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Tag PWAS


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Implementing the proper safety system to the vehicle, according to the site-specific needs, is an essential factor to enhance worksite safety. Tag PWAS system for heavy equipment that is based on tag is a Vehicle To individual & Vehicle To Vehicle proximity warning and alert solution, designed for accident prevention between unremarkable personnel and machineries working in the worksite close to each other.

Tag-Based PWAS components for safety monitoring


  • Detections of stationary and moving objects
  • Providing visual and audible warnings
  • 360 Degree detection area coverage
  • Getting rid of blind spot areas
  • Suitable for any type of machinery
  • User defined detection range (7m to 15m)
  • Event and hazard reporting

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PWAS Control Unit


​The PWAS control unit is placed next to the operator inside the vehicle. When the tag is detected, the control unit issues an alarm to warn the operator of the heavy equipment that a person wearing a tag is approaching the hazard area. The antenna, which is built-in inside the control unit, creates a 360 degree detection zone around the vehicle and will recognize PWAS tags up to fifteen meters. PWAS Control Unit also provides the ability for event and hazard recording. This feature will support the risk assessment process, and improve the safety in workplace.

PWAS Tag


The PWAS control unit is placed next to the operator inside the vehicle. When the tag is detected, the control unit issues an alarm to warn the operator of the heavy equipment that a person wearing a tag is approaching the hazard area. The antenna, which is built-in inside the control unit, creates a 360 degree detection zone around the vehicle and will recognize PWAS tags up to fifteen meters. PWAS Control Unit also provides the ability for event and hazard recording. This feature will support the risk assessment process, and improve the safety in workplace.


Detection Zone


The detection zone is a pre-defined hazard area around the machinery. The PWAS Control Unit can, by default, detect tags within 7-15 meters. The detection zone can be expanded more than that, or even reduced according to site safety requirements. If within the detection zone, the system will detect +50 tags simultaneously.

Components used in Tag-Based Proximity Warning Alert System
Tag-Based PWAS for construction safety

PWAS Camera & Monitor

When PWAS Camera & Monitor are integrated with the Tag-Based system, this will provide greater confidence for the vehicle operators by making them aware of the personnel and property in the machinery blind zone. Cameras are mounted in the front and rear of the machinery, while the monitor is placed in the cab to provide clear vision and visual warnings. Extra cameras can be installed as well according to the site’s requirements.

 components of a Tag-Based PWAS unit

Frequently Asked Questions & Answers

The Tag PWAS enhances safety measures by alerting personnel and machinery when they are in close proximity to each other, thereby reducing the risk of accidents and enhancing overall efficiency in worksite operations. 

The Tag PWAS is equipped to detect both stationary and moving objects in the vicinity, ensuring comprehensive safety coverage in worksite environments. 

When a vehicle equipped with the Tag PWAS nears a tagged individual or object within its detection range, the system activates visual and audible alerts, prompting the vehicle operator to take necessary precautions to prevent potential collisions or accidents. 

Yes, the Tag PWAS is designed to be suitable for use with any type of machinery commonly found in heavy equipment environments, ensuring versatile safety solutions across various worksite applications. 

Can the Tag PWAS eliminate blind spot areas? 

Yes, the Tag PWAS is equipped with features such as 360-degree detection area coverage to help eliminate blind spot areas, thereby enhancing overall safety in worksite operations. 

The Tag-based Proximity Warning System serves as a proactive safety measure by providing real-time warnings and alerts to prevent accidents between personnel and machinery operating within the worksite environment, thereby upholding safety standards and minimizing risks. 

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