Product Certifications

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Official approvals provide security for Luxo customers, and prove that Luxo magnifiers and arm-based systems are first class.

They are also a recognition of the fact that Glamox Group, developers and manufacturers of Luxo products, is never satisfied with what their achievements, but seek perfection in the performance of their products.

Special lighting leads to enhanced durability and stability of the materials and electronic gears in use which leads to special demands and requirements. Standards and rules issued by international authorities cover these extended requirements in design and functionality, and outline the most sophisticated design process that often results in a complex type approval procedure.

UL/cUL Mark

The UL/cUL mark designates Glamox products as having met the requirements outlined by the National Electric code. Such products bearing the mark have been tested and approved by the Underwriters Laboratory and Underwriters Laboratory of Canada.

CE and ENEC Marks

Each luminaire that leaves Glamox production includes the CE mark. The CE mark indicates that the manufacturer guarantees that the relevant requirements for health and safety expected of the product are fulfilled. Furthermore, all major luminaire series from Luxo, have ENEC certification. ENEC certification is a common certification agreement for lighting equipment, that is accepted in the whole CEN area.

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Our Testing Facilities

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Modern testing facilities

As a result of the high demands placed on the quality and durability of its products, the Glamox Group (developer and manufacturer of Luxo brand products) operates modern assessment and testing laboratories in Norway and Germany for the simulation of a wide variety of environmental conditions.

Environmental test centers in Bremen, Germany and Molde, Norway

These institutes have earned an excellent reputation in the lighting industry, and possess licenses from institutions such as the European Norms Electrical Certification (ENEC), the BSH Bundesamt für Seeschifffahrt und Hydrographie (the German Federal Maritime and Hydrographic Agency) and Germanischer Lloyd (GL).

Third party testing

Given their significance and reliable simulation and testing methods, our laboratories are also used by external firms and organizations. The test reports of our laboratories are accepted e.g. by Germanischer Lloyd (GL), Lloyd’s Register (LR), Det Norske Veritas (DNV), Bureau Veritas (BV), Physikalisch-Technische Bundesanstalt (PTB) and many more.

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Our Quality Systems

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Luxo’s quality policy is laid down in the primary control documents of the Glamox Control System, in compliance with the ISO 9001 quality standard.  Glamox Group is the developer and manufacturer of Luxo branded products.

Most of Glamox production units and testing facilities have certified quality systems according to ISO 9001. The Glamox quality policy includes all of the following important aspects of our activities:

  • Quality in product development and construction
  • Quality in the selection of suppliers and components
  • Quality in manufacturing
  • Quality in testing and certification
  • Quality in logistics and product shipment
  • Quality in customer care and complaints handling

Environmental policy

The Glamox Group also has an environmental policy, and several of our production units hold the ISO 14001 environmental approval.

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Luxo LED Philosophy

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Glamox Group, developer and manufacturer of Luxo brand products, aims to produce LED luminaires with single LEDs, LED modules and LED drivers with the best possible quality. Glamox strives to provide customers with the quality they want, nothing more, nothing less. By doing this, they provide a good cost/benefit ratio to our customers.

Glamox engineers are among the world’s leading experts on LED technology

Glamox uses their expertise to design and manufacture innovative products with low energy consumption and long life. Equally important is their experience and know-how about the design of optics and thermal control, so that the products will perform to standard over a long period of time.

How we work with LED

Glamox always use the best quality LEDs for Luxo products, from the best manufacturers.

Particular attention is given to the color temperatures and color rendering qualities of the LED lightsources we use.

Heat management
High power LEDs require more precise current and heat management than traditional lightsources. Glamox’s know-how of thermal control has significant influence on the lifespan of their products.

Glare control
LED products often have problems meeting glare requirements. Glamox’s engineering skills ensure that Luxo LED products always meet or exceed relevant national and international standards.

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LED and Light Quality

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While LEDs do not have a full color spectrum, we must pay special attention to their color quality and color rendering capabilities.

LEDs may contain less red wavelengths which can cause poor rendering of red colors. It is possible to avoid this by using special materials when producing the diodes. This is why one must pay special attention to the LED’s color rendering index (CRI) which is often expressed as Ra.

When LEDs are produced, they are formed with many different colors or color temperatures. The International Commission on Illumination’s (CIE) color diagram is used to create a binning structure, i.e. groups of diodes that share the same color characteristics. LED suppliers offer different bins of LEDs to luminaire manufacturers. The fewer bins the higher cost.

Some binning systems relate to the human eye’s color sensitivity via a model called MacAdam ellipses. The ellipses are mapped onto the binning structure in the color diagram and their size corresponds to the LED’s color tolerance. The size is measured in steps. The more steps, the bigger the tolerance and the easier it is to spot a difference in color. Generally, a 3-step ellipse is considered a good color tolerance. Most Luxo luminaires comply with a 3-step tolerance.

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LED and Energy Efficiently

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One of the advantages of LED is that all the light is emitted in one direction. This entails fewer reflections inside the luminaire since we normally want the light to go downward only. If we need a light distribution that goes both up and down, the LED is less suitable compared to e.g. a T5 fluorescent lamp.

Conventional lightsources cast a lot of light backwards, which may be lost in the optics design of a luminaire. The LED, on the other hand, emits all light in one direction.

The performance of LED is often measured in terms of lumens per watt or efficacy. With luminaires with fluorescent tubes, the efficiency is explained using the LOR or Light Output Ratio. The LOR would measure how efficient the optics are. For these luminaires, the installed power in watt is often used as a measure on the luminaire’s light output. LED luminaires, however, usually use the rated luminaire lumen to determine the luminaire’s light output.
The rated lumen value from an LED module may give an inaccurate picture of how many lumen you actually get from the luminaire. When documenting an LED luminaire, Luxo always lists the lumen value out of the luminaire, the so called rated lumen, luminaire. When you compare this lumen output with a T5 luminaire you must take the rated lumen from the T5 lamps and multiply with the Light Output Ratio (LOR) of the luminaire (see figure).

One should pay special attention to the difference between rated lumen, luminaire and rated lumen, lamp, which is measured on the LED module. Previously, LED manufacturers listed the lumen output at a junction temperature of 25 degrees, or so-called cold lumens. The junction temperature is measured inside the diode itself. Today, a more common denomination is to use hot lumens, i.e. lumens measured at an ambient temperature of 25 degrees, which correspond to a much higher junction temperature.

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LED Basics

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A Light Emitting Diode (LED) generates light in a semi-conductor material, which is an electronic component. Using the right materials, a diode may produce visible light of various wavelengths.

White light is created by either using a blue diode or “chip” and adding yellow phosphor on top, or by mixing light from one red, one green and one blue diode (RGB). The use of phosphor conversion is the most commonly used method in the lighting industry, due to its high efficacy and flexible production method. The phosphor can be added directly onto each diode, or as a remote phosphor plate on top of a mixing chamber. This method creates a particular color spectrum or spectral power distribution for the LED depending on the phosphor layer.

LED is not a new invention and most of us are familiar with LEDs being the red or green signal markers on your Wi-Fi or television. These are referred to as low-power LEDs. During the last couple of years “high power” LEDs, i.e. LEDs operating at powers of around 1W, have reached a level of cost and performance that make them attractive to the general lighting industry.

Market studies forecast that in 2020, nearly 50% of all new and replacement lightsource unit sales will be based on LEDs. Since LEDs are more expensive than conventional lighting, the value of the LED sales will be even higher.

Currently, LED lightsource efficacy levels are around 160 lm/W (lumens per watt) compared to a compact fluorescent lightsource which produces an average of 50-70 lm/W. The LED itself is expected to yield around 200 lm/W within the next ten years (Sources: McKinsey and Osram).

The spectral power distribution (the amount of light emitted at each wavelength) of the LED incorporates the blue light from the chip and the yellow phosphor.

The chart above illustrates the development in efficacy (lm/W) over time for conventional and LED lightsources. Whereas fluorescent tubes are expected to reach a maximum of 120 lm/W in 2020, LEDs may reach around 200 lm/W. (Source: Osram)

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Lamp Head Movement

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The ability to place the light exactly where it is needed is a hallmark of a Luxo task light. The flexibility of the lamp head makes it easy to adjust our task lights for your personal needs.
It is the combination of arm and head movements that determines the degree of flexibility in a task light. Each of our task lights offer one, two or a combination of all three of the head movements below. These lamp head movements help you direct light where you need it, without moving the task light itself.

Horizontal side-to-side movement (yaw)

Up and down movement (tilt)

Rotation around a horizontal axis (roll)

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Perfect Balance

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Our history of lighting for the individual began with the development of the L-1 task light in 1937. The freedom of movement, and the ability to place the light exactly where it was needed, forever changed the way task lights work.

L-1 was designed by Luxo’s founder, the engineer Jac Jacobsen, and is still in production today. The lamp arm is balanced by springs that work on the action and reaction principle of human arm muscles.

Modern range of arm-based task lights

Naturally, our range of products has been vastly expanded since those early days. However, the philosophy and knowledge from the development of the L-1 is still maintained in our modern products. Today, our range of task lights and other arm-based luminaires comprises a wide variety of arm technology, most notably with internal or external springs. They all have perfect balance, and careful ergonomics built into them. In fact, the aesthetics of the arm designs may be considered a quality in their own right.

The ability to place the light exactly where it is needed is a hallmark of a Luxo arm. The flexibility of arm and lamp head means that it is easy to adjust Luxo task lights for your personal needs. The arm construction ensures that the lamp head will always stay in the right position without drifting.

Watch the movie!

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Asymmetric Light Output

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The best solution for achieving optimal workspace lighting is an asymmetric task light.

Ergonomically designed task lights distribute light evenly across the working area. Since light is directed across the worksurface, it will not cause any glare to the user or discomfort to colleagues. The even light distribution eases the transition between light and dark areas and allows your eyes to work in a constant, comfortable light.

Statutory requirements fulfilled

Requirements for good workspace lighting are laid down in the international standard for indoor workplace lighting, EN 12464-1. Luxo task lights surpass the illuminance requirements of a minimum average of 500 lux on the desk surface.


An individual ergonomic task light ensures optimal workspace lighting. The illustration below shows an important advantage of asymmetric light output: the luminaire may be placed outside of your immediate work area, allowing for increased space to work.

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