Triplett - Magnetic Field Meter In Stock Now

Magnetic Field Detector, Measures Electro-Magnetic Field of Extremely Low Frequency from 30 to 300 HZ. The Triplett EMF20 Magnetic Field Meter measures electro-magnetic field of extremely low frequency (ELF) from 30 to 300Hz produced from electric transmission equipment, power lines, microwave ovens, air conditioners, refrigerators, computer monitors, fans, hairdryers, and many other appliances. Measurements can be displayed in milligauss or µTesla. It features a single axis sensor, ±2.5% accuracy, and a Max Hold function.


  • Measures electro-magnetic field of extremely low frequency (ELF) from 30 to 300Hz
  • Measurements can be displayed in milligauss or µTesla
  • Single axis sensor
  • ±2.5% accuracy
  • Max Hold function