Ah, the other skin effect. ;-) Not exactly what is sought, but maybe there is useful information in the realm of BIA research such as this papers like this (?) (apologies for the long link copied from iPad browsing..):
https://watermark.silverchair.com/388s.pdf?token=AQECAHi208BE49Ooan9kkhW_Ercy7Dm3ZL_9Cf3qfKAc485ysgAAAj4wggI6BgkqhkiG9w0BBwagggIrMIICJwIBADCCAiAGCSqGSIb3DQEHATAeBglghkgBZQMEAS4wEQQMK9rzuV_KcmVd0YYmAgEQgIIB8aE4lCFFt9fFX96v6OzuvlcLM5-2W5FoYfBkvXXT_X-3tBmqmMAyaSxzcTQE4Stexjpj4Qfc5-kxgt5BHDtWj3rSJSJEXHJgs9grXvan1pmRzK9t9zmo-cS4-cLvQ_BbPNW_5tgTDkJPDrpQTnU8S1h6CxoG1WU3CzTW45FJBPJc5iEQ48bFAAvcsbPUSXafzya-d6Wx_gsjpJ40wpXz1xfZgvKCnpuevfCOxiutn1z7S8-UwGxHsSmHQZY-0UaIVmJXQGfNSqKc6nwt8lMDhTjy3yj7F33YK_O__a1JYxAssvE0wdRo0JilmNDFGz-kqK1GtDWc7wE6hVqzWLu5LdZ8gJ8Gn5BOM-ji-2_gx_dQPSUb-HhsCuw25CZUHe8EyeUaxFah9LJaHM8AqYSphUP9RQmuXP8LFoETISL8T-tG-lHHOq57-QSHCvtOorns94lEKRncyd_BqkW-4I0DJ4545W9G0LXuGsjDOksRm6tpB4-taeLFLWb5BdZdvvO597JFE_J6rR8EUu8z-FhFtxd87-ZlyU3RfA8jIXb_pRF_I5Fhwog-c23hkQodfyHrIfxdt3n4DrHu12W-Bc6KkXKQ4jqxONOkVESRD63kp9MWFkvwRCdh4820bN1dSA5gmtEatpc1gNmlHLn9aYIyMo2Z Cheers, Adam in Atlanta [email protected] Sent from my iPad > On Mar 13, 2019, at 3:11 PM, John Woodgate <[email protected]> wrote: > > I don't know of any that Pete Perkins wouldn't know about. > Best wishes > John Woodgate OOO-Own Opinions Only > J M Woodgate and Associates www.woodjohn.uk > Rayleigh, Essex UK >> On 2019-03-13 19:06, Richard Nute wrote: >> >> John referenced “skin resistance.” >> >> To my knowledge, there is no research that shows skin resistance and body >> resistance as separate parameters. We only know total body resistance, and >> that it is a variable that changes – lowers -- with applied voltage and time. >> >> Having said that, a good guess that skin resistance is the predominant >> parameter at low voltages. The “body” is comprised of water-predominate >> organs, so is likely to be a lower resistance than skin resistance and >> relatively constant with voltage. >> >> We also know that capacitance parallels the total body resistance. But, as >> with resistance, we don’t know how to apportion the capacitance to the skin >> and to the body. >> >> If you know of any such research, please let me know. >> >> Best regards, >> Rich >> >> From: John Woodgate <[email protected]> >> Sent: Wednesday, March 13, 2019 1:30 AM >> To: [email protected] >> Subject: Re: [PSES] classification of the output >> >> We found very great differences in human 'skin resistance' at effectively >> zero voltage when designing TV tuners with touch-contact channel selection. >> We had to make the sensitivity so high that there was a risk that houseflies >> would change the channel. >> >> Best wishes >> John Woodgate OOO-Own Opinions Only >> J M Woodgate and Associates www.woodjohn.uk >> Rayleigh, Essex UK >> On 2019-03-13 05:22, Pete Perkins wrote: >> - >> ---------------------------------------------------------------- >> This message is from the IEEE Product Safety Engineering Society emc-pstc >> discussion list. To post a message to the list, send your e-mail to >> <[email protected]> >> >> All emc-pstc postings are archived and searchable on the web at: >> http://www.ieee-pses.org/emc-pstc.html >> >> Attachments are not permitted but the IEEE PSES Online Communities site at >> http://product-compliance.oc.ieee.org/ can be used for graphics (in >> well-used formats), large files, etc. >> >> Website: http://www.ieee-pses.org/ >> Instructions: http://www.ieee-pses.org/list.html (including how to >> unsubscribe) >> List rules: http://www.ieee-pses.org/listrules.html >> >> For help, send mail to the list administrators: >> Scott Douglas <[email protected]> >> Mike Cantwell <[email protected]> >> >> For policy questions, send mail to: >> Jim Bacher <[email protected]> >> David Heald <[email protected]> >> > - > ---------------------------------------------------------------- > This message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. To post a message to the list, send your e-mail to > <[email protected]> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used > formats), large files, etc. > > Website: http://www.ieee-pses.org/ > Instructions: http://www.ieee-pses.org/list.html (including how to > unsubscribe) > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > Scott Douglas <[email protected]> > Mike Cantwell <[email protected]> > > For policy questions, send mail to: > Jim Bacher <[email protected]> > David Heald <[email protected]> - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher: <[email protected]> David Heald: <[email protected]>
