All our meters are designed and assembled in the U.S.A
The EPA recommends prudent avoidance of EMFs - Make sure your home is safe!


MT-263 AC Gaussmeter: Professional AC Measurement



True-RMS 3-Axis AC Gaussmeter with all the features you could want.  Three axis measurement is accurate regardless of meter orientation.  Professional, easy to use and feature rich, all at a great price.

  • 3-Axis True-RMS Measurements
  • Accurately measures AC magnetic fields
  • Wide Bandwidth: 15 to 5500 Hertz
  • Auto-Ranging
  • Max Hold
  • Variable Backlight
  • Graphing
  • Rugged construction

 Innovative Peak-Axis feature tells you which axis has the highest field strength.  Great for tracking down the source of a field!

  • Make sure your home's EMF levels are safe
  • Powerline Field Measurements
  • Non-destructive testing
  • 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"
  • 2 Year Warranty
  • Made in the USA

Frequency Response    ±½dB 30 to 5000 Hz

Frequency Response


Hard Carrying Case

Hard Carrying Case

Fits up two meters comfortably, this hard case will keep your equipment protected.  Case dimensions are 10.69" x 9.52" x 3.36" and features pluck-foam so you can customize it to hold any of your equipment!

Select the "With Hard Case" option below when ordering.

9v AC Adapter

9v AC Adapter

9v Adapter allows you to power your meter from a standard (USA) power outlet, saving on battery costs.

Select the "With AC Adapter" option below when ordering.

$ 259.00
Hard Carrying Case:
No Hard Case
With Hard Case ($18)
AC Adapter (USA Outlet):
No AC Adapter
With AC Adapter ($11.50)