• EMF300
  • Manufacturer has 50 in stock
    This stock is typically available to ship in 3 - 5 working days.


  • 0 to 1.999mW/cm2 measurement range
  • Less than 2db accuracy
  • Audible alarm if level is greater than 1mW/cm2
  • 2.45GHz calibration frequency
  • Peak Hold function captures highest value
  • Overrange indicator

What's in the Box

  • EMF300
  • 9V battery
  • Manual

The Extech EMF300 Microwave Leakage Detector is designed to measure high frequency radiation levels emitted from household and commercial microwave ovens. The EMF300 has a measuring range of 0 to 1.999mW/cm2 and accuracy of less than 2db. The EMF values from 30MHz to 3GHz can also be measured for reference only. The peak hold function captures the highest value.