Not a TriMetric, but for $20 might be worth trying out...
Bayite DC 6.5V-100V Digital ammeter voltmeter Amazon suggested this for me and I'm thinking for $20 I might just give it a try. Has very good reviews too.
Forum Discussion
The other day power went out to the entire city. I ended up drawing 242 amps according to the Magnum remote, so I think I do not need yet another meter.
