News

Date/Range:  18-JAN-2010

Short Abstract:  RCS – Dialight PLC – New LED Street Light delivers multiple benefits

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Dialight PLC
18 January 2010

Dialight plc
New LED Street Light delivers multiple benefits for owners and citizens
Dialight launches the StreetSENSE SL Series LED Street Light as a highly energy-efficient and ‘green’ alternative to the
conventional Street Lighting solutions that are now required to be replaced as a result of government mandates in the US.
Farmingdale, NJ — The latest new product launch from Dialight, world leader in applied LED technology, is a pole mounted
cobra head full cut-off Type II LED luminaire that is ideal for walkways, residential and city roads, bike trails, parking
lots and similar applications.
The Dialight StreetSENSE SL Series LED Street Light is designed as an energy saving alternative to the older mercury vapor,
high pressure sodium and metal halide fixtures currently used in Street Lighting applications.
Replacing a typical 250W mercury vapor luminaire with a 100% mercury-free 131W StreetSENSE SL Series Street Light LED
fixture brings immediate benefits. LM-79 certified at over 50 lm/W, it consumes up to 55% less energy than the conventional
lights; thereby cutting down more than half a ton of CO2 emissions per fixture and preventing environmental pollution.
Under the US Federal Energy Policy Act (EPACT 2005) and the US Energy Independence and Security Act, conventional mercury
vapor lamps and all 150-500 watt metal halide probe start ballasts were mandated to be substituted with more energy
efficient alternatives. DOTs and other utilities have already started replacing conventional inefficient fixtures with the
support of US-DOEs stimulus funding.
Efficiency is further enhanced by its instant-on/off ability, zero warm-up time to full illumination and photo controller
compatibility for dusk-to-dawn automatic operation.
Additionally, the efficient optical system coupled with the directionality of the LEDs focuses the light just where it is
needed, avoiding light pollution. StreetSENSE prevents direct glare and brings back the joy of night time sky viewing to
the public, through its Dark Sky Association compliant reflector design.

All Dialight StreetSENSE Street Light fixtures come with a projected fixture service life of more than twelve years. LEDs
are rugged solid state devices with no moving parts or filaments, so unlike conventional lamps, they do not fail. Instead
their light output degrades over time and in certain situations could provide sufficient illumination for even more than
twenty five years. This translates to enormous savings by the elimination of frequent lamp changes and reduction in
maintenance costs as well as reducing the exposure of maintenance workers to dangerous highway traffic. For road users and
pedestrians, they deliver added safety by producing a quality of light that is vastly superior to conventional sources and
by eliminating dark areas resulting from burned out conventional lamps.
StreetSENSE’s corrosion resistant powder coated die cast aluminum housing and the IP66 rated light engine assembly are
designed to withstand roadway vibration per ANSI C136.31 and are also protected against failure from electricity spikes
caused as a result of lightning. The fixtures are additionally certified to UL 1598 and CSA standards.
Looking to the near future, the StreetSENSE fixture has further been designed to work in cohesion with advances in ‘smart’
communication infrastructure around the world. The Street Lights will become ‘smart lights’ providing real time feedback to
their control center on traffic conditions and periodic self-diagnostic checks. This means that the maintenance crews will
neither have to perform a field survey themselves nor wait for a complaint to be reported in order to replace burned out
lamps! The ability to control the fixtures remotely will also provide capabilities to dim and, shut off fixtures
individually or as groups.
The StreetSENSE SL Series LED Street Light is available through Dialight’s global network of authorized distributors.
-ENDS-
Media enquiries:
Christine Gupta, Tel +44 131 476 3966,
Christine@guptapartnership.com

Analyst enquiries:Andrew Jones, Kreab Gavin AndersonTel +44 207 074 1800ajones@kreabgavinanderson.com]

About Dialight
Dialight plc is leading the lighting revolution for industrial users across the world. Applying leading edge LED technology
it produces retro-fittable lighting fixtures designed specifically for hazardous locations, obstruction lighting, traffic
and rail signalling to vastly reduce maintenance, save energy, improve safety and ease disposal. Versions of these high
specification luminaires are also produced for more general industrial and outdoor situations. The company is headquartered
in the UK and listed on the London Stock Exchange (LSE:DIA.L, GB0033057794),  with manufacturing locations in the UK, USA,
Germany and Mexico. For more information about the company please visit dialightdev.wpenginepowered.com.
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