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  • Lutron 822-A Fully Digital EMF Meter (Wide Range, High Resolution)
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Lutron 822-A Fully Digital EMF Meter (Wide Range, High Resolution)

by Lutron
| 22 answered questions

Price: $59.99 & FREE Shipping. Details
In Stock.
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  • makes measuring ac magnetic fields a breeze
  • simple 1 button operation
  • readout in both milliGauss and microTesla
  • wide range: 0.1-199.9 mG; 0.01-19.99 microT
  • accuracy: 4% ±3 digits at 50/60 Hz
See more product details
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Frequently Bought Together

Lutron 822-A Fully Digital EMF Meter (Wide Range, High Resolution) + HDE Non-Contact Infrared IR Temperature Gun Digital Thermometer with Laser Sight Targeting + K2 KII EMF Meter Deluxe BLACK-New & Improved Design
Price for all three: $139.84

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Product Information

Technical Details
Part Number EMF-822A
Item Weight5.6 ounces
Product Dimensions5.9 x 4.3 x 2.5 inches
  
Additional Information
ASINB0015ENO6W
Best Sellers Rank #16,734 in Home Improvement (See top 100)
Shipping Weight5 pounds (View shipping rates and policies)
Date First AvailableOctober 2, 2001
  
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Product Description

Rugged, Compact, & Lightweight Magnetic Field Meter

Couldn't be easier to use, just turn it on and get accurate reliable readings. Perfect for situations needing high resolution measurements of AC magnetic fields without spending a lot of money. Large LCD display reads 0.1 -199.9 mG over the ELF range of 30 - 400 Hz. Provides readout in both mG and microTesla. Calibrated to within 4% ±3 digits at 50/60 Hz. This single axis meter samples every 0.4 seconds when flipped on with slide switch. Requires one 9V battery. One year limited warrantee.

Like all single axis meters, this meter must be rotated during use to find the proper orientation to the magnetic field being measured to get proper readings.
Please note: this product is intended to measure electric fields, and does not detect nuclear radiation.

Customer Reviews

This units works great, very pleased.
makmik
Works fairly well, and I haven't found any EMF spikes when left alone.
Greg
I will be buying another one in the near future.
N

Most Helpful Customer Reviews

98 of 99 people found the following review helpful By Greg on March 5, 2011
Verified Purchase
Ordered mine and received it within 3 days.
Works fairly well, and I haven't found any EMF spikes when left alone. (NO Ghosts)
The only thing that it lacks, is a led light, because the screen is not visible in low-light conditions.

SCANNING RESULTS

Microwave Oven-------72.5 - 115.0 Gauss

Telephone Pole--------01.7 - 97.5 Gauss

Bedroom Clock Radio---40.2 - 162.7 Gauss

JVC SDTV-------------23.6 - 58.7 Gauss

Vizio HDTV------------02.6 - 5.3 Gauss

Refrigerator-----------03.9 - 5.1 Gauss

Wall Outlet------------00.3 - 4.5 Gauss

PRO

Price
Compact
No prior knowledge needed

CON

No led light
Single axis - Need to rotate (triangulate) to find x,y,z
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80 of 82 people found the following review helpful By Commander Data on March 21, 2012
Verified Purchase
First off if your trying to measure cell phone radiation, this device will not work. It's only low frequency which is good for household wiring, power lines and appliances. So if you want to check cellphones, cell towers, microwave leakage, WIFI, Smart Meters and etc, you will need to get a RF capable meter that goes from 50 MHz up to 3 GHz or higher for some cordless phones and wireless N.

Have not tried using it for Ghost Adventures yet..
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Review for: Lutron 822-A Fully Digital EMF Meter

OVERVIEW:
-----------

Measures EMF strength of low frequency (30Hz-300Hz in this case) portion of AC MAGNETIC FIELD (NOT AC electric field, too) from ONE AXIS (direction) in milligauss (mG) or microteslas (uT).

Because cell phones and microwaves are in a much higher frequency range, this product does not measure EMF (RF) at those frequencies. You would want a separate meter for that.

The Achilles Heal of this instrument is that the design is HIGHLY INACCURATE for LOWER EMF readings. The accuracy is not 4% of the displayed value (+ 3 digits) but rather THE ACCURACY IS % OF THE VALUE OF THE END OF THE MEASUREMENT RANGE (4%x200mG = +/-8mG (+ 3 digits). Since most consumer EMF checking is in the single and low teens mG, this is unfortunate.

This will do fine for noting the EXISTENCE of stronger EMF at lower frequencies, but appears to be a highly inaccurate choice for MEASURING it.

MAIN VALUE:
------------

- Measures EMF at 30Hz-300Hz low frequency range (Magnetic AC field only, not Electric AC Field), which covers most EMF generated by AC power in most homes/offices. 60Hz (U.S.) and much of the EMF generated by resulting harmonic frequencies .. 120Hz (2nd harmonic), 180Hz (3rd), 240Hz (4th), 300Hz (5th).

CONS:
------

- HIGHLY INACCURATE for LOWER EMF readings .. a fixed +/- 8.3 milligauss (mG). Since most suggested defensive limits for extended exposure are 1mG-2mG or so, this greatly limits its utility. See paragraph above under "The Achilles Heal of this instrument.." for more detail.

- Measures only AC magnetic field (mG/uT), NOT AC ELECTRIC FIELD (V/m,mW/cm2, etc.).
Read more ›
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47 of 53 people found the following review helpful By Jacob A. Collins on April 19, 2009
Works Great, used it at work and found a big energy leak.

Also tested an old computer monitor (CRT type) that was giving my friend lots of headaches, it was putting out 5.49 milliGauss, about as much if you were to put your face right in front of a microwave oven.

Mmm toasty, now wonder her eyes were burning and her forehead was hot.
p.s. hope her boss buys her an LCD monitor, not so much radiation.
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27 of 29 people found the following review helpful By V. cox on May 27, 2011
Verified Purchase
Haven't used yet for paranormal but...
computer... 1.5
dish washer 2.5
old alarm clock 10
new alarm clock 20
electric fireplace 50
microwave 200

National Cancer Institute page uses words like "inaquedate" and "limited" to describe the evidence showing a link between EMF's and cancer. They never claim that there isn't any.
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11 of 11 people found the following review helpful By George S. Nieldan on November 16, 2010
Verified Purchase
I love this, it works quite well and I was able to identify some areas of the house where there were high EMF readings.
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14 of 15 people found the following review helpful By Wilber Marquez on May 14, 2010
Verified Purchase
It does what it saids it does. Very simple to use! One button, two functions, can't get any more simple than that.
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11 of 12 people found the following review helpful By makmik on November 29, 2011
This units works great, very pleased. The unit is very accurate and consistent on it's readings. Was able to identify items that emitting EMFs and were able to see how far to move the item away and just remove the item. I found clock radio's to be especially bad, but they emit the EMF differently, some just sent the wave out the back and nothing in the front. My Micro-wave was one of the worst, but I found in one area of the kitchen that was EMF free. With my lap top computer was real bad were the plug comes in, but I found within a few inch the EMF goes away. Very Reliable, economical, love the read flashing light on top (which starts to flicker above 2 and gets faster the higher it goes)and the option of the sound (which also increases with the reading goes up).
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