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 3. GQ EMF EF Meter RF Spectrum Power Analyzer
 Copper blocks 240Volt 50Hz electromagnetic field?		  New Topic  Reply to Topic
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memp

14 Posts
Posted - 11/08/2019 :  16:42:41  Show Profile  Reply with Quote
Hi

I am trying to block a 240 Volt 50Hz electromagnetic field.
While trying different materials i found that copper reduces the electromagnetic field from 5mG το 2,5mG.

Is Copper an effective material to block 240Volt 50Hz electromagnetic field?

Is that reading correct?
Edited by - memp on 11/08/2019 16:46:25
Reply #1

EmfDev

2143 Posts
Posted - 11/08/2019 :  17:40:30  Show Profile  Reply with Quote
Im not sure if it iss effective but as long as the reading is repeatable it should be correct. I just means the EMF around the meter with the copper blocking is lower than usual.
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Reply #2

JewelHanda

USA
1 Posts
Posted - 12/10/2019 :  07:52:09  Show Profile  Reply with Quote
Hi...at 50 - 60 Hz, you are in the near field, so you need to consider electric and magnetic field shielding separately. Also, at these frequencies, shielding is not really a matter of reflection and absorption. It's more a matter of locally redirecting the fields.

https://www.7pcb.com/
Edited by - JewelHanda on 12/27/2019 13:55:42
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