Gunner Asch fired this volley in
:

Those meters worked well enough for that with no issues noted.

Uh, huh! And a LOT cheaper than driving to their site, both for you AND
them.

Besides that, it gives the customer a sort of "ownership" of the problem,
when they can help trouble-shoot it. That goes a long way toward cementing
personal relationships with your customers. They KNOW they saved a bunch
by doing it, and it makes them feel pretty good about it.

LLoyd