Who are we ? Our history, our values.

The "Diagnostic CEM" online store, located in Reims (France), was created in 2021 by the design office specializing in the measurement of electromagnetic waves and electromagnetic diagnosis: DIAGNOSTIC CEM.

With many years of experience in consulting, expertise, auditing and measurement of electromagnetic waves, Diagnostic CEM (Diagnosis ElectroMagnetic Fields - EMF) has put its skills at your service by carrying out many electromagnetic diagnosis of houses, apartments or businesses, since 2018.

This experience acquired in improving the electromagnetic environment was put to good use in the creation of the Diagnostic CEM store which presents a selection of the best detectors and measuring devices for low and high frequency electromagnetic waves and materials and equipments for protection against electromagnetic waves. A range of measuring devices that goes straight to the point : the reliable, simple and precise measurement of electromagnetic waves.

The Diagnostic CEM store is aimed at both individuals seeking to assess their level of exposure to waves and professionals wishing to have precise, robust and practical devices to use. Need personalized advice on choosing the right measuring device? Do not hesitate to contact us by email or via our form.

The entire Diagnostic CEM team is at your service.
Visit the store

Welcome to Diagnostic CEM online store. Low and high frequency electromagnetic wave detectors and measuring devices. Protections against electromagnetic waves (anti-wave films for windows, anti-wave paint, etc.). We wish you a pleasant visit !


Free delivery in the EU on measuring devices (from 200 € of purchases)


Low frequency electromagnetic waves come from electric current (domestic electricity, high voltage electric lines, electric transformers, electric devices, electric boards and meters,...).


High frequency electromagnetic waves are linked to WiFi, Bluetooth, mobile telephony (3G, 4G, 5G), DECT phones, radio and television broadcasting,...

The Diagnostic CEM online shop is an internet store specializing in EMF detectors, EMF meters and EMF protection (electromagnetic shielding, Faraday cages).


In the Diagnostic CEM online store you will find the best EMF measuring devices for low and high frequency electromagnetic fields and the most effective EMF protections against electromagnetic waves. A search bar is available in the store to find the EMF protection products you are looking for. All products are classified by category (wave detectors, TES and Tenmars wave measuring devices, Gigahertz Solutions wave measuring devices, Safe and Sound Pro 2 wave measuring device, EMF shielding fabrics, anti-wave clothing, EMF shielding paints,...).


On the Diagnostic CEM store website there is also a buying guide with a FAQ section (Frequently Asked Questions) to help you choose the right EMF measuring device for your needs or the most effective EMF protection to protect you from electromagnetic fields.


EMF meters, EMF detectors and EMF protection, shielding of electromagnetic fields (5G, Wifi, electrosmog, magnetic field,...), electromagnetic shielding solutions, links to the products data sheets :


Diagnostic CEM is a European online store specializing in electromagnetic wave measurement and anti-wave protection (EMF protection). Our storage warehouse is located in the North of France and serves Europe and the World. See the list of countries where we deliver our electromagnetic wave measuring devices and our anti-wave protection products (shielding products).