vid3 Flashcards
consisting of series of fixed luminaries to flood given area continuously overlap.
STATIONARY LUMINARY(CONTINUOUS)
the most common security-lighting system.
STATIONARY LUMINARY(CONTINUOUS)
the intensity is focused to the intruder while the observer or guard remains in the comparative darkness. The lighting is toward the approach of an entrance to an installation. Lights with reflectors increase glare.
GLARE PROJECTION TYPE
the width of the lighted stop can be controlled and adjusted to suit the security needs. The lighting is focused, sag, on a file of items rather than on the background.
CONTROLLED LIGHTING
Similar to continuous lighting but turned on manually or by special device or other automatic means, when there is suspicion of entry.
STANDBY LIGHTING
is referred to as “crash” lighting.
STANDBY LIGHTING
Stationary or portable, manually operated searchlights which maybe lighted continuously during hours of darkness or only as needed, and usually supplementary to either to the first 2 types.
MOVABLE LIGHTING
Duplicative of existing lighting system that is utilized in the event of electric failure.
EMERGENCY LIGHTING
Project light in a concentrated beam use in boundaries and fences.
FLOODLIGHTS
highly focused incandescent lamps used to pinpoint potential trouble spots.
SEARCH LIGHTS
Wide beam units, primary used to extend illumination in long, horizontal strips to protect approaches to perimeter barrier.
FRESNEL lIGHTS
they are widely used in parking areas
STREET LIGHTS
· It assists the security in detecting, impeding, or deterring potential security threat in the installation.
PROTECTIVE ALARMS
Its function is to alert the security personnel for any attempt of intrusion into a protected area, building or compound.
PROTECTIVE ALARMS
it emits aural or visual signals or both.
SENSOR OR TRIGGER DEVICE
a circuit which transmit the message to the signaling apparatus.
TRANSMISSION LINE
it is the signaling device that activates the alarm. It can be a bell, buzzer, light flashing, and so on.
ANNUNCIATOR/ENUNCIATOR
Type of protective alarm system where the central station is located outside the installation. When alarm is sounded, central station notifies police and other agency.
CENTRAL STATION SYSTEM
This function in the same way as central system except that it is owned by, operated and located in the facility. Response to all alarms is by facility’s own security or fire personnel.
PROPRIETARY SYSTEM
· In this system installation circuits are led into local police or fire department by lease telephone lines.
· Installed outside the building or nearby law enforcement agencies.
AUXILIARY SYSTEM
This system consist of ringing up visual or audible alarm near the object to be protected. Installed inside the building.
LOCAL ALARM
This system is set to dial a predestined number when the alarm is activated. The number selected might be the police or the subscriber’s home number, or both. When the phone is answered, a recording states that an intrusion is in progress at the location so alarmed.
DIAL ALARM SYSTEM
Most common causes of false alarms?
User Negligence:
Poor installation or servicing; and
Faulty Equipment.
The vibration sensitive sensor is attached to walls, ceiling or floors of the protected areas. The sensor detects any vibration caused by attempted forced entry.
VIBRATION DETECTION DEVICE
