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Differences Between Heat and Smoke Detector
The heat detectors are round and have an half-white aluminum cover
that are roughly 7 inches in diameter and 3 inches in height with
a round, brass-colored metal disk at the center of the cover.
They
are intended especially to supplement smoke detectors to warn of fire.
The mechanical heat detectors do not use electricity or batteries
for its working. Automatic or wireless heat detectors detect the growing
fire by using electronic sensors to detect the smoke, heat, or flames
from a fire and providing an early warning.
Choosing Heat Detectors
Each type of heat detector has its own features, styles and advantages.
If you were to place a ROR or rate-of-rise heat detector above a large,
closed oven, then every time the door is opened a nuisance alarm could
be generated due to the sudden heat transient. In this circumstance
the fixed threshold detector would probably be best. If a room is
protected with a fixed temperature heat detector filled with highly
combustible materials, then a fast flaming fire could exceed the alarm
threshold due to thermal lag. In this case the rate-of-rise heat detector
may be preferred.
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Types of Heat Detectors
Fixed temperature detectors detect abnormally high temperatures, Fusible
link heat detectors use a detection element that break up at a predetermined
temperature. This is usually utilized in compressor and equipment
buildings and open areas around production equipment and wellheads.
Pneumatic Heat sensor is a pneumatic type wireless heat detector that
detects abnormally high temperature along a length of tubing. It is
typically used around engines and turbines, glycol re-boilers and
pressure vessels. Rate of Rise Detectors is a solid-state detector
for unusually rapid temperature rise. They are usually placed in closed
areas, used in storerooms, warehouses and other areas in living quarters.
Advantages of Heat Detectors
No necessity to change batteries
No annoying beep when the battery is low
Inherently secure and reliable
Resistive against contagion like UV and IR rays
Affordable compared to other detectors
Best loop capability
Immunity towards electromagnetic interference
Sometimes it is not enough if you just have a smoke detector to sense
out a fire before it causes damage. You need to install heat and smoke
detectors in order to be certain. In many environments even when smoke
detectors fail to sense fire due to various interferences, heat detector
will be able to detect quickly and alert you. Maintenance of your
heat detector equipment and heat detector parts is equally important
to get the best out of it. Hope the information on heat detectors
given in this article would have helped you to choose and install
the right heat detector.
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