• Perfectly easy to understand measuring of electromagnetic fields - super easy EMF exposure information
  • 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.
LED color: Green Yellow 1 Yellow 2 Red 1 Red 2 Red 3
Magnetic field (nT) <20 80-120 160-200 300-400 1000-1500 >2000
Electric Field (V/m) <6 15-20 25-30 35-40 50-60 >70
Radiowaves (µW/m²) 15 - 1500 depending on frequency
RF Enhanced Mode (µW/m²) 1 - 2250 depending on frequency

Operates for about 10 hours on one 9V battery (included). 1 year warranty.

  Frequency Range Axis
Magnetic field: 16Hz - 3kHz 3
Electric Field: 16Hz - 3kHz 1
Radiowaves: 50MHz - 10GHz 3