OBM Systems are able to measure the mass of axle groups and calculate the gross vehicle mass of a vehicle.

Transport operators have adopted OBM Systems – which are commonly known as weigh scales or mass measurement systems – as a technology-based strategy to better manage commercial obligations, mass compliance and chain-of-responsibility requirements – in some cases, all three. Given this reliance on OBM Systems and the breadth of their application, having assurance in their use is critical for all stakeholders.

One of the most prominent differentiators between OBM Systems is the way mass information is presented and recorded – from the provision of electronic displays, through to mass information collection, and interconnectivity with telematics devices. Three categories of OBM System type-approval cater for these functional capabilities, as summarised below:

Category Description
Category A OBM Systems in this category electronically display mass information to drivers and/or loaders
Category B OBM Systems in this category also collect and transmit mass information
Category C OBM Systems in this category collect and transmit mass information in a standardised way to telematics devices (in accordance with TCA's Interconnectivity Specification) permitting the ability to ‘plug and play’

Being part of the National Telematics Framework provides the scalability and interconnectivity to suit stakeholder needs. This fusing of data collected from different devices and systems, in a standardised way through the National Telematics Framework, opens the door for new opportunities for industry and government to do business.

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