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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   Photometry Training
Measurements   Talking Photometry
  News   Training: March 12-14

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

“Learn the Language of Light – Training in Light Measurement, Photometry & Photobiological Safety”

Our next Light Measurement, Photometry & Photobiological Safety Training Seminar will take place at our Cheltenham laboratory on 12th-14th March 2018. This two or three day training is designed for engineers as well as technical marketing personnel who are working with LEDs, lighting, displays and vehicle lighting. For 2018, the Photometry Training has been expanded to two full days, which now includes both the theory of light measurement and practical hands-on sessions in the Photometric Testing laboratory. The Photometry Training now serves as a lead-in to the Photobiological Safety training module held on the third day. Delegates can choose to attend either the Photometry or the Photobiological Safety modules (or both).

New topics added to the training include:

 - How to read LED & luminaire
 - Understanding flicker and the
   IEEE 1789 method
 - Colour rendering and the new
   IES TM-30-15 method
 - Compliance with BS EN
   60598:2015 with regard to
   photobiological safety and the
   blue light hazard

» 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.