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UK GlobePhotometric & Optical Testing Services - Your Measure of Confidence in Independent Light Measurement

We are an independent lighting and optical test laboratory and your partner for testing LEDs, luminaires, lamps, displays, signs and vehicle lighting. From standard photometric data to photobiological safety testing, from training courses in light measurement to developmental testing of new products, let Photometric Testing save you time and money and help you to bring the next generation of ultra efficient lighting products to market more quickly. We provide training in light measurement, photobiological safety and lasers and offer measurement services for characterising the optical properties of materials - such as reflectance, transmittance, colour and BRDF / BTDF scatter.

Photometry   Polar Chart   News   Living Lighting Workshop
Measurements   Talking Photometry
  News   London, 4 April 2017
For light souces, displays and signs, we measure the amount of light produced, its colour, its rendering quaility and its spatial or angular distribution. We also report the energy efficiency (LOR, luminous efficacy, energy efficiency index) and photobiological risk group. We compile photometric data in .ies and .ldt (EULUMDAT) standard formats as well as UGR glare rating tables. We also measure the optical properties of materials (reflectance, transmittance and scatter). » More    Our latest "Talking Photometry" tech blog articles:

What is "flicker" and why is it a problem with SSL? 


How to measure the colour uniformity of arrays of LEDs

LED Array

Understand why phosphor white LED lighing can suffer from undesirable colour zoning

LED Colour Zoning

» More Talking Photometry articles

  Apr 2017: read A1 Lighting's review of our "Living Lighting" technical workshop

Dec 2016: congratulations to Mr Anthony Worsdell of Consolite who won our Christmas Hamper Prize Draw - thanks to all who took the time and trouble to return our recent client surve

Feb 2016: 2016 training schedule - dates for photometry & light measurement, photobiological safety and laser safety training workshops have been announced

Mar 2015: Size IS important and we've just invested in a 2m integrating sphere photometer for our Cheltenham laboratory

  Feb 2017: Photometric & Optical Testing Services is holding a one-day “Living Lighting” workshop on April 4th 2017 to help business and technical leaders understand some of the most important technical challenges facing the lighting industry and to present the latest developments in lighting safety standards and performance metrics. The event name “Living Lighting” was chosen to reflect the scope of the workshop, which is to promote the highest quality of lighting.

Experts from industry and academia will talk on four areas of popular concern to lighting professionals:

► LED flicker and product risk assessment in relation to IEEE 1789

► The assessment of the photobiological safety of lighting products per BS EN 62471 and 60598

► The new IES TM-30 light source colour rendering metric

► Glare from LED luminaires – what it is and how it can be reduced

» More

Light measurements don't have to be testing with fast, accurate and affordable photometric test equipment from our sister company Pro-Lite. Pro-Lite supplies:

► Integrating Spheres

► Goniophotometers

► Light Meters

► Spectroradiometers

► Equipment Hire

» Click here to jump to the Pro-Lite web site.