10MS - 90MS Inductive Magnetic Loop Detector With Traffic Detection

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Noble Loop detectors are used wherever vehicle have to be detected such as 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 in car parks or
activating card dispensers in car parks.

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

Desccription:

 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. 

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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