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China factory - Shenzhen Jutai Comm Co., Ltd.

Shenzhen Jutai Comm Co., Ltd.

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  3. Vehicle Loop Detector for Weighbridge Weighing Systems with Vehicle Presence
China Vehicle Loop Detector for Weighbridge Weighing Systems with Vehicle Presence
China Vehicle Loop Detector for Weighbridge Weighing Systems with Vehicle Presence

  1. China Vehicle Loop Detector for Weighbridge Weighing Systems with Vehicle Presence
  2. China Vehicle Loop Detector for Weighbridge Weighing Systems with Vehicle Presence
  3. China Vehicle Loop Detector for Weighbridge Weighing Systems with Vehicle Presence
  4. China Vehicle Loop Detector for Weighbridge Weighing Systems with Vehicle Presence
  5. China Vehicle Loop Detector for Weighbridge Weighing Systems with Vehicle Presence
  6. China Vehicle Loop Detector for Weighbridge Weighing Systems with Vehicle Presence
  7. China Vehicle Loop Detector for Weighbridge Weighing Systems with Vehicle Presence

Vehicle Loop Detector for Weighbridge Weighing Systems with Vehicle Presence

  1. MOQ： Support 1-10 Pcs for Sample
  2. Price： 30-38
  3. Get Latest Price
Payment Terms L/C,D/A,D/P,T/T,Western Union,Paypal,Alipay
Working Type -40 to +70 ℃ (-111°F to +158°F)
Sensitivity 16 way selectable/Highest 0.01% DL/L / Lowest 2.56% DL/L
Supply Ability 5000 Pcs per Month
Voltage Supply 100-240 VAC 48 to 62Hz
Self-turning range 20-2000uh
Loop Connection Twisted pair cable
Product Size 76*42*91.5 mm
Name Vehicle Loop Detector
Humidity 95% non-condensing
Warranty 2 Year
Delivery Time 5-8 working day
Response Times 10-90 MS
Color Green
Package Carton
HS Code 9033000090
Packaging Details 50 Pcs 1 Carton
Gross Weight 300 g
Relay Output Presence Relay / Fault Relay
Net Weight 195 g
Package Size 136*86*52 mm
Certification CE FCC
Model Number LD-102
Brand Name JUTAI
Place of Origin Shenzhen China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C,D/A,D/P,T/T,Western Union,Paypal,Alipay Working Type -40 to +70 ℃ (-111°F to +158°F)
Sensitivity 16 way selectable/Highest 0.01% DL/L / Lowest 2.56% DL/L Supply Ability 5000 Pcs per Month
Voltage Supply 100-240 VAC 48 to 62Hz Self-turning range 20-2000uh
Loop Connection Twisted pair cable Product Size 76*42*91.5 mm
Name Vehicle Loop Detector Humidity 95% non-condensing
Warranty 2 Year Delivery Time 5-8 working day
Response Times 10-90 MS Color Green
Package Carton HS Code 9033000090
Packaging Details 50 Pcs 1 Carton Gross Weight 300 g
Relay Output Presence Relay / Fault Relay Net Weight 195 g
Package Size 136*86*52 mm Certification CE FCC
Model Number LD-102 Brand Name JUTAI
Place of Origin Shenzhen China
High Light weighbridge loop detector with trigger output ，vehicle loop detector for weighing systems ，loop detector with vehicle presence confirmation
Vehicle Loop Detector for Weighbridge Weighing Systems with Vehicle Presence Confirmation and Trigger Output

Designed for weighbridge and vehicle weighing applications, this vehicle loop detector provides reliable trigger output and continuous vehicle presence confirmation through an inductive loop installed beneath the roadway or weighing platform approach. When a vehicle enters the detection zone, the detector identifies the change in loop inductance and sends a relay signal to the connected weighing controller, barrier gate, camera, indicator, or data acquisition system. This supports automatic weighing workflows while reducing the need for manual vehicle confirmation.

The detector can be configured to provide an entry pulse, exit pulse, or continuous presence output. An entry pulse can trigger the weighing system when a vehicle reaches the designated position, while an exit pulse can reset equipment or prepare the system for the next vehicle after departure. In presence mode, the relay remains active while the vehicle stays over the loop, allowing the control system to confirm that the vehicle is still within the weighing area before recording data or releasing the barrier.

Permanent vehicle presence mode is suitable for trucks, trailers, and heavy-duty vehicles that may remain stationary on the weighbridge for an extended period. The output stays active without timing out and resets only after the vehicle leaves the loop. Adjustable relay release delays from 0 to 30 seconds provide additional flexibility for stabilizing system transitions, coordinating barrier movement, and preventing premature reset during slow vehicle passage.

With a wide 15–2000 μH inductance range and 16 selectable sensitivity levels, the detector can be adapted to different loop sizes, installation depths, vehicle types, and site conditions. Automatic Sensitivity Boost helps maintain stable detection of high-chassis trucks, long trailers, and vehicles with uneven metal distribution. Four selectable operating frequencies help reduce interference when multiple loops are installed near entry, weighing, and exit zones.

Suitable for weighbridges, truck scales, logistics centers, factories, warehouses, freight terminals, toll stations, and industrial access points, this vehicle loop detector supports vehicle arrival triggering, weighing position confirmation, barrier interlocking, departure detection, and vehicle counting. Its configurable outputs and stable presence monitoring help create a more efficient, automated, and controlled weighing process.


Vehicle loop detector
Features
  • 1. 15-2000 μh detection Range
    • The loop detector supports a wide detection range from 15 µH to 2000 µH, accommodating various loop sizes and configurations for versatile application in different traffic detection scenarios. The wide detection range enables our loop detector to detect all kinds of vehicles, motorcycles, cars, Ultra long truck, buses and so on.
  • 2. Compact Side
    • The compact and well-engineered housing combines all industry requirements for features and functionality, allowing this detector to be incorporated into any existing traffic detection system.
  • 3. LED Diagnostic Capabilities
    • Comprehensive diagnostics capabilities enable accurate diagnosis of loop and installation problems and shows through LED, ensuring optimal performance and reducing downtime.
  • 4. Selectable Presence Time
    • The output of the presence relay can be selected to limit a detect output to a fixed time (greater than 30 minutes) while a vehicle remains on the loop, providing flexibility in traffic management.
  • 5. Loop Presence Time
    • Interference between adjacent loop detectors can be identified through integral indication and eliminated by adjusting the frequency setting, ensuring reliable operation.
  • 6. Two Separate Output Relays
    • Presence Relay A: Provides presence output and 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, it offers presence, pulse on entry, pulse on exit, or failed output, enhancing detection flexibility.
  • 7. Automatic Sensitivity Boost (ASB)
    • This feature reliably detects large truck-trailer combinations and high-bed vehicles by automatically boosting the sensitivity to maximum upon vehicle detection, ensuring accurate identification.
  • 8. Automatic Environment Drifting Compensation
    • Loop detectors (or other sensors) automatically adjust and calibrate themselves to changes in environmental conditions, maintaining detection accuracy and stability despite varying weather and environmental factors.
  • 9. 10 Dip Switch
    • The dip swich design on the shell makes the setting of loop detector easier and clearer, which is very user-friendly for users. Users can set all the functions first and then install the loop detector.
  • 10. Anti-crosstalk interference.
    • Through the dip Switch, the frequency of the loop detector can be adjusted to prevent crosstalk interference caused by the installation of two loop coils too close.
Connection
vehicle loop detector connection connection connection
Indicates And Switch:

(1)Power Led: RED Power LED Indicates “Power ON”

  • Detecting Led: Continuously On: Indicates vehicle detection.
  • Blinking slowly: Indicates loop is short circuit or the number of twists after the loop is not enough.
  • Blinking fast: Indicates loop is open circuit or too many twists after the loop.
(2)Switch 1 (Trimpot), Sensitivity Selection

  • Sensitivity of the loop can be adjusted by the trimpot labeled “Sensitivity”. User can select 16 different setting by turning the trimpot with 0 being the least sensitive and “F” being the most sensitive.

    dip switch
(3)Switch 2 (Dipswitch Settings)

1. DIP 1 & DIP 2 Setting Special Functions

vehicle loop deetector

2. DIP 3 & DIP 4 Setting Relay B Output

vehicle loop detector

3. DIP 5 Setting Automatic Reset

vehicle loop detector

4. DIP 6 & DIP 7 & DIP 8 Setting Relay A Delay

vehicle loop detector

5. DIP 9 & DIP 10 Setting Frequency (40 K to 100 KHz). Used to avoid the interference

vehicle loop detector
  • In the application, where two or more loop detectors and sensing loops have been installed, set one detector to high frequency and the other set to low frequency to minimize the effects of cross-talk between the two systems(The sensing loops and detectors should be positioned at least 2m apart).
  • Reset Button:Please note: The LD-100 must be reset every time a setting change is made to the Dip switches.
Detector Position And Installation:
  • Install the detector in a weatherproof housing.
  • The detector should be as close to the sensing loop as possible.
  • The detector should always be installed away from strong magnetic fields.
  • Avoid running high voltage wires near the loop detectors.
  • Do not install the detector on vibrating objects.

  • When the control box is installed within 10 metres of the loop, normal wires can be used to connect the control box to the loop. More than 10 metres requires the use of a 2 core shielded cable. Do not exceed 30 metres distance between control box and loop.

    vihicle loop detector
Loop Installation:

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

vehicle loop detector
Troubleshooting:
vehicle loop detector
Certification
vehicle loop detector
Product Series
LD-100 LD-102 LD-200 LD-202 JTHT-11

high sensitive loop detector

Single Channel

100-240 V AC

loop detector

Single Channel

12-24 V AC/DC

loop detector

Dual Channel

100-240 V AC

loop detector

Dual Channel

12-24 V AV/DC

loop cable

Loop cable

305 m Teflon coil
LCR-MT



multimeter


Multimeter



Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Seller

  • Year Established:

    2012

  • Total Annual:

    1500000-2000000

  • Employee Number:

    30~50

  • Ecer Certification：

    Verified Supplier

    JUTAI Company Profile   Founded in 2012, JUTAI is an integrated industry and trade manufacturer specializing in sensors and system solutions, with its headquarters and production base both located in Shenzhen. The company boasts a team of over 10 experienced hardware a...     JUTAI Company Profile   Founded in 2012, JUTAI is an integrated industry and trade manufacturer specializing in sensors and system solutions, with its headquarters and production base both located in Shenzhen. The company boasts a team of over 10 experienced hardware a...

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Get in touch with us

  • Reach Us
  • Shenzhen Jutai Comm Co., Ltd.
  • 5F, Building A1, Xuxingda Industrial Zone, Shiyan Street, Baoan District, Shenzhen, China
  • https://www.jutaigateaccess.com/

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