What's a good millimeter to buy?

[sittinguphigh]

Looking to buy a multimeter. What's will do the job.
Check my battery 12v 40 amps.
All things to do with DLA hardware and RGB led strings.

[njKeever]

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l bought mine from circuit specialists when I got my soldering station. I've been very pleased with both, and you can't beat the price!

 

[jnealand]

Even the cheapies or the occasional free one from Harbor Freight will do the job.

[rm357]

I have a real nice multimeter that I use for critical stuff, but I also have a couple of $3 cheapies that I picked up on sale that stay on the workbench while the nice one is usually in the portable tool kit.

[n1ist]

Very few multimeters will go to 40A; most max out at 10A.  For higher, you will need a current shunt. 

If you are only working on low voltage stuff (under 50V) the cheapies are fine.  For measuring over 50V, I would only use a CAT-II or CAT-III rated meter; I don't trust the cheapies' insulation or protection at higher voltages.

/mike