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a child's eyes

ILS-E20-3 Laser Vehicle Detector (a toy)

a child's eyes

Side-mounted laser vehicle detector—Say goodbye to through-beam barriers and usher in a new era of single-point detection.

The E20-3 (a single-beam model) is an innovative laser-based vehicle separation detector designed to thoroughly address the pain points of traditional infrared grating vehicle separators. It employs advanced Time-of-Flight (TOF) laser ranging technology and, with just a single-sided pole installation, can create a high-precision vehicle separation light curtain.
Compared to grating systems that require bilateral beam alignment and excavation of the road surface, the E20-3 does not damage the road surface, is immune to interference from adjacent lanes, is unaffected by strong light, and carries no risk of glass breakage. With a vehicle separation accuracy rate of ≥99.9% and an IP67 protection rating, it represents an ideal upgrade solution for vehicle separation and triggering at highway toll stations, weight enforcement stations, and parking lot entrances and exits.

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Overview

Single-sided installation—no road-breaking construction allowed.

Traditional gratings require installation on both sides and excavation of the road surface for cable laying, making construction cumbersome and damaging the roadbed. The E20-3, however, only needs a single-sided pole installation, eliminates the need to disturb the road surface, and does not require opposed-beam detection, significantly shortening the construction period and reducing civil engineering costs.

Strong anti-interference, unafraid of sunlight and adjacent channels.

Based on the laser Time-of-Flight ranging principle, the E20-3 exhibits exceptional immunity to ambient light, completely resolving the issue of infrared grating failure under direct exposure to strong light. At the same time, its precise ranging capability effectively shields against interference from neighboring vehicles, eliminating false alarms caused by adjacent vehicles.

Safe and durable, eliminating the risk of hitting the pole.

The grating glass cover is fragile and easily scratched. The E20-3 features a robust metal housing and an embedded-window design that eliminates the need for impact posts, completely eliminating the risk of vehicle scratches damaging the equipment and reducing maintenance requirements to nearly zero.

Core features

Detection principle: Laser Time-of-Flight Ranging (905nm)
Detection distance: 0.05 m ~ 9 m (adjustable)
Vehicle separation accuracy: ≥99.99% (sunny) / ≥99.9% (rainy or foggy)
Minimum resolution: 20mm (recognizable tow bar)
Response time: < 50ms
Installation method: Single-sided side-mounted (column-type)
Protection rating: IP67 (Fully Sealed)
Output interface: 2-channel relay + NPN/PNP + contact input

The Terminator of gratings—your preferred solution for vehicle separation.

The E20-3 is specifically designed for weigh-in-motion (WIM) and weight-based toll collection lanes at toll station entrances, ETC lanes, and parking lot entrances and exits. It can accurately detect the entry, presence, and exit status of vehicles, providing precise trigger signals for weighing instruments, license plate recognition cameras, and barrier gate systems. It represents the best choice for replacing traditional infrared grating systems and upgrading outdated lane equipment.

Why choose A Xiangmu?

20mm minimum resolution, eliminating tailgating cheating.

The core challenge in vehicle separation lies in identifying the trailer’s fifth wheel coupling. Due to the limitations of grating beam spacing, it is extremely easy to miss detecting small connecting rods, which can lead to mistakenly classifying a single trailer as two separate vehicles.

The E20-3 boasts an ultra-high resolution of 20 mm, enabling it to clearly capture even the tiniest trailer hitches. Even with empty flatbed trucks or complex irregularly shaped vehicles, it can guarantee 100% accuracy, completely eliminating billing errors caused by misclassification.

Smart anti-fogging—no fear of harsh cold and frost.

Outdoor equipment is most vulnerable to ice and fog formation in winter. The E20-3 is equipped with a smart environmental sensing and heating system.

When the window is detected to be at risk of fogging or icing, the heating module automatically activates, quickly restoring unobstructed optical paths. Combined with an IP67 fully sealed design, it serves as your most reliable “lane guardian”—whether it’s the plum rain season in the south or the icy winter in the north.

Humanized dual-light design, clear yet non-glaring.

We are keenly aware of the safety challenges associated with nighttime driving on highways. The E20-3 has been upgraded to feature a dual-independent indicator light design for power/fault and signal detection.

The rigorously calibrated LED brightness not only ensures that maintenance personnel can clearly identify equipment status even under intense daylight conditions, but also completely eliminates glare interference caused by bright light strips at night, which could otherwise distract drivers. While ensuring ease of maintenance and operation, we place driving safety as our top priority.

Rich interfaces, compatible with both new and legacy systems.

To accommodate the access requirements of various new and legacy billing systems, the E20-3 provides an extremely rich array of physical interfaces.

Standard configuration includes 2-channel relay outputs (compatible with normally open/normally closed contacts), allowing direct replacement of grating signals. It also provides NPN/PNP level outputs, making it suitable for PLC control. The device supports 12V/24V level switching. No matter what brand your host computer is, the E20-3 can seamlessly replace your existing system—just plug and play!

YINTAILI All-round Services

Grating Replacement Scheme Design

For the renovation of aging lanes, we provide detailed wiring and installation guidance to ensure the upgrade is completed at the lowest possible cost.

Free sample trial

We offer free sample testing services for key projects, allowing you to personally experience their outstanding performance that surpasses gratings.

Long-term spare parts support

We commit to long-term supply of core products and spare parts support, ensuring the long-term stable operation of your infrastructure projects.

Explore more potential applications

Precise Vehicle Classification at Highway Toll Stations: Enhancing Traffic Efficiency

Addressing the pain points of traditional grating-based highway toll stations—such as susceptibility to weather conditions, missed or false vehicle detections, and cumbersome installation and maintenance—and meeting the core requirements of “all-weather precise identification, rapid passage, cost reduction, and efficiency enhancement”—laser vehicle detectors offer a highly effective solution.

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Images	Order Number	Product line	Product Name	Product abbreviation	Configuration Instructions	Scanning angle	Scanning frequency	Resolution	Measure the distance	10% reflectivity detection range	Accuracy	Input/Output Interface	Anti-light interference	Operating temperature	Power supply voltage	High and low voltage levels	Power consumption	Protection	Housing dimensions	Shell material	Cable length	Applicable scenarios	资料下载	询价	Contrast
	0101156	E20-3	ILS-E20-3 Laser Vehicle Detector (a toy)	E20-3-2	Standard	-	<50ms	99.99%	9 meters	9 meters	20mm	2-channel relay output	80,000 Lux	-30~+70℃	DC 24V ±10%	-	48W	IP67	130 mm (length) × 107 mm (width) × 1008 mm (height)	Alloy	-	-