Doug,
I've been quite happy with a B+K 2704B I got a few years ago for about
$50; a quick Google search for 2704B shows they're now $60.
In addition to the usual current, voltage, and resistance it can measure
transistors (if you want to match them, though it doesn't do frequency
response), frequency to 15 MHz and capacitors from 1pF to 20uF. The
capacitor function is particular useful for kit building, since
capacitor labels are sometimes small or hard to understand. Bigger
capacitors that are big enough that you can read the label, hi hi. It
won't matter for a K3.
If you want a step up from Sears and Radio Shack, visit
http://wwwCircuitSpecialists.com
Circuit Specialists doesn't list BK meters at this time, but their CSI65
at $35 looks similar, and is $25 cheaper than the B+K's
http://www.circuitspecialists.com/prod.itml/icOid/4631
Sometimes for peaking a DMM with a bar graph or a real meter
(D'Arsonoval) is better, but the bar graphs can be slow and the cheap
modern analog meters often load down the circuit too much (not high
enough input impedance).
Leigh/WA5ZNU
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