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The Dirty Electricity Meter measures electromagnetic interference in a typical domestic single-phase AC power line.


Simple operation by plugging into a wall outlet (mains socket).


It will immediately displays total line noise in millivolts peak to peak (range 1999.9 mVp-p, resolution 0.1 mVp-p).


Covers a large frequency range of 10 KHz – 10 MHz.


A speaker plays the sound of the EMI, amplitude demodulated, in order to identify the EMI source (such as an AM or shortwave radio station vs. a motor vs. an electric arc).


No batteries required.

Dirty Electricity Meter

PriceFrom $329.00
  • SPECIFICATIONS                          

    Operating Voltage: 85-300 VAC 50/60 Hz.
    Voltage Reading: 85-250 VAC; Accuracy +/- 1 VAC
    Line Noise Range: 0.1-1999.9 mVp-p AC (differential)
    Line Noise Accuracy: +/- 8% @ 20 kHZ to 2 MHz; within a factor of 2 from 10 kHz to 10 MHz
    Size: 5.2 x 3.6 x 1.6 inches; 132 x 91 x 41 mm
    Weight: 8 oz
    Power Cable: Detachable 2-wire cord
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