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General information

Escape route lighting

Escape route lighting

ISO 15370 was the first International Standard for escape route lighting and is commonly known as LLL - Low Location Lighting. ISO 16069 Safety Wayguidance Systems (SWG) followed later for the built environment and laying down principles for design. This Standard was used by New York City as the basis for technical recommendations for stairwell egress systems now required by law for tall buildings.

General information

JALITE in the United Kingdom

JALITE in the United Kingdom

JALITE (UK) PLC pioneered the application and development of photoluminescent systems in Marine and Offshore markets in the 80's and the movement to escape route lighting in all workplaces. JALITE Fire Safety Signs hold an enviably high position and esteem in the UK Safety Sign market and are specified widely by leading architects and safety professionals. JALITE PLC in the UK products and services can be viewed on the web sites www.jalite.com www.jalitemarine.com and www,jaliteaaa.co.uk

General information

JALITE Nosing for Stair Leading Edge

JALITE Nosing for Stair Leading Edge

JALITE nosing for the leading edge of the stair fulfill OSHA Requirement for stairs as well as providing the key element for stairwell egress path marking under IBC/IFC code: 1910.24(f) "Stair treads." All treads shall be reasonably slip-resistant and the nosings shall be of nonslip finish. Welded bar grating treads without nosings are acceptable providing the leading edge can be readily identified by personnel descending the stairway and provided the tread is serrated or is of definite nonslip design. Rise height and tread width shall be uniform throughout any flight of stairs including any foundation structure used as one or more treads of the stairs. To fulfill its responsibility to provide a safe workplace, OSHA requires that stair treads be reasonably slip-resistant and that in particular the stair nosing have a slip resistant finish. In addition the leading edge of each step should be readily identified by someone descending the stairwell. JALITE stair nosing and thresholds not only provide a slip resistant finish but are highly visible under normal conditions and power loss conditions, ensuring  that your facility does not just comply, but exceeds the OSHA requirements.

General information

Photoluminescent and JALITE Terminology

Photoluminescent and JALITE Terminology

Activator ionic impurity in a host material which acts as a luminescing centre, also called dopant. Afterglow general emission of light after a source of excitation energy is removed, usually by phosphorescence. Anti-Stokes a material which converts low energy light to high energy light by photoluminescence. Also called up-converter. Candela unit of luminous intensity. Cascading multiple absorption/emission cycles in a material where the emission from one cycle is matched to the absorption of the next. Cathodoluminescence luminescence where the initial energy comes from fast moving electron bombardment, such as on a television screen or computer monitor. Charging excitation of a phosphorescent material, usually by incident light. Chemiluminescence luminescence where the initial energy comes from chemical reactions, such as phosphorous burning in oxygen. Correlated colour temperature the colour of white light sources, the temperature of the black body radiator which produces the chromaticity most similar to the light source. Unit: °K. Daylight fluorescence (DF) fluorescence where the emission is in the visible spectrum. DIN67510 Part 1 specification describing afterglow performance in a standard way, in the form a/b - c - d - e, where a is afterglow brightness in mcd/m2 after ten minutes, b is afterglow brightness after sixty minutes, c is the decay period in minutes to 0.3 mcd/m2, d is excitation colour code, e is emission colour code. Parts 2 and 3 refer to in situ testing of photoluminescent items. Dopant ionic activator commonly used in inorganic phosphors. Excited state condition of a charged phosphor before emission. Electroluminescence (EL) luminescence where the initial energy comes from electric fields, usually alternating. Fluor a substance exhibiting fluorescence. Fluorescence very fast absorption and emission of photons where there is no appreciable afterglow. No electron spin inversion is involved. Flux (light) luminous intensity, usually of a light source, per unit solid angle; Unit: lumen. Illuminant A, B, C incandescent illumination in the range 380nm to 770nm, respectively 2856K (yellow), 4874K (mean noon sunlight) and 6774K (average daylight, blue). Illuminant D daylight illuminants defined from 300-830nm, designated with a two digit subscript to describe Correlated Colour Temperature, e.g. D65 indicates 6500K, close to Illuminant C. Illumination luminous flux, usually of incident light. Units: lux or lumens per square metre. Infrared part of the electromagnet spectrum immediately less energetic than visible light, ranging from around 700 nanometres to 10 microns wavelength. Intersystem crossing transfer from one molecular angular momentum state to another by electron spin inversion. Principal of physical phosphorescence. Killing quenching. Light output quantum efficiency multiplied by amount of absorbed radiation. Lumen unit of light flux. One lumen equals the flux emitted into a solid angle of one steradian by a point source of one candela. Luminance brightness, usually of a surface, i.e. luminous intensity per unit area. unit: candelas per square metre, usually expressed in millicandelas per square metre. Luminescence emission of light from a substance unaccompanied by heat. Luminophor luminescent material. Luminous directional reflectance reflectance of a surface in given directions of illumination and view. The ratio of the brightness of a surface to the brightness that an ideally diffusing, perfectly white surface would have if illuminated in the same way. Units: none. Luminous intensity a fundamental unit derived from black body radiation at set conditions in a given direction. Unit: candela. Luminous efficiency (L) luminous flux emitted by a source, per unit of power consumed. Unit: lumens per Watt. Lux unit of illuminance, lumens per square metre. In imperial units, one footcandle is approximately 10 lux. Optically active a) luminescent, b) able to change the polarity of incident light during reflection. Phosphor a substance exhibiting the property of phosphorescence. Phosphorescence slower absorption and emission of photons where afterglow is usually apparent, involving electron spin inversion allowing absorbed energy to be trapped for a period before being released as photons. Photoluminescence luminescence where the energy comes from incident light. Includes fluorescent and phosphorescent processes. Quantum yield (q) ratio of energy emitted by a luminescent substance to that absorbed, expressed as a percentage or decimal part of unity. Units: none. Quenching the loss of luminescent emissions to absorbing centres, or the addition of an agent to do this. Also called killing. Radiant efficiency ratio of emitted luminescent power to power absorbed from exciting radiation. Radioluminescence (RL) luminescence where the initial energy comes from radioactive decay, e.g. as with tritium. Products relying on RL are also called self emitters. Resonance radiation fast fluorescence with no internal loss of energy. Saturation charging of a phosphorescent material to maximum. Scintillator photoluminescent material with absorption at very low wavelengths, i.e. gamma or X rays. Self emitter radioluminescent material. Stokes shift difference in wavelength peaks between absorption and emission curves in photoluminescent materials, positive where wavelength increases, negative where wavelength decreases. Unit: nanometres. Strontium Aluminate a collective term for a group of crystalline phosphors derived from Strontium Oxide and Alumina (and silica) singally or doubly doped with rare earths Europium and Dysprosium. Thermoluminescence luminescence where heat energy triggers emission of photons from internal energy previously stored. Triboluminescence short lived luminescence caused by the violent breaking of chemical bonds, often associated with frictional forces. Ultraviolet part of the electromagnet spectrum immediately more energetic than visible light, ranging from approx. 100 nanometres (VUV) to 400 nanometres (UVA) wavelength. Up-conversion photoluminescent process converting lower energy incident light to higher energy emitted light. Also called anti-Stokes.

General information

Quality in Photoluminescence

Quality in Photoluminescence

"JALITE Group is committed to a never ending process of continuous improvement to meet and exceed client needs and expectations" "JALITE Authorised Distributors share the quality philosophy to deliver product, installation and maintenance services to meet client requirements" JALITE has adopted Total Quality as a prime operating principle governing the exchanges of products and services both externally and internally within the enterprise. Performance against quality standards is continually monitored and deviations and defects studied for assignable causes. JALITE leads in performance testing and characterisation of photoluminescence and photoluminescent decay under normal installed lighting. Statistical Process control on key product attributes such as luminance decay characteristics is an essential element of conforming to the JALITE specifications. “Quality is free, but is the fruit of knowledge, experience, hard work, process and organisation” "Jalite Group can show you full traceability for all our products back to the 80’s and test data on performance testing – who else can?” "The photoluminescence and luminance decay characteristics and classification according to ISO 17398 of any photoluminescent safety product must be part of any product specification and controlled by the manufacturer”

Training , Workplace Safety

JALITE Safety Sign Audit and Review

JALITE Safety Sign Audit and Review

Fire Safety Sign Audit & Review To provide a visual inspection (up to an hour), whilst on site, of the fire safety signs within an agreed scope that can include Means of escape route identification signs Emergency door opening devices signs Mandatory fire door notices Fire action notices Fire fighting equipment location and type identification Specific hazard identification signs (limitation to be agreed with client, such as mind the step hazards on means of escape route, main electrical intake) Specific prohibition notices (limitation to be agreed with client, such as  do not use the lift in event of fire) Assembly point location signs The Audit would look at the provision of fire safety signs expected to be in place for compliance with Legislation and Regulations.  This would include the existing signs and making an observation as to whether additional signs would be required.  In order to meet the requirements of legislation best practice advice would be given based on the relevant National and/or International Standards relating to the types of signs and their design. The Audit would be followed up with a short report which can include; Reference to the particular piece(s) of legislation needed to comply with Relevant Standard/Code of Practice recommendations are based on Without going into specifics whether or not their signs will meet current regulations.  This could be split into specific types of signs Whether additional signs would be required Whether some existing signs could be removed, including internally illuminated signs to reduce on-going energy consumption Whether or not a full fire safety signs survey would be recommended  

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JALITE Authorised Distributors share the JALITE philosophy of providing best practice advice and guidance in the selection of product and in supply, installation, service and maintenance.

JALITE products are found from professionals in the fields of property management and maintenance, fire protection and fire prevention service companies, safety product supply companies and other specialist sign companies.

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Jalite is active in over 109 countries

In the 35 year history of JALITE, products have been developed and supplied to over 100 countries in the world and often with safety messages in the local language or with dual language, with the International Safety language English. It has been a JALITE tradition to fully comply with National and International Standards for the design of our products. Now, with JALITE presence on three continents and Authorised Distribtors world wide we can be considered local throughout the world. Interested to Distribute JALITE products in your area of safety or your district and country? Just send us a mail and contact us now with an introduction.

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  • Lloyd's Register
  • BSI Group
  • International Maritime Organization
  • International Organization for Standardization
  • Photoluminescent Safety Products Association