EMF Meter

Measure magnetic field strength in microtesla

Earth's Field (25–65 µT)
0 50 100 200 500 1000
0
µTesla

Magnetic Field Reference

Earth 25 – 65 µT
Natural background
Low 65 – 100 µT
Computer monitor
Moderate 100 – 200 µT
Microwave oven
High 200 – 500 µT
Power lines nearby
Very High 500+ µT
MRI machine

How to use

  • 1. Move your device near the object you want to measure
  • 2. The reading updates in real-time as you move
  • 3. Values near 25–65 µT indicate Earth's natural magnetic field