Robert - Saline only has been proposed (is not common) as a simulation for body tissue (muscle), for which the SAR exposure limit is 4 W/kg. For brain and organs, the limits are more strict, at 1.6 W/kg. The exact content of the simulation liquid will determine its permittivity and conductivity, which need to be different at different frequency ranges.
Note that for certification purposes, a maximum error of 20% for the whole system (liquid, probe, positioning, etc, etc) is now being required by the agencies. This is *very* tight in SAR measurement. Please see my earlier post for more information. Regards, Kate APREL Laboratories (.sig at end of post) > From: m...@global.california.com > Date: Tue, 17 Mar 1998 18:48:04 -0800 (PST) > To: ed.pr...@cubic.com > Cc: emc-p...@ieee.org > Subject: Re: RF Exposure > Reply-to: m...@global.california.com > As a first pass, try balloons with mild saline solution. The skin effect > at those frequencies is shallow so bags o' water are close approximations. > > - Robert - > > On Tue, 17 Mar 1998 ed.pr...@cubic.com wrote: > > > > > Looking for a supplier of mannequins (head, upper torso, whole body?) to > > simulate and measure the absorption of RF energy from very close emitters > > (cell phones, man-pack radios, telemetry). > > > > Anyone have any leads for anything from raw materials to complete dummies? > > > > -------------------------- > > Ed Price > > ed.pr...@cubic.com > > Electromagnetic Compatibility Lab > > Cubic Defense Systems > > San Diego, CA. USA > > 619-505-2780 > > Date: 03/17/98 > > Time: 11:51:54 > > -------------------------- > > > > > > > > > > ___________________________________________________________ Kathy M. MacLean, President APREL Laboratories "Research-Training-Consulting-Testing Wireless-EMC-Acoustics-Health & Safety/SAR" 51 Spectrum Way, Nepean, Ontario, Canada K2R 1E6 Tel (613) 820-2730; Fax (613) 820-4161; Cell (613) 791-3777 email k.macl...@aprel.com http://www.aprel.com
