ORBIS
8
WHERE TO USE
MULTISENSOR SMOKE
DETECTORS
Multisensor smoke detectors are
recognised as good detectors for general
use but are additionally more sensitive to
fast burning, flaming fires–including liquid
fires–than optical detectors.
They can be readily used instead of optical
smoke detectors but should be used as
the detector of choice for areas where
the fire risk is likely to include heat at an
early stage in the development of the fire.
As with Orbis optical smoke detectors
the increased reliability of detection is
combined with high immunity to false
alarms.
The multisensor smoke detector has two
sensors, one for smoke, one for heat and
the alarm decision is derived from either
sensor or a combination of both. The
multisensor is a development of the Orbis
optical detector described in the previous
chapter and goes further in its capabilities
of fire detection.
The optical sensor is identical to the
one in the Orbis optical detector. Its
sensitivity is, however, influenced by a
heat sensing element which makes the
detector more responsive to fast-burning,
flaming fires.
ENVIRONMENTAL
PERFORMANCE
The environmental performance of the
multisensor detector is the same as that of
the Orbis optical smoke detector.
ORBIS
MULTISENSOR
SMOKE
DETECTOR
Part Number ORB-OH-13001-APO
www.acornfiresecurity.com
www.acornfiresecurity.com
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