Quantcast Figure 34. Camera Housings and Enclosures

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general, the vast majority will involve the use of camera housings.  The
designer should also keep in mind that major U.S. CCTV system manufacturers
do not make their own camera housings, so that while housings may be listed
in their catalogs, it is often more cost-effective to procure the housing(s)
from the housing manufacturer.  Housings come in all shapes and sizes for
all applications and in varying price ranges.  Figure 34 depicts some of the
more commonly used housings found in DoD and Navy applications.  Key
considerations for the designer are:
a) The primary purpose of housings for interior applications is to
provide tamper protection and limited environmental protection.  If the
threat is so great that the housing requires a tamper alarm (usually a
BMS), then it should be connected to the IDS system as a separate type of
zone indication.  Since some housing devices for environmental control are
mechanical in nature (windshield wipers, blowers, etc.), the indoor ambient
environment should be examined very closely so that only those required are
specified. Over-specification of such devices is a common error which has
adverse consequences in maintenance and spare parts expenses.


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