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What You Don't Know About Meters Can Hurt You!

There are many EMF meters on the market. New brands and models continue to appear almost monthly. The range of quality and pricing is daunting! You may pay too much for a poor quality meter. A meter that gives inaccurate results can fool you into taking expensive mitigation measures that are not needed! Or, an inaccurate meter may indicate there is no problem at all when in reality you are being over exposed to dangerous electromagnetic radiation (EMR). 

Let Me Take The Mystery Out of The EMF Meter Jungle

You can purchase EMF meters here on this website but first let's learn how to choose the the right one.

What Is The "Right" Meter?

The "right" meter is one that does the job intended to a reasonable level of accuracy and at the lowest cost possible. To determine the "right" meter you first need to understand a little about meter types and specifications. 

Analog vs Digital  The old style analog meter uses a needle and scale to measure. The reading is completely subject to how accurately your eye can read the scale. Generally, there is no reason to use an analog meter. Digital meters are usually more accurate and easy to read since you simply "read" the numbers. I recommend purchasing digital meters. 

Type of Field Measured  EMF comes in various types. To my knowledge there is no meter on the market that can measure all types and do so accurately. The basic types of measurements to take are:

  1. Power line frequency (ELF) magnetic fields
  2. Power line frequency ELF) electric fields
  3. Intermediate Frequencies ranging from 200 kHz to 100 MHz which includes AM and FM radio and many other broadcast frequencies.
  4. Radio frequencies ranging from 100 MHz to >8 GHz. This  range will likely soon be extended as the new 5G network is rolled out by the wireless companies.
  5. "Dirty" electricity which consists of electrical frequencies above power line frequency (60 Hz) up to about 200 kHz which are riding along (superimposed) on the power line. They are produced largely by modern electronic equipment.

Meter Specifications  There are numerous specifications listed on websites and manufacturers literature. The only ones that are truly important to the layman are:

  1. Frequency range- the range must cover the frequencies you intend to measure.
  2. Signal strength range - the range from the minimum to maximum signal strength that can be measured. You must choose a meter which can display measurements for all signal strengths likely to be encountered.
  3. Accuracy - This is not as important as it may seem. Accuracy is given in +/- % of the reading. For example a +/- 5% is better than +/- 10% everything else being the same. However, since EMF pollution is constantly changing (even by the minute) any meter with reasonable accuracy will tell the story. Leave the highly accurate, expensive meters to us experts!

Additional Considerations  

  1. Ease of use - Is the meter "intuitive"? Are buttons, switches etc well labeled and understandable?
  2. Size and Weight - This may be a consideration for some people.
  3. Power requirements - while most use alkaline batteries, some use rechargable batteries and have a power adapter/charger.
  4. Maximum hold - a few meters will hold and display the maximum value detected which is very helpful since readings tend to fluctuate, but its the maximum that is considered to be most important.
  5. Data Logging - Some meters will keep multiple measurements in memory which can be retrieved and viewed later. Many logging meters come with software to upload a spreadsheet of data to your computer. This can be a huge advantage if you want to leave the meter on at a location and come back later to analyze how measurements changed over time.

(to purchase click "add to cart" by the corresponding picture)


Low Frequency Electric and Magnetic Fields
(for measuring power lines and household wiring)

Gigahertz Solutions ME 3030B

Gigahertz Solutions is renown for high quality meters. The ease of use, coupled with accuracy and a reasonable price make this meter hard to beat! 


  • Measures both electric and magnetic fields
  • Usable frequency range up to 7 kHz. 
  • Accuracy +/- 2%
  • Wide range 0.01-20.00 mG (magnetic field) or 1-2000 V/m (electric field)
  • Has audio output to "hear" what you are measuring

Gigahertz Solutions ME 3851A

This is a professional quality meter by one of the best companies. German engineered meter comes with a certificate of calibration to ensure accuracy. If you're looking for a professional grade meter at a reasonable price this is it! 


  • Measures both electric and magnetic fields
  • Frequency range from 5Hz to 100kHz
  • Has 4 selectable filters to measure specific frequencies of interest: 16Hz; 5Hz-100kHz; 50Hz-100kHz; 2kHz-100kHz
  • Magnetic fields .001mG to 20 mG  +/- 2%
  • Electric Fields .1V/m to 2,000V/m  +/- 2%
  • Has audio output to "hear" what you are measuring

Radio frequencies
(for measuring wi-Fi, cellular, blue tooth and other RF sources)

Model AM-11

The latest version of Acoustimeter. Easy to use with many features. 


  • Very sensitive: Peak levels .02 - 6.0 V/m 
  • Average levels displayed in µW/m²
  • LED bars for quick visual reading showing danger level
  • Has audio output to make measuring more intuitive
  • Measures RF frequencies from 200MHz to 8GHz 
  • Note, many RF meters on the market do not have a frequency range that includes 5 GHz. However, most WiFi routers nowadays broadcast at both 2.4 GHz and 5 GHz simultaneously. This meter covers it!

Combination Meter



Trifield has a long standing reputation with easy to use combination meters at a great value. This latest model now has  a fully digital readout. An analog style display complements the digital readings for convenience. 


  • Measures AC electric and magnetic fields as well as RF fields
  • Measures frequencies 20 MHz to 6GHz RF
  • Sensitivity: magnetic .1 - 100mG electric 1 - 1000 V/m            RF .001mWm2 - 1000 mWm2
  • Backlite readout with sound function
  • Great accuracy for a meter at this price

Handy Meter
palm sized meter for travel

Very small and light meter with great features! Measures low frequency (power line) magnetic and electric fields plus high frequency from wi-fi, cell phones etc.

Ideal to carry in pocket or purse. 2.6 x 4.3 inches

Accuracy of only +/- 20-25% is not as good as most meters but adequate to identify sources of EMF while traveling.

Measures up to 8 GHz - higher than most meters!

"Dirty" electricity
Green Wave Broadband EMI Meter

The Green Wave EMI (electromagnetic interference) meter measures "dirty" electricity on the electrical wiring. You simply plug it in and make the measurement. The measurement is in milliVolts which is a universal, standard unit of measurement. Other brands use their own units not clearly defined. Also, the Greenwave meter measures higher frequencies than other brands. (up to 10 MHz)  Purchase EMF meters here by clicking on "add to cart" by the picture to the right.

Body Voltage Meter

Measures the voltage induced into your body by EMF sources. 

Especially useful in determining the effectiveness of grounding pads or similar equipment designed to reduce EMF. Instructions included.

For a complete discussion of how to take and interpret measurements

please read my e-book


by Gary Bocksch AAS, BS, MS 

Purchase Below - now only $19.95