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LOGICAL SERVICES design and implement intruder detection systems to protect homes and businesses against unauthorised access.

Concept 4000 caters for the full range of access control installations

Inner Range Concept 4000 Intruder detection system

The Inner Range Concept 4000 hardware platform provides access control and automation functionality in one integrated system. It offers excellent scalability, delivers full coverage and reporting of detection points, and provides full flexibility in communications in any environment.

Intruder Detection Devices can be Integrated in your
Security System Solution:

There are virtually no limits to the type of devices we use in an intruder detection solution.

Classic devices such as movement detectors are often very effective but some applications require more lateral thinking to ensure we stay one step ahead of a potential risk.

Logical Services is an accredited dealer and a recognised specialist for the Australian Inner Range security products and solutions. However, we do not limit our options and draw from a broad range of security options and devices to ensure your system is perfectly tailored to your needs.

We provide many unique application-specific intruder detection devices and customised alarm system solutions.


What is an Intruder Detection and Prevention System (IDPS)?

An intruder detection and prevention system logs information about observed events and sends an alarm to a control unit / administrator if a potential security breach is detected.

The system can also be programmed to take measures in an attempt to prevent an attack.

 

 

Intruder Detection Devices

Below is a sample of the intruder detection devices which we frequently include in our security system installations:

Movement / motion detectors

Passive Infrared Detectors: Movement Detectors:

Passive Infrared detectors (PIR) measure the infrared light (elecromagnetic radiation) which includes most of the thermal radiation emitted by objects at or near room temperature, within their field of vision. When a person enterss a monitored area and passes between an infrared source (e.g. furniture) and the infrared detector, the device detects the change in infrared energy (higher temperature) emitted by that person. The intruder's movements cause a hot spot on the chip of the device which, put simply, triggers the alarm.

  • Movement detectors are ideal for hallways and areas containing important valuables.
  • Wide coverage: They can detect movement up to 12 metres
  • Can be installed in conjunction with other intrusion detection devices such as: contact alarm switches, glass break detectors and invisible beam detectors.

Contact switches
Contact Alarm Switches / Magnetic Reed Sensors:

Magnetic reed sensor

Generally speaking, a reed switch is an electrical switch which is activated by a magnetic field. The switch has one or more pairs of ferromagnetic reeds separated at one end by a small gap when opened. Magnetic reed switches are sealed in a glass tube to protect them against corrosion and they are extremely sensitive to magnetic variations.
The reed switch on one side of an entryway is paired with a magnet on the opposite site, and an alarm is triggered when the broken magnetic field causes the reeds to open or close depending on their configuration, and send an alarm to the main processing system.

  • Very effective to protect against unauthorised access when fitted to doors and windows
  • Intrusion detection when magnetic sensor is triggered
  • Alarm can be heard throughout your premises
  • Easily installed on windows and doors, low power consumption

Shock/safe and pressure sensors

Seismic Detectors (also known as shock or vibration detectors):

High sensitivity anti-tamper devices which react to thermal or mechanical attacks. Seismic detectors are used to protect safes, cash dispensers and ATMs.

  • Can detect attacks by all known attack tools including mechanical tools, diamond bit drills and thermal tools
  • High remote sensitivity control to eliminate false positives
  • Highly configurable to specific situations

Security sensor pressure mats:

Pressure mats sense the weight placed on them and have a typical trigger threshold of approximately 11kgs.
Placed under a carpet or rug, they are virtually undetectable

  • Inexpensive to install and operate
  • Can be integrated with your main security system


Glass breakage detectors
Glass Breakage Detectors:

A cost effective solution to protect a group of windows in the room, alarm is activated by the specific sound frequency / shockwave frequency of breaking glass. They have an active range of 15 metres or more and can be mounted on a wall or ceiling to provide maximum coverage.

  • Easy to install by direct application to the glass
  • Sensitive enough detect when an intruder tries to cut the glass

Invisible beam detectors

Photoelectric Sensors (also known as Invisible Beam Detectors):

Photoelectric detectors consist of a light source (the emitter) which sends an infrared beam (invisible to the naked eye) to the receiver (phototransistor). The receiver verifies that the light is coming from the emitter. The receiver has the ability to detect a wide range of target objects which either break the beam of light or reflect it back to the receiver. This interruption or reflection by the target object causes the receiver to trigger an alarm.

Photoelectric detectors are configured with dual or quad pairs of emitters/receivers to ensures against false positives. Photoelectric sensors have many uses and advantages, including:

  • Wide sensing distance, therefore wide protection range
  • Ability to operate in several sensing modes: diffuse, retroreflective and thru-beam
  • For the safe opening and closing of gates, escalators and doorways

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