Ever since Thomas Edison invented the incandescent lamp 100 years ago the humble light bulb hasn’t really ventured too far from the original design. Not all lamps use a filament however the glass bulb or tube is still the main source of lighting in it’s many forms.

In recent years LED lighting technologies have developed to the stage where light output is at levels that can challenge standard lighting styles. Some LED chip efficiency has increased to a stage where light output has exceeded 100lumens/watt from some of the major LED chip manufacturers.

Pacific Ex represent lighting manufacturer Hadar Lighting from the UK. As a leading innovator in hazardous area lighting Hadar now manufacture LED Floodlights that carry IEC Ex certification. These LED floodlights embrace the benefits of this new technology which makes them extremely relevant for the oil and gas industry.

The structure of an LED chip means the light produced is directional and as it is derived from a point source it radiates directly forward of the back of the chip. This is one of the key benefits of LED lighting in that through the use of optical lenses the light can be directed very accurately to where it is required – meaning less wasted light and less wasted energy. The directional nature of the LED does not require the use of reflectors to focus the light and ensures that all generated light is used – reflectors will incur some losses as well as scattering the light.

Being solid state lighting technology, as the name suggests, there is no filament and the LED chip is mounted on a metal heat distribution plate so there is excellent resistance to vibration. The other benefit of the LED is the superior life – around 10 years and this does not refer to end of life but to the light output reduced to 70% of it’s initial value. With an increase in lumens/watt the LED floodlight can exceed the lighting efficiency of standard lighting technologies.

The combination of multiple small LED’s makes thermal management easier as well as creating a larger light source.  The smaller size of the whole light fitting means that it is much lighter and more easily installed. The Hadar LED floodlight weighs only 6kg.

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