Best pocketable multimeter: Commercial Electric Pocket Size Auto Ranging Multimeter MMB-8332R: $59: Super-compact design, can also measure capacitance and frequency, integral electrical leads ...

Cen-Tech makes an even cheaper multimeter with no CT model number, but it’s Harbor Freight item ITEM 90899; it’s currently listed at $4.99 and I’ve seen it at $2.99 in the local store.

On any given day you can find a miniature multimeter in my pocket. These devices are the equivalent of a Leatherman for electronic enthusiasts. (The Leatherman would be in my other pocket.) Most ...