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EMF & SAR Safety – Product Safety in Electromagnetic Fields


Electrical safety and protection against hazards of electromagnetic are  subjects of the R&TTE-Directive. They are an integral part of the requirement for CE marking, and must be evaluated for approval. 


Evaluation is carried out by: 






  • Examination of the device by experts, based on the given specifications
  • Calculation of electromagnetic fields and intensities in connection with body models
  • Measurement of limit quantities (power, field strength, and SAR measurement) by a qualified laboratory
We offer testing and consulting services to manufacturers and distributors of electrical devices at  any stage of product design from initial development to final approval. The IMST Test Center develops and validates protection and safety features, for RFID read/write systems or electronic article surveillance (EAS) systems to defined safety distances for occupational and workers health protection.

Our services cover the entire range of basic restriction quantities (current density, specific absorption rate) as well as the associated reference levels (electrical field strength, magnetic field strength, magnetic flux density). As an example from recent work, scientific studies had been carried out to document the coupling and mutual interferences between active implants and transmitting telecommunication devices. Furthermore, calculations are performed using realistic and digitized body models of different genders and ages.

Additionally, calculations give an overview of the SAR values and current densities, regardless of dimensions, from small RFID tags up to transmission coils for magnetic resonance imaging or resistance-welding systems.   

Infobox/Norm:

 EN 50360/EN 62479
 EN 50383/50384/50385,
 EN 62311,EN/IEC 62209