Personal EMF detectors and meters



Magnii DSP-523


Magnii MT-263 3-Axis Gauss MeterMagnii DSP-523 ---- $319
(Free shipping in the US)
3-Axis EMF meter can IGNORE, BANDPASS and ANALYZE 50/60Hz powerline fields

The DSP-523 uses a powerful digital signal processor that sets a new standard for AC gaussmeters.  Now you can ignore powerlines, bandpass powerlines and analyze powerline harmonics, all with one simple meter.



  • Powerline Field Measurements.
  • Powerline Quality and Total Harmonic Distortion (THD) analysis.
  • Measurement of DC or combustion motor electromagnetic fields.
  • Measure hybrid car electromagnetic radiation.
  • Appliance Measurements.
  • Lab Testing & Calibration.
  • Testing Stetzerizer/harmonic noise filters.


  • Accuracy: ±(4% + 4 digits) from 48 to 62 Hertz
  • Flat frequency response:
    • ±½dB 30 to 300 Hz
    • -3dB 15 to 330 Hz
  • Range 0-250 mG (auto-ranging)
  • Highest resolution: 0.01 mG
  • True RMS Measurements
  • Three Axis Detector, selectable (3-Axis, X, Y, Z)
  • Two display styles:
    • On-Screen Graphing of total RMS, Notched and Bandpassed field strength
    • Dual readout: Compare total RMS strength plus select:
      IGNORE 60Hz Only or 60Hz+Harmonics
      BANDPASS 60Hz Only or 60Hz+Harmonics
  • Blue LED Backlight, variable brightness
  • Max Hold on ALL features
  • Update Rate: 1.6 times per second
  • Selectable units: milliGauss or microTesla
  • Runs on one 9V Alkaline battery (included)
  • 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


 Choose An EMF Meter Wizard

Secured orders

Visa  Secured orders PayPal

Payments are completely safe. Didn't like the
product or service?
You can easily get
your money back  here.

 Care about someone?
Now you can give them our
gift certificate.

 Translate to Japanese Translate to English Radmeters in French Radmeters in Portuguese Radmeters in Spanish Radmeters in German Radmeters in Polish
Honk Kong Flag China Flag Radmeters in Russian Radmeters in Greek Radmeters in Hindi