Dual Channel Loop Detector Magnetic 20UH - 2000UH , Vehicle Loop Detector Toll Station

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Loop detectors in recent years have become a popular tool having innumerable 
applications in policing, right from 
surveillance operations to traffic control. Automation of gates and doors has become 
a popular usage of the
loop detector.

  The digital technology of the loop detector enables the equipment to sense a change in 
the inductance of the
loop as soon as it detects the metal object in its path. 
The inductive loop which detects the object is made of insulated electrical wire 
(32/020; 32 Strand, 2mm 
diameter) and is arranged either as a square or rectangle shape.
The loop consists of several loops of wire and consideration should be giving to the
loop sensitivity when installing on different surfaces. Setting the correct sensitivity
allows the loop to operate with maximum detection (16 levels via a trimpot). When
detection occurs, the detector energises 2 relays for the output (each can be configured
individually). This energising of the relay can be configured into different modes, by
selecting the respective dip switch.
The LD 100 Enhanced Vehicle detector is also provided with an integral fault relay,
which will provide an output in the event of a loop fault condition.

Compact size: the compact and well engineered housing
Combines all of the industry requirements regarding
Features and functionality and allows this detector to be                                                                          
       incorporated into any or existing traffic detector system.
Diagnostic capabilities. Comprehensive diagnostics
Capabilities: allow for accurate diagnosis of loop and
installation problems.
Selectable presence time: the output of the presence 
relay can be selected to limit a detect output to a fixed
      time(time>30 minutes) while a vehicle remains on the loop 
loop frequency indication, interference between adjacent loop/ detectors                                            
      can be determined by an integral indication,
and eliminated by changing the frequency setting 
Two separate output relays:
Presence Relay A is presence output. Can be extended for 0,2,5,8,10,15,20 or 30 
seconds, programmable with external 10 way DIP switches.
Pulse Relay B, programmable with external 10 way DIP switches, provides presence, 
pulse on entry, pulse on exit, or failed output.

Applications: 

NOBLE vehicle loop detector is used for wherever vehicles have to be detected, for
example for monitoring and safe-guarding access ways or for counting vehicles. The
output signal can be used for controlling door and gate drive mechanisms, operating
barriers, controlling traffic light systems or activating card dispensers in parking lots. 

 Competitve Advantage:

 Self-turning range: 20-2000UH
Response Times: Turn-on 10-90MS Turn-off 10-90MS
Sensitivity: 16 way selectable Highest 0.010% DL/Lowest 2.56%DL/L

Vehicle loop detector a different angle

Tag : 

magnetic induction loop,vehicle speed detector

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