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Vehicle Weight Enforcement with In-Ground Weigh-In-Motion Truck Scales

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Vehicle Weight Enforcement with In-Ground WIM Scales

Weight Enforcement is vital to minimize the damage caused by overloaded vehicles to roads and highways, and to increase safety for the operators. Detection and identification of these vehicles is done at low (LS-WIM) and high-speeds (HS-WIM.) WIM is an efficient and effective method for screening and pre-selection of vehicles for static weigh stations, and direct enforcement of weight violations where legislation incorporates Weigh-In-Motion capabilities.
Get in touch with our sales team to learn about Weigh-In-Motion for Enforcement.

In-Ground WIM Scales Advantages

Permanently installed Weigh-In-Motion Scales save time by keeping traffic moving while accurately capturing weight related data at entry/exit ports, freight terminals, or toll and commercial weigh stations

Installation and Maintenance are Less Expensive than Standard Truck Scales
Collect Weight Data Without Stopping the Vehicle
OIML R134 Certified

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WIM Strip Sensors for Enforcement

Typical Configurations

Weigh-In-Motion Strip Sensors for screening, pre-selection, and direct enforcement incorporate strain gauge sensor technology:

WIM site installation employs four to six sensors, loop, and electronics
Consistent Accuracy for Selection of Vehicles from Screening
Improve Vehicle & Operator Safety
Simple Integration of Sensors into Existing Enforcement Systems
Stable readings with environmental fluctuations of temperature
Minimally invasive in-ground installation
Does not require frames or drainage
Maintenance free operation

Regions can have different requirements for accuracy of systems employed in enforcement WIM applications. ASTM E1318, COST 323 A(5) and COST 323 B+(7) are standards commonly referenced for these sites. Four (two pair) or six sensor (three pairs) installations have been used in countries for these applications. Intercomp strip sensors have undergone OIML R134 performance certification testing.

Strip sensors are also used in data collection, tolling (ETC), ports of entry or departure, and bridge and pavement protection.

Strip Sensors

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LS-WIM® Axle Scales for Weight Enforcement

Typical Configuration

LS-WIM Axle Scales use strain gauge technology for low speed enforcement:

WIM site installation employs single axle scale, loop, and electronics
High degree of accuracy at low speeds
Stable readings with environmental fluctuations of temperature
Small Scale Footprint vs. Static Scales
Durable Platform Construction
Simplified Maintenance

At low speed, these scales can meet requirements for accuracy of systems employed in enforcement WIM applications. The Intercomp LS-WIM Axle Scale has undergone OIML R134 performance certification testing.

Intercomp scales are also used in Industrial check weighing, Inventory management, tolling (ETC),
Automated Gate Systems (AGS), and ports of entry or departure.

LS-WIM® Low Speed WIM Scale

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App Notes for In-Ground WIM Enforcement Scales

WIM Sensors for Pre-Selection

Weigh-In-Motion (WIM) information is used in the mainline when screening for enforcement or pre-selection prior to diverting vehicles for static weighing. In the United States, static weights are used for direct enforcement, and direct data comparisons demonstrate the performance of strain-gauge based WIM sensors coupled with static scales utilizing the same highly accurate technology.
WIM Strip Sensors are comparable to piezo quartz scales for pre-selection and pre-enforcement applications.

Strip Sensors for HS-WIM Direct Enforcement

Transportation departments, ministries of transportation, and enforcement officials throughout the globe rely on High-Speed Weigh-In-Motion systems for law enforcement purposes. Depending on local enforcement laws, Intercomp’s High-Speed Weigh-In-Motion Strip Sensors are a robust and dependable option for enforcement purposes, with OIML R134 certification to support use in countries that use OIML as reference for their HS-WIM direct enforcement standards.

Strain Gauge Strip Sensor is Type-approved for HS-WIM Direct Enforcement in Brazil

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Resource Library

Publications We have many other published resources including a variety of literature, technical articles, application notes, videos, vehicle scale basics guides, and certification notes.

Please VISIT OUR RESOURCE LIBRARY to learn more about ITS/Enforcement Scale applications, examples, case studies and specifications.

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Contact Intercomp for In-Ground WIM Weight Enforcement Scales Today

At Intercomp, we manufacture state-of-the-art WIM Sensors for a wide range of industries throughout the world. Our Weigh-In-Motion (WIM) Strip Sensors can provide quick and accurate weight measurements at speeds up to 80 mph (130 km/h).

Get in touch with our sales team for more information or further pricing details regarding our accurate and reliable Weigh-In-Motion Sensor options. Intercomp is the industry’s most trusted supplier of technologically advanced WIM Vehicle Strip Sensors.

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