EMF Meter: Analog 0 to 10 mG Electro-Magnetic Field Meter (ELF-ZONE) with Safe, Caution, & Danger LED Display

What this meter lacks in resolution it makes up with ease of use and very low cost. Will measure ELF/VLF magnetic fields in the frequency range of 20 to 10,000Hz, with a minimum sensitivity of .25 mG. Laboratory tested and documented for accuracy.

•  Easy to read, fast response color LED display
• Single Axis sensor
• Frequency Bandwidth: 20 to 10k Hz
• Accuracy: ±5% at 50-60 Hz
• Three LED lights signal field strength:
  • GREEN: 0 to 2.5 mG (safe)
  • YELLOW: 2.5 to 7 mG (caution)
  • RED: >8.0 mG (danger)
• On Off switch
• Low battery indicator
• Power: (1) 9v battery