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Inductive Loop Vehicle Detectors

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Building 1-2F, Mingjinhai Industry Park, 
Tangtou Road,Shiyan Town, Bao'an District
Shenzhen, China.518108
WeChat:598734944 or 992452228
Tel : (86 755) 2765 1481
Fax : (86 755) 2765 1483
E-mail : sales@nobleled.com
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Traffic Light Project

Traffic Light Project



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40 K To 100 Khz Single Loop Detector Inductive Loop Traffic Detector

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Item NO.:40 K To 100 Khz Single Loop Detector Inductive Loop Traffic Detector

Black Inductive Loop Detector, Vehicle Loop Detector, Traffic Detector For Parking Barrier Gate 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.

Features :

1) Reset Switch : The reset switch enables the detector to be manually reset during  commissioning and testing . This results in the detector re-tuning the sensing loop and becoming ready for vehicle detection ;
2) Selectable Pulse Time : This feature sets the length of time that the pulse relay will be energized for 1 Second or 0.5 Seconds ;
3) Pulse Relay Selection : The Pulse Relay may be configured to energize on detection of a vehicle or when the vehicle leaves the loop ;
4) Sensitivity Boost : This feature sets the undetect level to maximum sensitivity and is used to prevent loss of detection of high-bed vehicles ;
5) Switch Selectable Sensibility : 11 levers adjustable sensitivity setting are available on the switches to allow flexibility in configuration ;
6) Switch Selectable Frequency : 4 frequency settings are available to prevent cross-talk between adjacent loops ;
7) Filter Option : This option is used to provide a delay between detection of the vehicle and  switchiing of the output relay . This relay is normally used to prevent false detection of small or fast moving objects ;
8) Permanent Presence Option : This feature ensure detection of the vehicle will be maintained when the vehicle is parked over the loop for extended periods .


Self-turning range 20-2000μH
Response Times 10-90MS
Sensitivity 16 way selectable levels
Visual Indications Power LED-Red, Channel LED-Green
Frequency Four step switch, selectable 20-80KHz
Relay Output Presence Relay/Fault Relay
Power Requirements 110-240VAC (48 to 62Hz)
Fault Output Blinks slowly, Blinks faster
Reset Reset by push button on front of enclosure
Product size 92*76*42mm
Label Language English
Connections 11-pin Submagnal
Storage Temperature -40 to 80 Celsius degree
Normal Working Temperature -40 to 70 Celsius degree


1. traffic light
2. vehicle monitor
3. Highway toll system
4. Parking lots toll system

 Loop Installation:

The loops are sealed using a “quick-set” black epoxy compound or hot bitumen mastic to blend with the
roadway surface

Loop perimeter Cylinder numbers
3 ~ 4 M 6
4 ~ 6 M 5
6 ~ 10 M 4
10 ~ 20 M  3
20 M~ UP 2

Competitive Advantage:

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


Symptoms Solution
If the detector is not working? Press reset
If red led indicator is not fully lit? Check for power supply
If green led indicator ? Blinks slowly?  It maybe because the loop is short circuit or the no: of turns is not enough
Blinks faster?  It maybe because the loop is open or the no: of turns is too many.
 If no: of turns is not enough? Lower the frequency (if the frequency is still too high, you must add more turns).
If no: of turns is too many? Higher the frequency (if the frequency is still too low, you must remove some turns). 


1. Standard; GB2003-14887:EN12368 

2. OEM and ODM services 

3. Well-packed with K carton+EPE 

4. Delivery on time&support via UPS/DHL/EMS/Sea&air.etc 

5. Reply you within 24 hours 

6. Free maintenance during warranty period if any problems except man-made or natural factors. 

7. Video to show you how to use our traffic controller system if necessary. 

Trade Terms

1. Payment: T/T, 30% deposits before production, 70% balance to be paid before delivering(Western Union or Escrow, Cash are welcomed). 

2. Production lead time for samples:1-2 work days: 1-300sets: 5-7 work days: 7-10 work days: >500sets 10-15 work days. 

3. Shipping port: Shenzhen, Mainland China.

4. MOQ: 5 sets

5: Warranty: 2 year



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Shenzhen Noble Opto Co., Ltd.

Contact Person: Ms. Lina Liao




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