We now have on-shelf stock of new LEDVance LED Downlight from Osram in all 3 outputs: 14W, 25W, and 35W. 

Product benefits

• High luminous efficacy
• Direct replacement for compact fluorescent lamp downlights
• Energy savings up to 60 % (compared to luminaires that use CFL lamps)
• Very homogenous light
• Functional design
• Easy installation with fast connection
• External driver for extended flexibility (compatible with selected DALI drivers)

Areas of application

• Direct replacement for luminaires with compact fluorescent lamps
• General illumination
• Public areas
• Stairways
• Corridors
• Foyers
• Shops

Product features

• Diameter of required ceiling cut-out: 150 mm or 200 mm (depending on version)
• Type of protection: IP20

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Lux reports: These LED retrofits are designed as energy saving replacements for the original tungsten halogen filament lamps.  The AR111 filament lamp is usually 12V and, unsurprisingly, 111 mm diameter.

The lamps reviewed here are designed specifically as retrofit. I.e. they have an integral driver in the base. There are some LED AR111 suppliers whose lamp is only supplied suitable for luminaires with a dedicated, remote driver.

The reason for developing a large diameter reflector lamp was to achieve a tightly controlled beam which could be used for display lighting. Having a 12V filament meant you had almost a “point source” in terms of optics.

These LED replacements, therefore, need to have a good quality beam (no hot spots or striations) and excellent colour rendering. All the lamps have a CRI >80. We asked for lamps with a beam between 20° and 40°. Display lighting often requires a very narrow beam and you should check what is available from the manufacturer.

When we refer to a beam angle, we mean the total width at which the intensity is half the peak. E.g. a 40° beam is a cone of 20° around the central axis. Some manufacturers quote the angle either side of the axis. This makes the beam seem to be half the width it actually is.  Labelling regulations say that the packaging should quote the lumen value inside a 90° cone. This is known as ‘useful luminous flux’ and should be marked on the box.

In order to test the colour quality, we sent the lamps to the laboratories at University College London for independent testing and comparison. Thanks go to Peter Raynham, the course director of the MSc in Light and Lighting and Janine Stampfli, the MSc student who conducted the testing.

The LED lamps were compared with a 75W AR111 halogen filament lamp and the CIE CRI and TM-30 Indices.

One final point: you need to check that the retrofit lamp will physically fit inside the luminaire. There have been some cases where the LED version is too large – this is often caused by the size of the heatsink.

Summary

It is interesting to see that the CIE CRI Ra which is based on eight pastel colours gave a good indication of colour rendering compared with the much more detailed and informative IES TM-30 which is based on 99 colours of all shades and saturation.

The Colour Vector Graphic is much more useful because you can easily see the deficiencies and strengths compared with the reference source even though it doesn’t have any numbers attached to it.

One last point that is often forgotten is that the only reason incandescent lamps have a CRI of 100 because they are also used as the reference source. Apart from its familiarity, you wouldn’t really want a light source so deficient at the blue end of the spectrum.

 

 

Crompton

This lamp has a nice looking beam with soft edges. Like another of the lamps reviewed, about 8% of the light falls outside a 90° cone. This means you get a bright centre with extra light for the ambient surroundings.

In appearance, there is an attractive outer rim with cooling “ribs/fins”. This spoilt somewhat by the central frosted plastic moulding where the 12 yellow LED chips can clearly be seen.

• Lux rating:

3 STARS 

 

 

 

LEDVANCE

This Osram lamp from LEDVANCE most probably gives the nicest beam. It is uniform from the centre to the edge with no sharp cut-off.

The aluminium reflector is quite shallow and, like the other lamps, has diamond shape facets. The front of the lamp is completely sealed by a clear plastic lens. This has the advantage that the reflector would stay clean throughout its life.

• Lux rating:

5 STARS 

 

 

Megaman LED Reflector

This has a facetted aluminium reflector with a clear prismed plastic cone in the centre to direct the light.

We tested the 48° version and the centre of the beam is nice and clean. However, the overall beam is very wide with 15% of the lumens being emitted outside 90°.

• Lux rating:

3 STARS 

 

 

 

 

Philips Master LEDspot

This is a nice looking lamp and the front face looks almost exactly like the filament version. The concave reflector looks metallic although it is actually heavily prismed clear plastic. There is also a clear conical prism directly above the light source.

The beam is uniform from centre to the edge and there is only the slightest wooliness to the cut-off.

• Lux rating:5 STARS

 

Soraa Vivid

When I asked one well-known lighting designer which AR111 she specifies, she simply said “Oh, I just go straight to the top and specify Soraa”.

One aspect of Soraa lamps that designers particularly like is the range of snap on lenses. These can be used to adjust the beam width or change the colour temperature, CCT and can be done easily even after installation. If the layout of the shop changes, you can simply use another snap on lens.

• Lux rating:5 STARS

 

 

Verbatim

As mentioned in the introduction, you need to check that the retrofit LED lamp will physically fit the luminaire. Verbatim are proud of their optimised thermal design which means it is shallower in depth than many other lamps.

It is also the most realistic looking lamp. There is no front cover, the reflector is all aluminium and there are no plastic mouldings in the centre. The beam is also good with no unevenness.

• Lux rating:

5 STARS

 

 

Test results

Visit Novel Energy Lighting to buy these brands of LED AR111 at very competitive prices!

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Novel Energy Lighting recently worked in collaboration with the facilities team at Holy Trinity Brompton on the LED lighting retrofit project at St Charles Borromeo RC church in London.

 We replaced 33 x old halogen floodlights with Design 360 Impact Surface Mounted 4000lumen LED spot lights. Lighting levels were increased and glare dramatically reduced. Gloomy corners of the church are now bright and welcoming. The project was a like for like swap, no changes to wiring were made, and all the lights were installed in 7 hours by 2 electricians.

    

 

     

The Church can now enjoy saving up to 90% on its lighting energy bills, and stop the maintenance call outs to change blown-out halogen bulbs high up ladders!

We have supplied LED lighting for many large churches, including St Charles Borromeo London, Holy Trinity Brompton (HTB) London, All Souls Langham Place London, St Augustines Brighton, Larkhall Baptist Church, Elim Church Dagenham, and many more.

Please call us to discuss the LED lighting needs for your church, we can provide volume pricing, lighting designs, and product expertise.

Novel Energy Lighting

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The new ruling means that all new buildings will have to feature LED lighting.

Philips struck up a good deal!.. All new buildings in Dubai will soon be compelled by law to install specific LED lamps, the municipality has ruled, after striking a deal with Philips Lighting to supply millions of light sources to the emirate.

Authorities in Dubai signed a five-year contract with Philips to create the ‘Dubai Lamp’, which, it it is claimed, will be the first commercially available 200 lumen per Watt LED lamp.

The new fixtures will replace 80 percent of traditional lights currently in the emirate’s residential buildings, and, as of this year, all new buildings constructed in the city will have have to feature the Philips LED.

Fitting LED in new buildings will be made the basic requirement for getting a Building Completion Certificate, by the end of this year.

The initiative will initially focus on new buildings and big complexes such as schools, hospitals, mosques and shopping centres. A study will also be undertaken to develop a strategy of implementation for older buildings, in an attempt to ensure that the scheme ensures a wider legacy and that energy savings and a positive environmental impact continue to grow overtime.

Philips has been commissioned by the Dubai authorities to manufacture and supply two million of the ‘Dubai Lamps’, which will not contain mercury or generate heat. The Dubai Municipality plans to install 10 million Dubai Lamps before the end of 2021.

‘It will be made the basic requirement for getting a building completion certificate. This will be beneficial for both sides. The owner of the building will be able to save a lot of money on energy charges and we will able to protect the environment,’ Hussain Nasser Lootah, director general of Dubai Municipality, told The National.

‘In the beginning, we will concentrate on new buildings and we will complete a study of old buildings to see what can be done.’

Lootah said the latest agreement which is in line with government directives, supported the Dubai Integrated Energy Strategy, which targets a 30 percent reduction in energy consumption by 2030, and the Dubai Carbon Abatement Strategy, which is aimed at reducing carbon emissions by 16 per cent by 2021.

The lamps will be available in four models, both in cool daylight and warm white colours. That includes 1W candle lamps to replace the 25W incandescent lamp, 2W bulbs to replace 40W incandescent lamps, 3W bulbs to replace 60W incandescent lamps, and the 3W MR16 Spot to replace 50W halogen spots.

Novel Energy Lighting supplies the full range of Philips LED lamps, tubes, and luminaires. Please visit us today, or email: sales@novelenergylighting.com or call (0208-540-8287) to discuss you project needs.

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With the advent of LED lighting, the relationship between legacy dimming technology and LED lamps has become an uneasy one.  Here MEGAMAN® shows how to overcome such difficulties.

New for old?

One of the big areas for dimming problems comes when home owners decide to switch out all of their traditional lamps for LEDs, but don’t change the dimmers at the same time.  This is largely down to the lack of public knowledge about the fact that trying to combine old and new technologies can lead to all kinds of issues.

The problems that can occur when new and old are combined include: lamp flicker, flashing, an inability to dim as low as required and failures with the LED and/or dimmer.  Even if the LED lamps seem to initially respond well to dimming, over time, the use of LED light sources on a legacy dimmer can have longer-term implications that lead to call-backs, weeks or months after installation.

The root of the problem

Almost all legacy dimmers designed for incandescent light sources are leading edge or trailing edge dimmers that commonly use a TRIAC/transistor as the key control device.  This chops out parts of the voltage and reduces power to the light source in order to achieve the dimming performance.  Though these work with incandescent lamps, LED lamps have an internal filtering circuit that distorts the supply signal and can result in system oscillations that are observed as flickering or flashing.

As well as encountering flickering and variable dimming performance, in extreme cases incompatible dimmer switches cannot be turned on, or suddenly shut off, can burn out, or permanently damage the LED lamps.  In addition, traditional dimmers have a minimum load requirement of 40W or 60W, something that causes problems when replacing them with low wattage LED equivalents.

GU10’s – the LED opportunity

With halogen directional reflector lamps being phased out across Europe from September 2016*, there will be an increased push from homeowners for LED replacements.  With the advances in LED lighting technology, there are now a wide range of exceptional alternatives to halogen lamps.

However, dimmable LED GU10 lamps are complex pieces of engineering, as they have to house a transformer, as well as dimmable driver components.  There are at present a lot of dubious dimmable LED replacement lamps on the market.  As with most things, you get what you pay for.  So avoid the lower end of the market and choose a trusted LED manufacturer.

MEGAMAN has just launched its new selection of GU10 lamps (that incorporate the company’s new Hybrid Reflector and U-DIM™ technology – see products here).  Available in both the popular Economy range and Professional range, these lamps are compatible with the widest possible range of existing dimmers, whether they are leading-edge or trailing-edge.

Overcoming LEDs and Dimming Problems:

Solution One: When keeping the traditional dimmer

For those installers faced with a homeowner who wants to keep their dimmers, wants LEDs and yet doesn’t know what type of dimmer has been installed, a solution is now at hand.  MEGAMAN has developed its new U-DIM™ technology, which takes the headache out of switching to dimmable LEDs.

MEGAMAN U-DIM dimmable LEDs are compatible with the widest range of existing dimmers, whether they are leading-edge or trailing-edge dimmers.  With the mains voltage halogen reflector lamps being phased out in Europe from 1st September 2016, home owners will need new lamps to operate perfectly with their existing dimmers and this dimming solution is a giant step in that direction.  U-DIM LEDs are easy to use and it is possible to ‘plug-and-play’ to upgrade a lighting scheme.

MEGAMAN U-DIM technology is offered as a standard feature on MEGAMAN Dimming LEDs and they offer superior performance and flicker-free dimming from 100% right down to just 5%.

Solution Two: When replacing with new LED dimmers

Dedicated LED dimmers are a good way to overcome many of the traditional dimmer/LEDs issues.  This is because they use micro control units to monitor and eliminate waveform noise and distortion, generating a digital signal to the control component that creates a stable and clean chopped waveform.  If these dimmers are combined with LED lamps that have been tested and approved for compatibility (this is usually found on the dimming and/or LED lamp manufacturer’s website) – see the MEGAMAN one here as an example, then smooth LED dimming is guaranteed from day one of installation.

Dimming LEDs Checklist:

• Buy dimmable LEDs from a brand you trust

They will have tested a wide variety of dimmers with their lamps and have more comprehensive dimming compatibility lists

• Trailing edge dimmers work best with LEDs

However, if the client doesn’t want to replace their leading edge dimmers, then use LEDs that have been proven to dim well with this technology, such as MEGAMAN U-DIM LEDs

• If in doubt, contact the LED manufacturer

Unsure of whether the dimmer and LEDs are compatible?  Check with the manufacturer’s online compatibility list, or contact their team for more advice

*For more information on the halogen ban – visit www.planfortheban.eu

Visit Novel Energy Lighting to buy your Megaman U-DIM GU10 lamps today

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• only 1% of those surveyed think lighting is of no importance in the customer experience.

• 72% have left a venue earlier than planned because it was too brightly- or poorly-lit
• 74% have stayed longer than planned because the lighting made them feel relaxed and welcome.

• “somewhere that draws you in” (36% of respondents)
• “somewhere to spend time” (34%)
• “somewhere to go back to” (26%)
•  none of the above (4%).

• the effect and ambience of the new lighting (67%)
• the ability of staff to dim the lights (43%)
• energy bill/CO2 savings (31%)
• the upfront costs (23%).

• the new lighting had been well received by customers – 84% of customers gave positive feedback on the lighting refurbishment
• good lighting boosts business – 91% think the lighting refurbishment had a positive impact on business in terms of an uplift in sales or profits
• education is still needed about the benefits of LEDs.

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Light inspires, light stimulates, light seduces

The correct lighting puts the customers in a buying mood. This starts in the shop window: Effective lighting causes people to pause in fascination. In the sales area the light takes on several roles: from simple orientation, via accenting the products to the staging of the entire indoor area. The right light is pure sales promotion – in retail, in shopping malls and in warehouses. Lighting creates atmosphere, puts products in the right light, supports customer guiding and emphasises the brand image. 

Clear potential saving by efficient light

Modern durable lighting solutions from the OSRAM Group

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Don’t wait for the phase out, switch and save today with LED alternatives!

In order to reduce C02 emissions, the European regulation is being enforced to stop the manufacture of inefficient directional halogen lamps.

From September 1st 2016, manufacturers will no longer produce:

• Halogen lamps directional from
  C & D classes
• Related products are PAR, R50/R63/R80
• MR11 (low volt with below 4,000h)
• MR16 main volt: low volt with below 4,000h

Switch to LED alternatives to save energy, reduce C02 and save money. Novel Energy Lighting offers a full range of LED lamps, tubes, and fittings from various top quality brands. To see all our products please visit us at: www.novelenergylighting.com, or call us 0208-540-8287, email: sales@novelenergylighting.com

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