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Jargon Buster  Lighting Words Animation

7 most commonly used concepts that you may be unfamiliar with

Every world has its jargon – and the Lighting world is no exception. This article is meant to help you cut through the noise of lighting industry’s tough-to-decipher acronyms and expressions so that you can discover the true value behind the buzzwords. Take a look and see what’s the difference between strength of light and light output, what does UGR stand for and what the hell is Microprism Diffuser. Here we go! 

 

Strength of light – W (Watt) 

Traditional way of measuring the light showing how much energy is consumed by lighting source. This way of measurement was working well with traditional lighting bulbs, where the higher the wattage lamp is, the brighter it is. However, after LED lighting emerged, it became ineffective. Why? Because now it doesn’t necessarily show us the real brightness of light - LED lighting consumes a lot less energy while providing more light than incandescent lamps. Classic bulb is not effective as professional LED Lighting, because it changes most of its energy into heat, not in light. 

 

Light output – LM (Lumen) 

The real unit of light used in lighting measurement. Basically, Lumen is the total amount of light emitted in all directions from the source. The higher the lumen rating, the “brighter” the lamp will appear. It is a way more effective and practical solution to measure lighting because with low energy LED lamps, more Light Output can be achieved with much less power consumption. For example, a 6.5W LED lamp will give a similar light output to a 50W bulb lighting. That's 87% less energy (Watts) for the same light output!

Jargon Buster - Lighting on desk

LX (Lux) 

Lux is a measure of illuminance. It’s the total amount of light that falls on a certain surface.  The same Light output can provide different Lux levels, depending on the place we want to measure. For example, if you hang a lamp which gives 2500 lm. only 0,5 m. above the surface you want to illuminate, you will get a lot higher level of LX than when you place the same lamp few meters higher. LX level has a direct impact on the comfort of work.  

Bellow you can find recommended Lux levels in different interiors: 

→ Office, meeting room – 500 lux 

→ Reception desk – 300 lux 

→ Lounge – 200 lux 

→ Entrance Hall – 100 lux

 

Color temperature – K (Kelvin) 

It is a scale for measuring color of light on a warm-to-cool spectrum. It is measured in Kelvins – higher number means “cooler” tones, while lower numbers reflect “yellower”, lighter tones. Cooler or neutral tones (for example 4000 K) are believed to have a positive influence on work efficiency. That is why they are recommended for working spaces and open offices. Warmer colors, like 3000K, will work well in social areas, creating more cozy atmosphere. On the picture below you can see that it is possible to create completely different atmosphere using different color temperatures in the same room. 

Jargon Buster - Color Tone Cat

Color Rendering Index (CRI) 

CRI index measures the ability of a certain light source to reveal “realistic” colors of objects in contrast to a natural light source. The range of Index is between 0 and 100. A CRI of 100 represent maximum value of natural sun light. Lower CRI value indicates that some colors may appear unnatural, not sharp enough and mix with each other.

Professional lighting products for restaurants, offices and other places, where we spend more than 4h every day, should be at least CRI 80. Bellow you can see that the color of the apple changes from most natural to a way more artificial and pale, depending on the level of CRI. 

 

UGR - Unified Glare Rating 

UGR determines if light source blinds us or not. This classification ranges from 5 to 40, with low numbers indicating low glare. A good parameter is below 22, but workstations in offices need UGR level below 19. Inappropriate, too sharp and excessive lightings cause excessive brightness to be bounced off reflective surfaces like computer screens or whiteboards. This can create a serious disruption for employees – headaches or eyes troubles. As with lux, a real UGR can be measured only on spot. 

 

Microprism diffuser 

It is a tool used to scatter light and to create more soft lighting experience. It’s installed on the light source to reduce glare and to provide extremely high visual comfort thanks to its characteristic prismatic structure. That is why Microprism diffuser is ideal for the illumination of workplaces. Allows to reach optimal UGR level in offices spaces. 

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Mute Bell Lamp in office interior with tabletop beneath and people talking

Tired eyes, a cracked psyche, mood swings, headaches - these can all be effects of the wrong lighting.

The lighting of a room influences us in our work and concentration and has a decisive effect on our productivity and well-being. Tired eyes and headaches can be consequences of wrong lighting in a room.

The right light, therefore, has a big impact on a pleasant working atmosphere. So while designing an office, thinking beyond desks and technical equipment is required. We will tell you how companies and organizations can ensure the right light environment in their offices. 

 

The Effect of Daylight and the Right Desk Set-up on Our Health

There is no denying that daylight is important to our productivity and the efficiency of our work. But it's not just professionally crucial to work in the right setting - our health will thank us for it too. Tired eyes, a cracked psyche, mood swings, headaches - these can all be effects of the wrong lighting. As Philips makes clear in a report, sunlight and natural light, in particular, have an impact on our well-being and work performance. To support employees in their work, companies need to create a pleasant lighting atmosphere in the office.  

Mute Ligh Bell and Macbook in Office Interior

Bell with GOLF LED creates warm ambient lighting

Mute Lighting Line in  Office Interior

Line with double LEDs emits bright beam

Different Types of Lighting to Create a Perfect Environment

Different types of lightning can support employees in the way they work and help companies to provide an atmosphere that will contribute to their well-being at the workplace. 

Task Lighting vs. Ambient Lighting

Ambient lighting is the general lighting of a room. It substitutes as natural light and provides the overall illumination of a room. Chandeliers, ceiling lights, and even wall lights that lighten up more than on spot create an even lighting level and a relaxing environment in offices and public areas like restaurants, receptions and hotel lobbies.

The use of task lighting is already included in its name as it is light at a specific spot that is used to be able to do certain tasks like writing or reading. This type of light helps to stimulate our brain and supports us when we have to concentrate and focus. Therefore, light sources like pendant lamps above desk areas, desk lamps and swing arm lamps, fall under the category of task lighting. They are great solutions for work stations, conference rooms and open-plan offices. 

Lighting levels

While designing spaces, companies need to ensure the necessary illumination levels for each possible area. To do so, they have to consider "Lux" and "Lumens". Lumen is the total amount of light emitted in all directions from the source. Lux is a measure of illuminance - a total amount of light that falls on a Surface. The same lamp will deliver different amounts of luxes depending on how high it is hung. At the same time different areas require different numbers of luxes. Workstations and meeting rooms need to ensure 500 lux, and reception desks need 300 lux. Entrance halls, on the other hand, only need 100 lux.

Light Colour 3K or 4K

LED lamps and luminaires are available in several colour temperatures. Lamp colour is often a personal choice that is made depending on the environment that should be created. However, most common in office and public spaces are 3000k and 4000k lights. 4000k is a cooler and whiter light that helps to keep people focused. It is mainly used for task lighting. 3000k light, on the other hand, brings a warmer light to a room but may make people a little sleepy after working in this light for a few hours. 

Mute Bell Lamp in office interior with tabletop beneath and people talking

Added Options For an Even Better Light Set-up

Additional functions of lightning can provide even more comfort. Very bright light can be dimmed thanks to a Dali dimmer. That way, you can enjoy a little break or adjust the light according to the room and the setting. The microprism diffuser provides a high level of visual comfort. It is ideal for lighting workplaces with its special prismatic structure, as it has low glare due to its special design. With it you can ensure perfect lighting conditions, especially in the workplace. 

The right lighting is essential in modern offices. Therefore, you should focus on designing an environment that supports creativity and productivity and increases everyone's well-being. The right lighting solutions not only bring comfort and a pleasant atmosphere but are also flexible and smart and can be adjusted to individual needs easily.

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