12 Intelligent Reflective Beam Detector
The intelligent reflective beam detector is a compact detector for
detecting smoke in large open areas such as atria, warehouses,
theatres and churches.
The transmitter and receiver form a single unit mounted to a wall of
the building. A reflector which returns the IR beam from the
transmitter to the receiver is mounted on the opposite wall. In the
event of smoke partially obscuring the light an imbalance between
the transmitted and received light will occur. On interrogation by the
control panel the detector will then transmit an alarm value.
The intelligent reflective beam detector is supplied in two versions:
one for use at distances of 5–50m from detector to reflector and the
other for distances of 50–100m. Both units incorporate a short
circuit isolator.
The detector is non-latching and resets 30 seconds after an alarm event ceases and in 3 seconds after the
removal of a fault. A termination backbox, part no 29600-241, is available. This allows easy first fixing of the
cabling and terminations to the intelligent reflective beam detector. The termination backbox can be surface
or flush mounted.
55000-273APO 201-0171
13 Loop-Powered Sounders, Beacons & Sounder Beacons
There are two types of loop powered sounder available, allowing fire engineers to specify not only the sound
output but also the functionality of individual sounders.
The 85dB(A) Low-Profile loop sounder is intended for use in confined spaces such as hotel rooms and
corridors. It is designed to have a base and detector mounted upon it, but can also be used as a stand-alone
sounder. The 100dB(A) loop sounder is intended as an open-space sounder, where a higher output is
required.
Alarms may be signalled visually by means of a flashing beacon. Combined sounder beacon units are
available where both audible and visual signalling is required.
The following types of device are available:
Ancillary Base Sounder
A local-area sounder with an integral base for a detector head. The
sounder is switched by the detector remote output and needs no
address of its own. Sound output 85dB(A) at 1 metre.
Product Description Product Number
XP95 Ancillary Base Sounder
45681-276AMP
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