 New
Industrial Flame Detectors Added To Hochiki Offering
A new range of fast-response industrial
flame detectors has been launched by Hochiki Europe
designed for applications where open flaming fires are
likely to occur.
The new Hochiki IFD detectors respond only to the light
emitted from flames; they can be relied upon to
differentiate between flames and other light sources and
so avoid false alarms that might otherwise be caused by,
for example, flickering sunlight. This is because the
detectors respond only to specific optical wavelengths
and flame flicker frequencies.
 The range comprises three models. These
are the
Hochiki
IFD-E, the intrinsically safe IFD-E (IS), and the
explosion-proof IFD-E (Exd). The Hochiki IFD-E is a
standard IR3 flame detector – a detector that
views the flame at three
wavelengths – that is particularly suited
for use in high-risk petrochemical installations, as it
is ideal for detecting flames from burning aviation fuel
and petrol, natural gas, butane and hydrogen.
It is also the right choice for fires
involving solid materials such as grain, feeds and
paper. The intrinsically safe model is certified to the
ATEX Directive EEx ia IIC T4, while the explosion-proof
version is certified to EEx d IIC T6.
The detectors are suitable for a wide
variety of industrial applications, as they are not
affected by convection currents, drafts or wind; they
are also unaffected by fumes, vapours, dust and mist.
So, in addition to petrochemicals, Hochiki believes the
new IFD range meets the needs of the aviation and
pharmaceutical industries, storage facilities, tunnels
and waste and recycling operations. They have a minimum
90 degree field of view and respond to flames more than
25 metres away. The new Hochiki detectors provide Class
One performance when on their high sensitivity setting,
as set out in BS EN 54-10: 2002 – Fire detection and
fire alarm systems (flame detectors) – and offer the
in-use benefit of optical self testing.
 They incorporate volt-free contacts from
two latching or non-latching internal relays RL1 (fire)
and RL2 (fault or pre-alarm) that can communicate the
detector’s status to the control equipment. The
detectors are normally configured to latch into an alarm
state when a flame is detected; in non-latching mode the
detector produces an alarm signal only when a flame is
in view, resetting itself to normal when the flame has
gone.
Hochiki Europe (UK) has been active in
the fire safety market since 1986, and is a subsidiary
of the Tokyo-based Hochiki Corporation that was founded
in 1918. Today, Hochiki Europe is headquartered in
Gillingham in Kent and designs, manufactures and markets
a broad selection of premium-build fire detection and
alarm products and systems throughout Europe, the Middle
East and Africa. Further information is available by
telephone on +44 (0)1634 260133, or via email at sales@hochikieurope.com.
The company’s website is at
www.hochikieurope.com.
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