Interested in the level of electromagnetic radiation you are exposed to? Get a personal emf detector!


The esi 24 emf detector - now with sound demodulation

and further improved 5G/broadband signal detection!


 Update December 2021: The esi 24 has had a good long run! Over 3 generations and after many thousand meters sold we have replaced it with a brand new 2021 development:
The CEMPROTEC 34 is now available in the US! Same trusted R&D and product quality as the esi 24, now with brand new electronics and in a sleek housing: more info on the CEMPOTEC34 here!


Now available in the USA - Buy your CEMprotec 34 here!


Electrosmog measuring made easy - the esi 24 is a unique emf detector - emf meter with patented electronics.

  • measures high frequency electromagnetic radiation - RF and microwaves up to 10 Gigahertz!
  • includes a 3D Gauss meter function with excellent sensitivity, starting from as low as 20 nanoTesla = 0.2 milliGauss
  • true trifield meter: measures and rates low frequency and high frequency EMF
  • simultaneous display of AC magnetic field, AC electric field and HF-microwave radiation levels


Engineered and produced in Germany!


Get the ultimate EMF assessment tool from German buildings biologists for your own home!


Buy the esi 24 emf detector here now!


Technical data - frequency ranges:

 Magnetic field: 16 Hz to 3 KHz

 Electric field: 16 Hz to 3 KHz

 Radiowaves - microwaves: 30 MHz to 10 GHz

  • super-sensitive Gauss meter function: three-dimensional magnetic field measurement with LED rating of values!
  • enhanced high frequency mode with sensitive and accurate assessment of your microwave exposure situation
  • esi 24 emf detector comes with sound demodulation - listen to the different wave forms in real time!


 Click here to buy the esi 24 emf detector!


Information about the esi 24 in German



Why choose the esi 24 emf detector? 

The esi 24 emf detector provides

  • perfectly easy to understand measuring of electromagnetic fields - super easy emf exposure information for interested laypersons
  • sophisticated features and accurate readings - the esi 24 qualifies as a first line assessment tool for emf professionals
  • a perfectly quick and easy to read overview of your emf exposure situation at home, in your office and when traveling
  • discreet monitor design with integrated RF - microwave antenna: now you can measure emf anywhere without drawing attention, and without the hassle of having to install an external antenna
  • Super-compact size, fits in any pocket - well, almost any pocket.


The amazing esi 24 - buy your perfect personal emf detector!


Download the esi 24 manual.


Questions about the esi 24 emf monitor?


Visit our contact page here!