GLOSSARY

AMP
The abbreviation for ampere and amperage. The unit used to measure electric current.
AMPERE-HOUR
One ampere of current flowing for one AMPERE-HOUR One ampere of current flowing for one hour.
ANODIZING
An electro-chemical coating for aluminum. Hard, durable, and attractive. Anodized parts are highly corrosion resistant.
ATEX
European safety rating. ATEX products are rated for use in or around explosive atmospheres.
BI-PIN BULB
A bulb with two contact pins that plug into a socket allowing easy replacement.
"BLACK DOT" BULB
The Black Dot prevents stray light and gives the beam the ability to shine through dense mist, fog, and smoke. Firefighters rely heavily upon the Survivor for this reason.
BEAM CANDLEPOWER
Also called Peak Beam Candlepower. Measurement of the brightest spot in a focused beam. An indication of the maximum intensity of the flashlight. The "hot spot" is equal in brightness to the number of "candles" required to produce the same illumination.
BEAM PATTERN
When selecting a light, users should keep in mind how the light will be used. Flashlights have a different balance of features in terms of how wide it is or how far the beam will reach. Some of Streamlight’s beam patterns include: Tradition – General, multi-purpose use, giving optimal balance of a far reaching beam and ample peripheral light; High Performance (HP) – Throws light a long distance and is good for down-range applications; High Lumen (HL) – Widest beam pattern, ideal for maximum illumination in smaller areas where a lot of light is needed, but not an exceptionally long reach.
CANDELA
Also called "candle." The unit of luminous intensity. One candela is equivalent to 12.57 lumens. At one time it was equal to the light from an actual burning "standard candle."
CANDLEPOWER
When referring to flashlights, candlepower is usually the same as beam candlepower. CE Flashlights carrying this symbol meet applicable European Community Directives, and can therefore be sold in Europe.
DUAL FILAMENT
An option on the Vulcan and LiteBox, this bulb contains two filaments which enables users to instantly switch to the second filament when back-up lighting is needed. EX Signifies conformance to European Standards for use in potentially explosive atmospheres. FM Factory Mutual Research Corporation is a third-party testing organization that approves products for use in specified hazardous locations. The Vulcan carries an FM approval.
HALOGEN AND XENON BULBS
Flashlights using bulbs filled with these gases are recognized by their extreme brilliance and white light. These bulbs are generally more efficient than ordinary bulbs and may last longer.
HAZ-LO®
Streamlight's line of safety-rated flashlights suitable for use in Division 1 environments. Different protection standards and testing at Nationally Recognized Test Labs (NRTL) are used to achieve the Division 1 rating. Any flashlight that will be used in a hazardous environment or confined space should be properly tested to meet or exceed all applicable safety standards for those locations.
HIGH TEMPERATURE LENS
Typically made of borosilicate glass which has low thermal expansion characteristics. Easy to clean, resists scratching, and has good shock resistance when properly mounted.
INTRINSICALLY SAFE
Not capable of igniting a flammable atmosphere under both normal and "fault" conditions.
LEAD ACID
Rechargeable battery chemistry used in the Vulcan and LiteBox. Unlike automotive batteries, Streamlight lead acid batteries will not spill acid. Streamlight batteries are sealed and do not contain free liquid. LED (Light Emitting Diode) A high-intensity "solid-state" bulb which lasts up to 100,000 hours. Able to run for very long periods of time on very little power. Available in various colors including Ultra Violet.
LITHIUM
Disposable batteries using lithium chemistry are gaining in popularity because of their light weight, high energy density, and shelf life of ten years. Lithium Ion rechargeable batteries, as used in the Strion, combine high capacity with small size and light weight.
LUMEN
Unit of luminance. As used in reference to flashlights, it refers to the total amount of light radiated by the bare lamp, the LED, or the flashlight. Because this measurement does consider the focusing efficiency of the reflector, it does not indicate how "bright" the focused beam will appear. A flood lamp with a very wide dim appearing pattern can have the same lumen rating as a very tightly focused intensely bright spot lamp assembly. Lumen ratings cannot be converted to beam candlepower.
MACHINED ALUMINUM
Flashlight components made from this material are lightweight, durable, and can be held to tight manufacturing tolerances for superior performance in precision assemblies.
NICKEL CADMIUM
(abbreviated NiCd) The most common rechargeable battery used in Streamlight products. It is the most rugged rechargeable technology and provides the highest performance/cost ratio. Must be recycled at end of life.
NICKEL-METAL HYDRIDE
(abbreviated NiMH) A rechargeable battery option for Streamlight's Stinger and SL series. It delivers the same performance characteristics as NiCd batteries, while being more environmentally friendly. Also meets the European Union's WEEE requirements.
NON-INCENDIVE
Not capable of igniting a flammable atmosphere under normal operating conditions.
NON-CONDUCTIVE
Will not conduct electricity. Flashlights made with non-conductive case materials protect against electric shock should the flashlight touch an electrical source.
O-RING
Used as a gasket to seal the flashlight case against dust and moisture.
POLYCARBONATE
Clear, tough, shatterproof, virtually unbreakable polymer used to make the lens in most Streamlight flashlights. Often hard coated for abrasion resistance.
POLYMER
Material with a long chain molecular structure. Lightweight, highly durable, shock-resistant, non-conductive, and moldable in colors.
PRE-FOCUSED LAMP MODULE
Lamp and reflector furnished and replaced as a unit. Permanently adjusted at the factory for optimum focus.
REFLECTOR
Surrounds the lamp and directs and focuses the light rays in one direction. Streamlight reflectors are computer designed for optimum performance.
TEN-TAP® PROGRAMMING
Allows users to select one of three different lighting programs (for example: High/Strobe/Low; High only; Low/High) dependent on the model of the light. Feature is available only in certain Streamlight flashlights.
UL
Underwriters Laboratories, Inc. is a third-party testing organization that approves products for compliance to electrical specifications and for use in specified hazardous locations.
VOLT
Unit of electrical potential. The potential difference between two points in an electrical system is called the voltage between those points.
WATT
Unit of power. Electrical power can be calculated by multiplying voltage times amperage.
 
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