Personal EMF detectors and meters



Magnii MT-263


Magnii MT-263 3-Axis Gauss MeterMagnii MT-263 ---- $269
(Free shipping in the US)
True RMS 3-Axis AC Guauss meter with back light

True-RMS 3-Axis AC Gaussmeter with all the features you could want.  Three axis measurement is accurate regardless of meter orientation.  Easy to use and feature rich.




  • 3-Axis True-RMS Measurements.
  • Accurately measures AC magnetic fields.
  • Wide Bandwidth: 15 to 5500 Hertz Auto-Ranging
  • Max Hold
  • Variable Backlight
  • Graphing
  • Powerline Field Measurements
  • Appliance Measurements
  • Lab Testing & Calibration


  • Accuracy: ±(4% + 4 digits) from 48 to 62 Hertz
  • Flat frequency response:
  • ±½dB 30 to 5000 Hz
  • -3dB 15 to 5500 Hz
  • Range 0-250 mG (auto-ranging)
  • Highest resolution: 0.01 mG
  • True RMS Measurements
  • Three Axis Detector, selectable (3-Axis, X, Y, Z)
  • Peak Axis (which axis has the strongest field)
  • On-Screen Graphing (Bargraph of field strength)
  • Max Hold
  • Fastest Update Rate: 2.5 times per second
  • Blue LED Backlight, variable brightness
  • Selectable units: milliGauss or microTesla
  • Runs on one 9V Alkaline battery (included), lasts ~15 hours
  • External power jack to run unit with optional AC power adapter.
  • Unit Weight (without battery): 7.2 oz
  • Unit Dimensions: 5.5" x 3.6" x 1.75"
  • 1 Year Warranty
  • Made in the USA


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