output 200 min 35 output 1400 min Light output White 3300 Lumens CW output Strobe effect 500 Watt incandescent light equivalent BATTERY LIFE 10 years shelf life and 300 500 complete charge cycles in normal operation WATERPROOF White light unit submersible to 100...

Страница 23: ...sualisation AVAILABLE FILTERS Filter Status Camera filter 50 mm high pass mounted OG550 Optional Accessory Camera filter 50 mm high pass mounted GG475 Optional Accessory Camera filter 50 mm high pass mounted OG515 Optional Accessory Camera filter 50 mm high pass mounted OG590 Optional Accessory Camera filter 50 mm high pass mounted GG490 Optional Accessory Band Pass mounted 50 mm Filter 565 to 40 ...

Страница 24: ...rption of light energy The fluorescence process is fast and fluorescence emission occurs only during the exposure to the excitation light When the excitation light is removed fluorescence emission ceases Fuming Developing latent prints using the fumes from heated cyanoacrylate Goggles Fully wrap around eye protection to be worn by all personnel within 15 m of the operating light source Iodine fumi...

Страница 25: ...ye or spray for enhancing latent prints developed with cyanoacrylate Used on non porous surfaces Superglue Cyanoacrylate used in fuming to develop latent prints UV Ultraviolet light Electromagnetic radiation in the range of 200 nm to 400 nm Wavelength The length of one wave unit Wavelength is the distance between the two nearest points in the same phase of motion Wavelength is inversely proportion...

Страница 26: ......

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