Measuring Skin Resistance: AC vs DC, Recommended Frequency, Safe Voltage/Current Levels

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#1 21662252 20 May 2012 11:38

Jos Nasmeh Jos Nasmeh

Anonymous

Post #1
21662252 20 May 2012 11:38

I think I need AC current and not DC!? Right?
What frequency? What max value of AC current/voltage?
Any info will be useful!
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#2 21662253 22 May 2012 11:52

DAVID CUTHBERT DAVID CUTHBERT

Anonymous

Post #2
21662253 22 May 2012 11:52

I assume you mean human skin resistance. How you measure this depends on what the measured value will be used for. If used for AC power safety current 50 or 60 Hz is appropriate. I would use a few volts.

The UL leakage current measurement method uses a Low Pass filter to simulate the characteristics of human leakage current.
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