Who are we? Our history, our values.

The "Diagnostic CEM" online store, located in Reims (Marne, Grand Est), was created in February 2021 by the design office specializing in the measurement of electromagnetic waves and electromagnetic diagnostics: NOTARC.


Diagnostic CEM is a global brand, at your service, for:

  • Electromagnetic diagnosis (wave measurement)
  • The supply of electromagnetic wave measuring devices
  • Protection against electromagnetic waves


The Diagnostic CEM store specializes in the measurement of electromagnetic waves (wave measuring devices, wave detectors) and in protection against electromagnetic waves (anti-Linky PLC filters, bioswitches, anti-wave paints, anti-wave fabrics, anti-wave bed canopies, etc.).


The Diagnostic CEM store (online anti-wave store, wave measurement, electromagnetic wave protection) offers you a wide selection of the best wave protection products at the best price.

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With many years of experience in consulting, expertise, auditing and measuring electromagnetic waves, Diagnostic CEM (Diagnostic Champs ElectroMagnetiques) has put its skills at your service by carrying out numerous electromagnetic diagnostics of houses, apartments, businesses and administrations since 2018 (the year the Notarc design office was created). This experience acquired in improving the electromagnetic environment was used in the creation of the Diagnostic CEM online store, which presents a selection of the best wave detectors and measuring devices for low and high frequency electromagnetic waves, as well as the most effective wave protection equipment and materials (anti-Linky PLC filters, bioswitches, etc.). The Diagnostic CEM store is at your service to help you protect yourself from electromagnetic waves. The Diagnostic CEM store offers you a wide range of wave measuring devices with the objective of: reliable, simple and precise measurement of electromagnetic waves. The Diagnostic CEM store is aimed at both individuals looking to assess their level of exposure to waves and professionals looking for precise, robust, and practical devices. Diagnostic CEM also offers a selection of effective electromagnetic wave protection products that have been tested by independent measurement laboratories. The Diagnostic CEM store is an independent online store; it is not part of any network or group. The Diagnostic CEM store specializes in electromagnetic wave measuring devices and anti-wave protection products. Need personalized advice on choosing the right wave measuring device? The right anti-electromagnetic wave protection? Do not hesitate to contact us at 06 46 35 67 69 (toll-free number), by email, or via our form. The entire team at the Diagnostic CEM anti-wave online store is at your service. EMF: Electromagnetic Fields
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