RiskXtraDecember2018

FIRE SAFETY
Pulse Alert VADs
lower installation
costs, making the
latest fire evacuation
technology affordable
and, importantly,
without compromising
performance
EN54-23 for VADs
Pulse Alert Technology is fully
compliant with EN54-23, the
European Standard for Visual
Alarm Devices (VADs). EN54-
23 specifies the minimum
performance requirements
for VADs, providing
performance criteria and test
methods in a uniform and
consistent way. This affords
manufacturers a mechanism
to specify VAD device
performance, allowing
system designers to choose
the most appropriate device
for a particular application
Pulse Alert Technology
Fire alarm systems should be able to evacuate Sonos Pulse and Nexus Pulse LED circuits are both
everyone. Relying on audible fire alarm
designed to provide over five years of continual
notification alone, however, disadvantages operation without any degradation of light output
those individuals with hearing impairments or • Lens Technology The optics for both ceilingmount
and wall-mount versions are optimised to
those working or living in a sound-reducing
environment. Even something as simple as wearing produce an even light dispersion over the covered
a pair of headphones could prevent someone from area. This minimises ‘hot spots’ and ensures that
hearing an audible fire evacuation warning. In all of the available light is contributing towards
order to truly evacuate everyone from a building, alerting people of a fire emergency
fire alarms should signal effectively using light as
well as sound.
Coverage details
Klaxon Signals’ Pulse Alert Technology is a The simpler an evacuation system is, the more
beacon warning system which produces a light effective it’s likely to be. Sonos Pulse and Nexus
output that can protect most rooms with just a Pulse fulfil evacuation requirements with just a
single device. Using new LED lighting technology single device for most rooms. Ceiling-mounted
derived from automotive applications, it disperses devices are rated at 15-metre diameter coverage,
light evenly and efficiently, maximising its
while wall-mounted devices can cover an 11.5 x 11.5
effectiveness. The solution’s
square metre room. System
patented electronic design also
design requirements are
maximises electrical efficiency
therefore made easier,
and reduces current
evacuation messages are
consumption, minimising the
clearer and more people are
cost of ownership and allowing
protected than ever before.
more devices to be installed on
a single alarm system.
Energy efficiency
Pulse Alert Technology
Pulse Alert technology ensures
provides all the benefits that an
that Klaxon’s VADs notify all
EN54-23-compliant system can
personnel of a fire emergency
bring, while answering all of the
while also reducing the power
design challenges in doing so. This
consumption of each device. This means
means a greater coverage area with lower current that systems can be upgraded without imposing
consumption and greater flexibility for system any restrictions on the number of devices used or
designers, as well as reduced cost of ownership for compromising system performance.
end users – all without compromising on
Low power consumption is vital to fire system
evacuation notification performance.
designers and installers – Sonos Pulse and Nexus
Pulse ensure that all buildings can realisee the
Pulse Alert Technology
very best fire evacuation scenario.
Pulse Alert is able to provide EN54-23-compliant
visual alarm signalling without any increase in Low installation costs
power consumption because of three technological Pulse Alert VADs devices lower installation costs,
breakthroughs:
making the latest fire evacuation technology
• Intelligent Power Management Pulse Alert affordable and without compromising
converts power intelligently, minimising power performance. A wider coverage area per device
usage and presenting a near-perfect current source reduces both the number of devices required and
to fire alarm panels. This means the Sonos Pulse expensive cabling requirements, while in parallel
and Nexus Pulse VADs require less power than low current consumption removes the need for
previous models, while also exceeding EN54-23 additional power supplies.
light output requirements
With a greater coverage pattern, fewer devices
• LED Drive Pulse Alert features the latest high are needed to cover open areas. Sonos Pulse
power LED technology and advanced LED drive ceiling-mount units have a 15-metre coverage
circuitry, further improving efficiency, light output diameter capable of covering a 10 x 10-metre room
performance and long-term device reliability with a single device.
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