Hello Group,

I am seeking information on non-ionizing radiation, primarily for workplace 
safety.   I am not actually concerned about the on-going controversy dealing 
with low-level radiation (VDTs, overhead lines, etc.).  This is not to say I 
don't care, but I am currently interested in high-level non-ionizing 
radiation which may actually be high enough to cause tissue heating.  US 
standards are probably most applicable but information from any source is 
welcome.

My company, among other things builds High Power RF fixed and variable 
frequency generators ranging from 100 kHz to 40 MHz at power levels now 
approaching 120 kW for some frequencies.  Many times during test and repair 
these generators must be operated with the covers open.

 -  What are acceptable limits?
 -  How do I monitor/measure?

I have heard stories of a device (probe?) which resembles a bathroom scale 
and may be connected to a spectrum analyzer.  A person or human body model 
stands on the device.  It operates on the idea that electromagnetic 
radiation received by a human body is conducted out through the ground 
below.

Thanks in advance for any help.

Doug Powell
Compliance Engineer
Advanced Energy Industries, Inc.
Ft. Collins, Colorado USA

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