Having to assume here that emission measurements are of interest, although it 
is not specifically stated.

Also no mention of how “close” close is. It does matter…

Some measurements are specified at 7 cm. Some at 5 cm. Some at one meter. 
Specificity matters in the near field.


Ken Javor
Ph. (256) 650-5261



> On Feb 23, 2026, at 10:34 AM, John Woodgate <[email protected]> wrote:
> 
> Re limits, the international standards are produced by IEC TC106, and you can 
> see a list at: 
> https://iec.ch/dyn/www/f?p=103:22:11802229485423::::FSP_ORG_ID,FSP_LANG_ID:1303,25
> 
> However, IEEE standards are often different, and I can't steer you to them. 
> Also, very few standards set limits at close proximity, because the 
> measurements are difficult to make repeatably.  To find an expert, you could 
> try to contact the TAG for IEC TC106 through ANSI.
> 
> On 2026-02-23 16:14, Brian Kunde wrote:
>> I am looking to purchase the test equipment necessary to test Radiated 
>> Electromagnetic and Magnetic Field (EMF) between 100Khz and 30Mhz at very 
>> close distances to the product.  Our goal is to buy something economical to 
>> quick-check a couple products we make, so we are looking for a way to 
>> measure these measurements without breaking the bank.  Any suggestions.  
>> 
>> Also, are there any experts in EMF testing that would be willing to answer a 
>> few questions regarding limits?  I have read through the ICNIRP guides and 
>> found them to be very difficult to understand; especially in the 100kHz to 
>> 300Ghz document.  On occasion, we get test reports from field evaluations 
>> and the limits they use does not seem to line up with anything I have found 
>> so far.  
>> 
>> If there are good online references I have yet to find and read, that would 
>> be helpful, too.
>> 
>> Thanks to all.
>> The Other Brian
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> -- 
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