On Sun, 16 Jul 2017 15:46:36 -0400, oldschool wrote:

Ok, I guess you have meters that I've never seen.

You've never seen any AVO/Megger meters?? Like this for example:

http://www.ebay.co.uk/itm/Bakelite-A...ter-Excellent-
Condition-100-Tested-/152599935777?hash=item2387aa3b21:g:1csAAOSw241YZTX 1

They've been exported all over the world for decades!

They typically use one 15V battery (about the size of a AA cell) and a
single 1.5V D cell.