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Audio Detectors
Product ID : 555
Name : Signature Series Audio Detection
Description :
IEI’s 555 employs state-of-art Advanced Signature Analysis TM (ASA algorithms to sample frequency bands instead of one or two like other detectors.
DSP (Digital Signal Processing) is used to continuously sample and analyze sound.
Within milliseconds after an audio event begins, the microprocessor starts processing data.
Approximately 1200 comparisons and decisions are made before an event is rejected or confirmed approximately 0.3 seconds later.
Multiple signatures are stored in memory and referenced during the confirmation process.
The result of this high-tech performance is more accurate glass break detections and improved false alarm rejection in tough environments.
Product ID : 557
Name : Signature Series Audio Detection
Description :
IEI’s 557 employs state-of-art Advanced Signature Analysis TM (ASA algorithms to sample frequency bands instead of one or two like other detectors.
DSP (Digital Signal Processing) is used to continuously sample and analyze sound.
Within milliseconds after an audio event begins, the microprocessor starts processing data.
Approximately 1200 comparisons and decisions are made before an event is rejected or confirmed approximately 0.3 seconds later.
Multiple signatures are stored in memory and referenced during the confirmation process.
The result of this high-tech performance is more accurate glass break detections and improved false alarm rejection in tough environments.
Product ID : 552LS
Name : Tri-Gard Audio Detection
Description :
The IEI 552 audio glass break detector uses microprocessor based multiple signature analysis.
The 552 unit is self-adjusting, and feature Automatic Gain Control circuits to filter the amplitude of ambient sounds and process all sound that the same volume.
This eliminates the need for manual sensitivity adjustments and gives the 552LS maximum detection accuracy even in muffled (i.e. curtains, shades, blinds and small glass sizes) and changing environments.
Product ID : 834LWC
Name : Vibration Detection
The 834LWC Viper Plus is a frame mountable piezoelectric sensor with a custom ACIC microchip.
The sensor responds to the directly conducted energy released by breaking glass.
As a result, the Viper will not false alarm from any ambient sounds, or low frequency vibrations.
Additionally, the Viper can be adjusted for single or double knock response to further increase false alarm rejections.
There is also a Hi-Low sensitivity jumper that is used to increase or decrease the overall sensitivity and the potentiometer is used to fine-tune the adjustment.
The 834LWC comes with a door/window contact that allows the 834LWC to monitor the opening of a point of entry.