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ATEX and IEC Ex Flame-proof Explosion Proof Lighting & Equipment
Explosion Proof Lights
Explosion Proof Motors - Motors for Hazardous Locations
Industrial and Vaporproof Emergency Failsafe Lighting
Industrial Cord Reels and Tool Taps
Industrial Work Area Heaters
Machine Vision Lights
Megatower™
QC Series Industrial Portable Lighting - Quick Change Mount
Rig Lights
Stadium lights
String Lights and Temporary Light Stringers
Tank Cleaning Lights
Three Phase Motor Soft Starters
Vapor Proof LED Lights
Variable Frequency Drives (VFDs)
Vehicle Mounting Plates
Workboat Light Fixtures & Lighting Equipment
Yacht Engine Room Lights
Color Changing LED RGB Lighting
Explosion Proof Cord Reels
GOLIGHT Spotlights
Larson FUTURE - Lease Lighting
Remote Area Lighting and Scene Lights
Utility Bucket Mount, Receiver Hitch & Trailer Mount Lighting
Aevum Control Lighting and Equipment - IIoT
Butane and Solvent Extraction Room Lighting and Equipment
DC to DC Transformers and Power Supplies
Explosion Proof Fans & Blowers
Explosion Proof Paint Spray Booth Approved Lights
Explosion Proof String Lights
Explosion Proof Switchgear & Controls
Fleet Service Lights and Lighting Equipment
Industrial Equipment Trailers
Industrial Handlamps & Droplights
ISO 14644/FS-209E Clean Room Lighting
LED Blasting Lights
Night Time Fishing Lights
Portable AC Power Supply Units
Portable Power Distribution Panels
Power Distribution Panels with KVA Transformers
Self-Contained Lighting
Service Pit Lighting
Solar Generators & Solar Powered Lighting
Agricultural Farm Equipment Lighting & Beacons
Explosion Proof Cameras & Surveillance Systems
Explosion Proof Emergency Lights
Explosion Proof Heaters
Garage & Gas Station Canopy Lights
LED Grow Lights
LED Lights
NDT Ultraviolet Lights
Portable Hazardous Location Lighting
Radio Communication Towers and Equipment
Salt Water Processing Equipment
Shelter & Tent Lighting
Thermal Monitoring Cameras and Systems
48V LED Equipment Lights
ATEX Rated Explosion Proof Lights
Automotive Lighting
Class Rated Signals, Alarms, and Systems
Hazardous Location Area Lights and Portable Lighting
HID Equipment Lights
Hot Work Permit Lighting and Equipment
Hunting Lights
Industrial lasers
Industrial Transformers
Light Towers
Outdoor Lighting
Remote Security and Surveillance Systems
Temporary Construction Lights
Vehicle Mounted Spotlights
Equipment & Heavy Machinery LED Light Package Fitouts
Phase Converters - Single to Three Phase
Marine Shore Power Cords and Equipment
24 Volt Military Lights
Disaster Relief / First Responders / Search & Rescue Lighting
Plastic Handcuff Key
110/120 Volt Flood Lights
Post Mount Spotlights
Magnetic Work Lights
Crank-up Light Masts
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Intrinsically Safe Lights
Military Flashlights
LED Waterproof Lanterns
Work Area Lights
12 Volt Flood Lights
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Boat Spotlights
New Boat Lights
HID Boat Lights
Boat Dock Lights
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Remote Control Lights
Control Lights
Tow Lights
Magnetic Control Lights
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NEW Lights and New Products
Evaporative Coolers
Police Equipment
AC/DC Transformers
Power Supplies
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Military Spotlights 24V
Infrared Filters, Covert Covers, and Blackout IR Lenses
Military Equipment
Ultralife Batteries
Remote Control Pan Tilt Base
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Larson Electronics Spotlights
Larson Electronics Parts
Replacement Lamps
Cords - Brackets
Portable Wheeled Generators
Non-Hazardous Location Extension Cords / Plugs / Outlets
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HID Work Lights
HID Dive Lights
HID Off Road Lights
Acro Lights HID Lights
Halogen Lights
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Acro Light Flashlight
Xenon HID Flashlights
Powerlight Flashlight
HID Flashlights
Xenon Flashlights
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LED Status Lights
Forklift Lights
Tractor Lights
HID Post Mount Lights
Roof Mount Lights
Post Mount Light parts
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Flashlight Holder
Magnet Spotlight Base
Tripods-Magnetic Base
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Recharging Spotlights
Fire Rescue Lights
LED Street Lights
Utility Lights
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Hazard Lights
Strobe Lights - Battery Operated
Strobes & Beacons
Strobe Light Bars
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Headlights - Headlamps - Hard Hat Lights
Flashlights
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Suction Mount Lights
Magnetic Spotlights
12/24 Volt Spotlights
Gifts For Men
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New 12 / 24 Volt Lights
Explosion Proof Accessories and Replacement Parts
Explosion Proof Lighting
Explosion Proof Hand Lamps (Drop Lights)
Explosion Proof Lights - Stand/Dolly
Explosion Proof Tank Lights
Explosion Proof Phones and Intercoms
Explosion Proof Extension Cords
Black Friday & Cyber Monday Specials
Crane Lights
Explosion Proof Light Rentals
General Light Rentals
Light Tower and Light Plant Rentals
Power Distribution Rentals
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Power Plant Lighting
Refinery lights
Environmental Services Lights
Aerospace Lights
Chemical Plant Lights
Food Grade Safe Lights
Film and Entertainment Lights
Handheld Meters and Devices
Waste Water Treatment Lights
Mining Lights
Ship Yard Lights
Work Site Lighting
         

   
12/16/10 Using Infrared to Improve Security Systems

Since its development over 50 years ago night vision technology has grown to include a wide range of devices that in some manner or another create the ability to see in what for all practical intents is near or total darkness. Starting out as an active infrared system, early military night vision was little more than an infrared light source coupled with either special goggles that allowed a user to see in the infrared spectrum or an infrared sensitive electronic scope or screen that produced images using the light emitted by the infrared light source. These types of night vision systems are known as active infrared because they rely on an artificial source of infrared light to produce visible images. This sort of system lost favor with the military quickly however as it became easy for anyone with the proper equipment to view the infrared light source as well and adversaries were fast to take advantage.

The next step in night vision came with the development of passive night vision technology which basically takes any available light and electronically amplifies it to produce an image on a screen. This is known as light amplification night vision and it quickly became the dominant form of night vision as it is not so easily detected and preserves the covert abilities that make night vision so valuable. Passive night vision quickly went through several advancements and each represented what came to be known as generations of device technology. Each successive generation represents an improvement in the equipments ability to gather and amplify light and thus produce ever sharper and more detailed images. Currently, 4th generation night vision represents the highest order of this technology and remains controlled at the federal level, making it difficult for civilians to obtain such equipment. This has led to earlier generations such as 1st gen and 2nd gen becoming prevalent in the civilian sector. Although not as powerful or effective as 4th generation night vision technology, these earlier generations are still quite effective for use in the less demanding civilian sector.

Another more recent development has led to an even better option for those in the civilian sector who wish to procure their own night vision technology. Charge-coupled devices or “CCDs” have become the dominant type of technology used in digital cameras today. These devices basically take information in the form of light and convert it into electronic data which is manipulated within the electronics of the device to form an image which can be displayed or stored digitally. A side effect of the CCD is that in most applications they are sensitive to a wider range of the light spectrum than the human eye, meaning that light in the infrared and near infrared end of the light spectrum which is normally invisible to the human eye is very much visible to a CCD device. This is interesting because it means that most cameras and image producing devices which utilize a CCD can in effect be used as a type of night vision device as well.

The implications are obvious. If a business currently has a system of cameras installed for security purposes, it is very possible they can gain further benefit by adding an infrared light source to the system. The effect would be to create a security system that not only is effective during daylight hours, but capable of producing detailed images at night as well without any source of visible light. Of course, not all CCD devices are capable of taking advantage of infrared light. Some of these devices are equipped with filters that prevent light in the infrared spectrum from being processed for various quality and feature reasons. Should a person desire to find out if their camera is capable of detecting infrared light, they can either contact the manufacturer, or in many cases simply point an infrared device such as a remote control at the camera to see if the infrared light it emits is picked up.

One of the beneficial aspects of infrared lighting as it pertains to night vision technology is that almost all types of night vision technology except thermal imaging can benefit from an external infrared light source. Since most night vision devices rely on some form of CCD to produce images, the addition of an infrared light source can greatly improve the range and resolution of the device by adding more detectable light energy for the device to “see”. This is why so much of the night vision capable security cameras on the market today are being packaged with integral infrared light emitters. Usually arrayed in a circle around the camera lens, these emitters are generally LEDs that emit their light only in the infrared spectrum. The net effect is that invisible infrared light is directed wherever the camera is pointed, allowing the camera to produce images regardless of the ambient light levels.

Although generally effective, these camera/infrared light systems are limited in their range and resolution. Most of this limitation stems from the limited amount of infrared light they produce.  These limits can be greatly expanded however by the addition of another external infrared light source such as a Larson Electronics LEDLB-20-IR IR Emitter Light Bar. Just like with normal visible light, increasing the amount of infrared light effectively creates a greater amount of illumination that is visible to the camera. With more light available, the cameras effective range and resolution is improved, expanding its field of view and effectiveness.  This type of setup has proven extremely effective and is used extensively both in military and civilian applications. One of the best benefits to be had from this sort of supplemental infrared lighting is that it requires little to no modification of existing monitoring systems. Users can potentially improve, or even create night vision capability within their existing monitoring systems without the need to replace any of their existing hardware.

Business and companies interested in such upgrades and modifications should check with the manufacturer of their systems before beginning any such additions to their systems. Although it is not guaranteed that their systems are able to take advantage of an additional infrared light source, the mere fact that their system probably relies on CCD technology makes it likely. The savings in costs and increased effectiveness of their systems makes such an inquiry not only worthwhile, but just plain good sense.





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Category/Product (click on link below for more information)
Infrared Filters, Covert Covers, and Blackout IR Lenses
Infrared LED Lights
Infrared LED Lights
Trunnion Mount Infrared LED Lights
Surface Mount Infrared LED Lights
Magnetic Mount Infrared LED Lights
Surface Mount Infrared LED Lights to 100 Watts
Magnetic Mount Infrared LED Lights to 100 Watts
Magnetic Mount Infrared LED Lights to 200 Watts
Magnetic Mount Infrared LED Lights to 300 Watts
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Trunnion Mount Infrared LED Lights to 300 Watts
Trunnion Mount Infrared LED 300 to 1000 Watts
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GL-15007 Covert Infrared Lens for Golight Radioray 2XXX, 7XXX and 5XXX Model Spotlights
GL-15007 Covert Infrared Lens for Golight Radioray Remote Control Spotlight
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Infrared lens for Golight Profiler II - GL-81007
HLC-IR Infrared Headlight Covers Black Out Visible Light for Military Humvees
Infrared Blackout Lens for HML-6M and 1870 Series 12/24 VDC HID Spotlights and Floodlights
Infrared Lens Filter - Coated Borosilicate - 850nm Cut Off for RL-11 HID Spotlight - LENS ONLY
ATX-Infrared Lens for Xenide HID flashlights for blocking visible light
Infrared Black Out Lens Cover for Larson Electronics and ControLights - HML-5M-IR-850
Covert Infrared Blackout Cover for Roof Mount and Post Mount Lights
Covert Infrared Cover for RL-14 - Snap On/Off - 850nm Cut off Blocks All Visible Light
Infrared IR Emitter Bar - 120 watts - 40 LEDs - 9-42 Volts DC - 850nm and 940nm
LED Infrared Emitter - 240 watts - 80 LEDs - 9-42V - 850/940nm - 1650'L X 320'W Beam
Infrared LED Light Bar - 850nm/940nm - 9-42VDC - 16, 3 Watt LEDs - 700'L X 80'W Beam
Infrared LED Light - 6 watts stud mount - 9-48v - 750/850/940nm
LED Infrared Emitter - 24 watts - 8 LEDs - 325'L X 70'W Beam - 9-42 Volts - 850/940nm
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ATX-Infrared Lens for flashlights for blocking visible light - 850nm cut off
240W LED light - 80 LEDs - Visible / Infrared Combination Light - 1750' X 300' Beam
Infrared LED Light - 3 watts - stud mount - 9-42v - 750nm, 850nm or 940nm
Remote Control Thermal Imaging Camera System - 12V - Wireless or Wired Remote - 6" LCD Monitor
Infrared LED Light Bar - 24 LEDs - 72 Watts - 900'L x 100'W Beam - Extreme Environment
Infrared LED Emitter Light - 24 LEDs - 900'L X 100'W Beam - Extreme Environment - Trunnion Mount
Infrared LED Light Emitter on Trunnion Mount - 6 Watt - 9-42VDC - 280'L X 45'W IR Beam
Infrared LED Light Emitter 750/850/940nm - 9-42VDC - 280'L X 45'W IR Beam - Adjustable Surface Mount
Infrared LED Light Emitter - 850/940nm - 9-32VDC - 110'L X 45'W IR Beam - Adjustable Surface Mount
Infrared LED Light Emitter on Trunnion Mount 750/850/940nm 9-32VDC - 110'L X 45'W IR Beam - 12 Watts
Infrared LED Light Emitter on Trunnion Mount - Extreme Environment - 12 LEDs - 36 Watts - 850/940nm
Infrared LED Light Emitter on Trunnion Mount - 12 Watts - 850/940nm - Extreme Environment - 9-42VDC
Infrared LED Light Bar - 20 IR LEDs - 60 Watts 750/ 850/ 940NM - Extreme Environment - 800'L X
Infrared LED Light Bar w/ Trunnion Mount - Extreme Environment - 20 IR LEDs -60 Watts 750/850/940nm
Infrared LED Light Bar - 100 IR LEDs - 300 Watts - 750/850/940NM - 50X2 LED Array - 9-42VDC
Infrared LED Light Emitter - 200 IR LEDs - 600 Watts - 750/850/940NM - 9-42VDC - 50X4 LED Array
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Infrared LED Light Bar - 40 LEDs - Extreme Environment - 9-42V - 1250'L X 250'W Spot
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