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Specific Absorption Rate (SAR) Testing

Specific Absorption Rate Measurement

About SAR testing

SAR stands for Specific Absorption Rate. It is a measure of the rate at which energy is absorbed by a mobile device user’s head, body or limbs when they are exposed to a radio frequency (RF) electromagnetic field. SAR testing provides manufacturers with an accurate measure of radio frequency exposure which they can include in product packaging and to demonstrate their compliance with SAR legislation.

In some countries, the SAR test result figure must be displayed at the point of sale. To have a presence in the global markets, manufacturers, importers and retailers must be able to demonstrate that their products meet the increasingly stringent SAR requirements imposed by local regulations.

TÜV SÜD's SAR testing capabilities

TÜV SÜD America has the specialist expertise and SAR measurement equipment you need to get all your products SAR tested and on to the market. Our accredited laboratories in the UK and in Japan have a depth of knowledge and experience gained through many years of providing SAR testing services. Manufacturers, wholesalers, retailers, network operators and market surveillance organizations have all worked with us.

We provide accredited testing to the latest worldwide standards, including those in the EU, US, Canada, Japan and Australia.

We have invested in the most technologically advanced SAR measurement equipment available - the DASY 6 from platform provider SPEAG of Switzerland. We will:

  • Carry out requirements gathering with you to understand the market you are targeting
  • Understand your product and its purpose
  • Carry out a range of tests to measure SAR
  • Provide you with a product report and feedback
  • Provide certification


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