On Sat, 30 Jun 2007 19:14:04 +0100, Harry Bloomfield
wrote:

As others have suggested - a cheap and cheerful digital meter with a 10
or 20 Mohm range plus a couple of (very) sharp probes fixed into
something to keep them a set distance apart and make them easier to
use.

Great idea. I have one of those already. Thanks to all who suggested
it. Actually, I may have to buy one.... one of the leads has pulled
out of one of the probes on mine, and it doesn't look repairable.

Mike D