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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
         

   
07/20/10 What Makes a Good Spotlight?

The time was when buying a spotlight simply meant looking for a brand that had the highest candlepower rating. The more batteries a flashlight used the better, and if the light could be used as a club well, that was considered a selling point. These days however, buying a spotlight requires a little more consideration. Advancements in technology coupled with a more knowledgeable public have caused spotlight manufacturers to literally revolutionize the way flashlights, and spotlights in particular are designed and manufactured. Gone are the days when simply buying a flashlight with 6 D-cell batteries and a Krypton bulb would meet almost any expectations. Modern technology has produced equipment that for all intents and purposes has made the alkaline battery and the filament based bulb adequate for only the most basic applications. Where aluminum bodied three cell flashlights were once the high end light of choice for professionals and homeowners alike, units with rechargeable lithium ion batteries powering HID or LED lamps now represent the top of the line.

The leading reason for these changes is the vast improvements these new technologies represent. While the standard Krypton bulb may have produced a whopping 45 lumens of light when powered by 3 D cell batteries, basic HID and LED lamps routinely exceed 100 lumens when powered by a small lithium-ion battery pack. As well as being capable of producing a great deal more light in a small package, these new lights provide light for a longer amount of time, and their batteries can be recharged up to a thousand times before needing replacement. To see what represents the best in portable lighting technology, let’s first look at the power sources being used.

It used to be that when it came to rechargeable batteries that ni-cad or, “Nickel Cadmium” batteries ruled the roost. However, although they were an economical alternative to typical disposable batteries, they were quick to lose their charge when not in use, were drained quickly when used in high draw applications, and required careful charging procedures to avoid damaging them. Although improvements have been made, typical ni-cad batteries still remain a less then optimal power source for energy hungry electronics. Lithium-ion batteries on the other hand are a major leap forward in rechargeable battery technology. They can retain their charge much longer when not in use and do not require special procedures for recharging; unlike other batteries, lithium-ion  units do not need to be fully discharged before being recharged and in fact work best when left with a small charge when placed in the charging unit. Lithium-ion batteries have a greater charge density than other rechargeable batteries, which means they can hold a larger amount of stored energy in a smaller size. High power lithium-ion batteries can provide both low and high discharge rates, allowing them to last twice as long as the ni-cad batteries they are edging out. In modern portable electronics, all of the aforementioned traits have helped the lithium-ion battery become the power source of choice for achieving the best all around performance.

Although the power source in a portable light is critical, making the best use of that power is what sets new spotlights and flashlights apart from their predecessors. The improvements in lighting technology have been focused on producing bulbs that produce light in wholly different ways than standard filament based bulbs. New materials and methods have resulted in lamps not only producing more light, but producing it more efficiently as well. For high intensity spotlights HID, or “High Intensity Discharge” bulbs have emerged as the top performers when it comes to sheer power and brilliance. Unlike tungsten filament bulbs which produce light by heating a metal wire, HID bulbs produce light by creating an electrical arc between two electrodes which then heats and evaporates metallic salts within the bulb. As theses salts are evaporated, they create plasma which intensifies the light created by the arc. Once the plasma reaction within a HID lamp is started, very little energy is needed to sustain it. HID lamps produce less heat than filament based bulbs, so less energy is wasted. HID lamps require an initially high electrical charge to get their arc started, but once the process has started the electrical requirements drop drastically. Since the power requirements of HID lamps vary during their operation,( high voltage is need to strike the arc, less to maintain it), HID lamps make use of a ballast to provide the initial high voltage needed for startup and then regulate the voltage to a lower level once the lamp is started. Although the ballast adds complexity to a spotlight, the ballast components in portable spotlights are solid state and very reliable.

When a lithium-ion battery is paired with an HID lamp, the result is an intensely bright spotlight that will outperform traditional spotlights in every manner. Lamps like the Larson Electronics 15 Million Candle Power Rechargeable HID Pistol Grip Handheld Spotlight use this HID lamp - lithium-ion battery combination to produce a 15 million candlepower beam of intense light that can reach for over 2800 feet. The use of a large reflector further focuses the light produced by the HID bulb and an adjustable lens allows the light to be configured as a spot or floodlight simply by turning the lens housing. By pairing the efficient HID lamp with the powerful lithium-ion battery, extreme effectiveness is guaranteed and a runtime of over two hours is achieved on a single charge. The high energy storage ability of the lithium-ion battery allows the manufacturer to design a smaller, more compact unit that is light in weight, yet still outperforms any comparable conventional lamp available.

An added benefit of HID lamps is their inherent durability. While tungsten filament lamps contain a thin wire element that is prone to breakage from impact and vibrations, HID lamps have no such filament and are much more resistant to damage. Where a typical incandescent bulb may last only 1000-2000 hours, HID bulbs like those used by the Larson Electronics are designed to last 4,500 hours reducing the need for changing bulbs. Taken as a whole, it’s no wonder why new technology is making the common flashlight obsolete. For work, recreation, emergencies, and everyday use, you simply can’t do any better than an energy efficient HID spotlight paired with a lithium-ion battery.





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