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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
         

   
06/28/10 LEDs: A Bright Future

Most people are by now familiar in at least some way with LED lights. Their excellent efficiency and small size are giving them a huge boost in popularity, especially in today’s energy conscious environment. Across the nation, local governments are turning to the LED light in their quests to save money and increase the efficiency and safety of their cities and towns. With energy requirements anywhere from ½ to less than a 3rd that of traditional incandescent bulbs, LEDs are becoming an obvious alternative to the expensive and short lived lighting that is currently in use. Everything from traffic signals to street lighting to the lights used on our vehicles is being looked at in a new way thanks to the rapid advancements in LED technology that have allowed the LED to now rival traditional lamps in both brightness and light quality.

To understand why LEDs are so quickly increasing in popularity it is necessary to understand what it is that sets LEDs apart from traditional filament based lamps. To do this we must first look at how a traditional incandescent lamp creates light. The common tungsten filament light bulb has changed little since Thomas Edison’s original design. A thin tungsten filament is strung between two wire contacts and suspended within a glass bulb that is filled with inert gases like Argon which reduce the degradation of the filament as it is heated. Electrical current is passed through the filament causing the filament to heat up. As the filament heats, it emits energy in the form of light and heat. Approximately 10% of the electrical energy used by a tungsten filament or “incandescent” bulb is radiated as light, with the other 90% being radiated as heat. Since only 10% of the energy used by the incandescent is actually emitted as light, a great deal of energy is completely wasted as heat. This represents a large opportunity for improvement and it is this highly inefficient operation of the incandescent bulb that has led to efforts to develop more efficient methods of producing light. While the incandescent design has endured for over 100 years, as energy becomes more expensive and the effects on our environment of producing energy become more pronounced, more efficient ways of producing illumination have become increasingly popular.

LED stands for “Light Emitting Diode”. An LED is a small piece of semi conducting material that is impregnated with other compounds. When electrical current is passed through this “doped” semi conducting material, the electrical energy is emitted by the semi conductor as “photons” or, light. The process by which LEDs produce light is known as electroluminescence and it is a much more efficient process than that used by incandescent lamps. In the process of electroluminescence as created by LEDs, little heat is created and a larger amount of the current applied to the diode is emitted as light. Since less energy is radiated as heat and the energy is more fully emitted as light, the LED has a much greater efficiency than the incandescent lamp. This means that the same amount of light can be created by an LED as compared to an incandescent lamp with a fraction of the energy an incandescent requires.

For a comparison, consider how lamps are rated. The typical ratings for the amount of illumination a lamp can produce are expressed as “lumens” and are based on how many lumens a lamp can produce relative the amount of energy consumed. Lumens themselves represent the amount of light that hits an object at a given distance. The typical incandescent bulb is rated at approximately 15 lumens per watt and the higher efficiency halogen bulbs can only achieve at best approximately 25 lumens per watt. LEDs on the other hand even in their lowest quality versions achieve approximately 50 lumens per watt, with some manufacturers now announcing in 2010 that they have produced LEDS which produce 160 lumens per watt. When comparing these numbers it is easy to see why LEDs would be such an attractive choice for improving the energy efficiency of modern lighting.

The high efficiency which LEDs are capable of has led to a great deal of focus on the development of the LED lamp for practical use. Designs like Larson Electronicss 30 Watt LED PAR 38 Spot promise to make the traditional incandescent bulb obsolete as they continue to enter the market and consumers realize the great savings in energy costs these lamps represent. The Par 38 spot is a direct replacement for the incandescent lamps used in many applications such as floodlighting and commercial and industrial specialty roles. At only 30 watts, the lamp produces 1800 lumens of light, comparable to a 150 watt halogen lamp. Further increasing the benefits to be had from LEDs is the vastly improved longevity they have compared to incandescent bulbs. While a typical incandescent is rated at only 1000-3000 hours, LEDs are typically rated at anywhere from 20,000-50,000 hours. This means that an LED lamp can last for several years after installation before requiring replacement. A Larson Electronics Par 38 spot could be installed in a garden floodlight fixture and literally be there 10 years later while the incandescent floodlights will have been replaced several times over.

It is the final benefit of longevity that has caused many cities in the U.S. to adopt programs dedicated to switching entire sectors over to energy efficient LED lighting. In cities like Cincinnati, Ohio and Raleigh, NC programs are underway to test LED lighting systems and switch out much of those cities energy hungry incandescent public lighting equipment with LED designs. In Los Angeles the city has started replacing 140,000 of its streetlights with energy efficient LEDs which are expected to return up to 60% in savings by reducing energy and maintenance costs. With life expectancies rated at 10 or more years and energy efficiency that far surpasses the lights currently in use, it is only a matter of time before they become the dominant form of illumination used in both public and private applications.





Related Categories/Products
Category/Product (click on link below for more information)
LED Lights
Infrared LED Lights
Explosion Proof LED Lights
Environmental Services Lights
1500 Watt Work Light On Telescoping 8 Foot Tripod With Removable Light Head
Explosion Proof LED String Lights - 10 lights - Class 1 Division 1 and Class 2 Division 1
150W Explosion Proof LED Light Tower - Tripod Mount - C1D1 - 100' 16/3 SOOW Cord w/ EXP Plug
Explosion Proof LED Light - 17,500 Lumens - Class 1 Div 1 & Class 2 Div 1 - Adustable J-Bracket
Explosion Proof String Lights - 8 Drop Lights - Class 1/II, Division 1
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