National Physical Laboratory

NPL validates LED performance

The National Physical Laboratory (NPL) worked with MHA Lighting to help them independently verify the efficiency and quality of their energy efficient lighting products.

MHA Lighting's TiLite LED lamp - one of the products tested by NPL
MHA Lighting's TiLite LED lamp - one of the
products tested by NPL

Background

The Carbon Trust estimates that the implementation of energy efficient lighting products such as LEDs could save UK businesses around £700 million each year in energy costs, while also reducing carbon emissions by 10 million tonnes. However, to succeed in the marketplace these products must meet, or preferably exceed, expectations with regards to lighting performance.

NPL is supporting the lighting industry by providing the reliable, unbiased performance information that is needed to test this.

The Challenge

MHA Lighting's LED technology is unique because it shines light sideways into encapsulation, avoiding direct contact with the eye and providing a safe and efficient light output. This also means that their lamps can provide energy savings of up to 80% with comparable or even better lighting performance than traditional incandescent bulbs.

MHA Lighting chose NPL to measure the optical, electrical and thermal properties of a range of their lighting products, and independently validate their claims of efficiency and quality.

The Measurements

NPL provided these accurate and traceable measurements, while working closely with MHA Lighting experts in the laboratory to ensure the information provided was fit-for-purpose.

Paul Miller, who led the work at NPL, said:

"Using this approach, the customer gets more than just numbers they can trust. We also provide access to our world-leading facilities and expertise, which allows rapid development of products to meet specifications. Tailoring the measurements allowed MHA Lighting to develop a product that is both efficient and delivers the right amount of light where it is needed."

The Impact

Improved measurements like those provided during this work are essential for lighting manufacturers such as MHA Lighting to be able to justify claims of efficiency and quality and the successful uptake of technologies such as LED lighting will ultimately depend on consumer confidence in the manufacturer's claims.

Absolute photometric lighting design in a hospital using NPL measurements Absolute photometric lighting design in a hospital using NPL measurements
Absolute photometric lighting design in a hospital using NPL measurements

Tom Harrison, Managing Director of MHA Lighting, said:

"The LED lighting industry is young and immature and there are stories aplenty regarding quality failures. Good measurement improves productivity and quality; it underpins consumer confidence and trade and is vital to innovation. We are extremely proud that our photometric data has been produced by NPL. Their independent data not only provides us with the credibility we need with potential customers but reassures us that the data we have for our products is correct."

About the Customer

MHA Lighting is an award-winning lighting manufacturer based in Greater Manchester. MHA Lighting is the only LED manufacturer to shine light sideways into an encapsulation avoiding direct contact with the eye and providing a safe and efficient light output. They also use acrylic rods to amplify and control the light output, reducing the number of LEDs required. This means they can use high power LEDs, draw less current and have no need to diffuse the output.

More on NPL's work with the Lighting Industry

More on NPL's work in Optical Radiation & Photonics

This work was carried out by the Centre for Carbon Measurement at NPL, which aims to reduce uncertainties in climate data, provide the robust measurement that is required to account for, price and trade carbon emissions, and help develop and accelerate the take up of low carbon technologies.

For further information, please contact Paul Miller

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Last Updated: 10 Oct 2012
Created: 10 May 2012

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