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Old 10-15-2009, 11:54 PM #1
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Default Another multimeter question, don't laugh

OK I'm a little confused.
I was about to buy this sweet multimeter, a digital auto ranging meter with a temp probe. I can get it for $29 the temp probe sounds like fun.
Extech MN36, Autoranging Mini Multimeter (MN-36, MN 36)

This will be used for measuring mA from the a dummy load, from Flaminpyro.

In the specs, it looks like it will only read up to 200mA (400.0μA to 200.0mA)
I have a cheap walmart multimeter at home with a cracked LCD screen
It has settings for 200m up to 2000m.

Does this mean the one I want to get, would only give me readings up to just 200mA. Before it switches over to volts.
Thats not much. Especially with the 405nm 8X diodes becoming cheaper. Those can easily take more than 200mA.

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Last edited by rpaloalto; 10-16-2009 at 12:38 AM.
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Old 10-16-2009, 01:17 AM #2
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Default Re: Another multimeter question, don't laugh

Or do I have it backwards. Looking at the specs it looks like it wont register below 400mv
All I know is that according to the guide by Spyderz20x6.

Pro Tips w/ Spyderz20x6: Building your first DIY Laser!

If your using a Rckstr's drive you measure the mV off your dummy load. 1mV = 1mA.
So if this meter is only capable of reading 400mV and up. It wont be of any help.

Sorry, for asking all this I'm just very confused
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Old 10-16-2009, 01:41 AM #3
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Default Re: Another multimeter question, don't laugh

That meter can test up to 10 Amps from the data sheet...

An auto ranging DMM will only auto range on the setting you choose
it will not jump from Amps to Volts automatically....

On the 400mv scale it will read down to 000.1mv
it is a 3 1/2 digit DMM
Those ratings are Maximum Scale values...

Jerry
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