Luxmeters have served the technical community well for many years. They are, in general, relatively robust, easy to use and cheap (although the old adage of “you get what you pay for” always applies)

British Standard BS667 governs the calibration of luxmeters in the UK, requiring calibration against a tungsten source at a colour temperature of 2856K. This source, called Illuminant A, is spectrally smooth with energy at all visible wavelengths and is similar to the output of an old-fashioned 60W bulb.

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Since 2008, OTC has a key target of ensuring all in-house calibrations are completed within 5 working days. Over the last 3 years, we have carried out cross-discipline training to improve our job flexibility so that all calibrations can be carried out by at least two technicians.

Although we have a little way still to go, operations director Kenny Dove has been keeping score and while our calibration turnround of 93.4% during 2008 was good, our changes resulted in an impressive improvement across 2009 to 98.8% and 99.0% for last year.

Kenny says: "We have been delighted with our improving turnround statistics over the last few years and these statistics highlight the dedication and commitment of our team. We know that downtime can be costly and OTC will continue to find ways to improve our calibration service to our customers."

After many years of providing photometric test equipment and service to the lighting and allied industries, Megatron closed down their operations in March 2010 and OTC has continued to provide UKAS accredited calibration of their professional light meters. This has been very successful with over 80% of Megatron calibration customers now using our service.

We also continue to carry out simple repairs but if a Megatron meter cannot be fixed, OTC has a range of suitable replacement meters, supplied complete with half-price calibration.

Details of our light meters range can be found here.

Since September 2008, OTC has been an Exfo distributor of their Enterprise and NSP products covering handheld optical power meters (EPM and FPM ranges), light sources (ELS and FLS ranges) and loss test tests (FOT-300, FOT-600, FOT-930) through to the OTDR ranges of AXS-100, FTB-200 and FTB-400.

In addition to the service facility, OTC is also an appointed sales distributor for the product range covering the geographical areas of the United Kingdom, Ireland, Sweden, Norway and Denmark.

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