CET-SJ402T Vehicle Detector — Reliable Precision for Weigh-in-Motion Systems

Enviko presents the CETSJ402T, a four-channel inductive loop Vehicle Detector built for modern Weigh-in-Motion systems and Bridge health monitoring applications. Designed for high accuracy, real-time detection, and stable long-term operation, CETSJ402T delivers everything you need to power smart transportation infrastructure.

Key Advantages

• Four Independent Channels
  Ideal for multi-lane Weigh-in-Motion detection with zero crosstalk.

• High-Speed Processing
  Uses industrial-grade microprocessors and watchdog reset circuits for reliable performance.

• Flexible Configuration
  DIP switch setup for sensitivity, frequency, logic output, and serial communication (RS-485/RS-232).

• Environmental Adaptability
  Automatic temperature and loop drift compensation — perfect for outdoor and Bridge health monitoring use.

• Simple Integration
  Outputs match most WIM control systems and data loggers, enabling seamless deployment.

Perfect for Weigh-in-Motion Applications

The SJ402T is the heart of any Weigh-in-Motion solution — detecting vehicle presence and direction accurately via inductive loops. Whether for weight enforcement, Bridge health monitoring, or traffic analytics, SJ402T ensures consistent and reliable triggering for each vehicle.

Weigh-in-Motion systems rely on precise detection timing. SJ402T enables this through high sensitivity and fast response times, supporting efficient data collection and real-time axle load calculation.

Built by Enviko — Trusted Worldwide

With proven performance across highways, toll stations, and bridge installations, Enviko’s SJ402T is a go-to Vehicle Detector for intelligent traffic projects. It integrates effortlessly with data loggers, loop sensors, and enforcement systems, making it a complete fit for your Weigh-in-Motion setup.

Summary

• Supports up to 350m loop feeders

• Frequency tuning and sync mode to prevent interference

• 4 optically isolated outputs, selectable logic modes

• Ideal for Weigh-in-Motion and Bridge health monitoring systems

Choose CETSJ402T — the compact, smart, and dependable Vehicle Detector for all your Weigh-in-Motion needs.

Enviko

was founded in 2011, headquarter office in Hong Kong, factory located in Guangzhou & Chengdu. In 2021, we established China division in Chengdu, further enhancing our influence and service capabilities in the Asian market. We are specialized in the fields of intelligent transportation systems, smart grid systems, and civil bridge safety systems. With over ten years of experience in research, develop, and service, we are dedicated to providing the highest quality products and services to our global customers.

Two brands: Enviko and Viimax series.

Enviko represents our mature and stable products, dedicated to providing reliable and high-quality solutions. The Viimax series represents our innovative and pioneering products, constantly pushing the boundaries of technology and driving industry innovation. This dualbrand strategy allows Enviko to maintain a leading position in a highly competitive market.

Enviko is committed to providing high-quality products and services, working sincerely with partners and customers to achieve mutual growth. We will continue to pursue this strategy, constantly striving for technological innovation and industry advancement. Enviko looks forward to working with you to create a better future.