On 08/11/2017 07:53 PM, wrote:

[snip]

No I don't - but with a high impedence (digital) voltmeter

There are high impedance analog meters. I have used one in college.
[snip]

--
Mark Lloyd
http://notstupid.us/

Power corrupts; Absolute power corrupts absolutely; God is all-powerful.
Draw your own conclusions