Oct 2011

security monitoring service

alarm systemsEmployment testing in private security includes the use of psychological assessment since it helps in examining the cognitive and emotional functioning of applicants in this field. Psychological Assessment in Private SecurityAs previously mentioned employment testing in private security entails conducting psychological assessments of the applicant. These…… private security in the United States is indelibly related to U. S. history in general, for the simple fact that prior to the founding of the country, security in its most basic form was essentially handled by civilians. This occurrence was common before the colonies became organized and before there were official police or even federal troops.

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Oct 2011

home security alarm system

wiring home security systemSo protecting all doors is a must. Example: magnetic circuit breakers. Door contacts may be hardwired or wireless; hardwired contacts are usually buried in the doorframe, which is less obvious than wireless and are preferable. Window Contacts: Can be hardwired or wireless. Motion Sensors: It’s the most essential and common form of protection. Passive infrared sensors: Detect motion by sensing a sudden change in heat. Dual Tech motion detectors use two different technologies in the same unit: passive infrared and microwave. These devices are designed to avoid false alarms since both technologies must detect motion before setting off the alarm. Photoelectric Sensors: These sensors project a beam of light across a hall or doorway to detect motion and are triggered when a person passing through interrupts the beam. Glass Break Detectors: Usually mounted near windows to detect the specific high frequency sound of glass being shattered. They are usually installed on a wall opposite or adjacent to the protected glass and are effective within about 15′ to 25′.

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