Extech 480823 Electromagnetic Field and Extremely Low Frequency Meter
by Extech Instruments
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Category: Tools
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Product Details
Manufacturer: Extech InstrumentsModel: 480823
Product features:
- Measures AC magnetic fields from electrical appliances, power lines and wiring
- Choose of readings in milliGauss or microTesla; ELF frequency bandwidth 30 to 300Hz
- Simple one button operation
- Max resolution 0.1 milliGauss (0.01 microTesla)
- 1-year warranty
- This Old House (1-year)
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Description of Extech 480823 Electromagnetic Field and Extremely Low Frequency Meter
The Extech electromagnetic field and extremely low frequency meter has a large 1/2-inch LCD 3-1/2 digit display of electromagnetic field (EMF) level in milligauss or microtesla. It also comes with over range indication, and a sampling time of 2.5-times per second. The meter is 5.2x2.8x1-inches and comes complete with a 9-volt battery.Tools and Hardware Reviews of Extech 480823 Electromagnetic Field and Extremely Low Frequency Meter
Customer Review: Great Fun
Summary: 5 Stars
I purchased this item mainly to test the area where my bed was placed for EMF's. I had recently moved my bed away from a wall where the power came into my house and felt the new placement was safer. What I found was that the wall where the bed had been had small (1.4) amounts of EMF's, but that the small alarm clock, placed on the table next to my head, was cranking out 134+. I've been testing everything in the house, and it's amazing the unlikely things that pour out the EMF's and the major things that don't. Unlike another reviewer, my meter came with a small manual. If you're interested in the invisible world around you I'd recommend this meter.
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