I have a Trifield Meter. Can I use it to measure dirty electricity?

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No they will not.

The Cornet ED88T is a combination meter designed to measure ambient AC electric fields, AC magnetic fields, and radio frequency (RF) fields. This meter is NOT effective for measuring dirty electricity. Here are a few reasons why…

  • The frequency range covered by this meter does not cover all dirty electricity frequencies.

  • The meter is not sensitive enough on the lower end to register levels of dirty electricity considered “too high” by experts in the field.
  • The meter is unable to distinguish between the 60 Hz electric and magnetic fields from standard AC electricity and the higher frequency electric and magnetic fields associated with dirty electricity.

To measure dirty electricity, you need an oscilloscope or plug-in EMI meter.

An oscilloscope and spectrum analyzer provide the best way to analyze specific characteristics of the dirty electricity present on building wires. Unfortunately, these tools can be quite expensive and require significant expertise and experience to use effectively.

A much easier and cost-effective way to measure dirty electricity on building circuits is to use a plug-in EMI (electromagnetic interference) meter, also known as a line noise meter or microsurge meter. Two examples of such meters are the Greenwave Broadband EMI Meter and the Stetzerizer Microsurge Meter. These meters are easy to use. Simply plug them into electrical outlets to find out how much dirty electricity is present on nearby wiring. These meters are also very useful for guiding the installation of dirty electricity filters for optimal results. They can help you determine the best number of filters to install in each room and which combination of electrical outlets to choose for installation.

The table below provides some basic information about the Greenwave and Stetzerizer meters.

  GREENWAVE
Broadband EMI Meter
STETZERIZER
Microsurge Meter
Frequency Range 3 kHz – 10,000 kHz 4 kHz – 100 kHz
Measurement Units Millivolts (mV) Graham-Stetzer (GS) Units
Measurement Range
(Sensitivity)
1 – 1999 mV 1 – 2000 GS Units
Audio Feature YES
Let’s you listen to the dirty electricity (i.e., electrical noise) present on building wiring.
NO
Other Special Features

Makes gauging the effectiveness of dirty electricity filters easy.

  • BEFORE filter and AFTER filter readings can be displayed on the same screen simultaneously.
  • Display screen also shows % reduction in total EMI noise following filter installation.
N/A

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