Page 83 - Industrial Plant 2020

EVLT model

emission area which allows greater illumination and detected heat. With the ambient temperature at 18°C
reduced glare”. (as shown by the blue background) the LED lamp
All models were also subjected to new explosion tests barely touches 42° at the hottest point. This thermal
which allowed to extend the range of the ambient performance is tangible proof of the high efficiency of
temperature to -40°C + 60°C and to reach, with gas LED lamps as a source of light.
group IIB+H and IIC, temperature classes colder (T5)
2
for some models. The EVL series innovation project also
As regards the electrical and photometric included the development
characteristics, the choice of supply voltages and of a transportable version
powers has been expanded to meet all possible with electronic driver
application requests: the supply voltages range go
from 12 to 277 V for each of the 4 sizes, while the The geometric conformation of the cooling fins was
powers available start from 20W up to 220W, with also designed with the objective of minimizing the
steps of 10W and 20W. All this is reflected proportionally deposit of combustible dust, allowing the self-cleaning
into different lumen outputs ranging from a minimum of of the lighting fixture by air or water present in the
1,700lm to a maximum of 21,000lm. environment. Furthermore, thanks to the absence of
In the technological world, the state of continuous UV emission, there is no ionization of the air particles
improvement is called permanent beta mindset, that is, around the lighting fixture, an intrinsic characteristic of
a state of permanent beta in which the improvement of LED technology which limits the attraction of dust and
the product is constantly pursued in order to insects.
increasingly satisfy customer requests and increase the The design of the lamp body, in addition to being
value offered to the market. The EVL series innovation functional to the duration of the system, gives the
project also included the development of a transportable equipment very high light efficiency in relation to the
version with an electronic driver, to be used mainly in maximum surface temperature (T), a very important
inspection and maintenance activities on industrial factor for the installation of lighting fixtures in places
plants and tanks, and a model specifically designed for with explosion hazard, containing gas or dust at low
a rapid and a timely replacement of the old generation ignition temperature.
discharge lighting fixtures installed directly on a pole. A further saving is obtained thanks to the fact that,
From a mechanical point of view, the EVL series is while discharge lamps require a preheating time for
characterized by a patented design: the body, made of their complete ignition and, for this reason, often
aluminium alloy, is equipped with fins that act as a heat remain on 24 hours a day, the EVL series lighting
sink allowing a fast and effective dispersion of heat fixtures, featuring an immediate ignition (Instant
generated by the normal operation of the LED, as can Restrike), can be effectively connected to automatic
be seen from the thermal imaging. ignition systems in case of low light, allowing the use
Following a very brief initial period, the lighting fixture only in the periods of time really necessary and,
reaches thermal stability. This image shows the consequently, further savings in energy costs.

IndustrIal Plants - May 2020
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