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magnetic induction loop,
vehicle speed detector
Dual Channel Loop Detector Magnetic 20UH - 2000UH , Vehicle Loop Detector Toll Station
16 Way selectable levels
Power LED-Red, Channel Led
Four step switch, selectable 20- 80KHz
Presence Relay/ Fault Relay
Blinks slowly, Blinks faster
Reset by push button on front of enclosure
Normal working Temperature
-40 to 70 Celsius degree
-40 to 80 Celsius Degree
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
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.
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
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.
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.
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