Products > Test Equipment

Decent benchtop multimeter for beginner?

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robert.rozee:

--- Quote from: KungFuJosh on August 18, 2024, 02:31:29 pm ---I attached a photo from the aliexpress listing for the ref I have [...]
--- End quote ---

 :palm:

nctnico:
I'm wondering how they measured the resistors on that board so accurately...  :-DD But they don't look like low tempco, low drift resistors anyway. Also, the AD584 isn't the best reference out there. There are so many better choices.

KungFuJosh:
Make fun all you want, it's pretty damn good for $20.  :-DD

Aldo22:

--- Quote from: KungFuJosh on August 18, 2024, 02:37:22 pm ---Make fun all you want, it's pretty damn good for $20.  :-DD

--- End quote ---

I ordered something similar for CHF 6.
Apparently it uses an AD584L which is supposed to be reasonably accurate (+- 5mV @ 10V).

According to the pictures in the comments, it's measured with a 34401A.


Let's see, I don't have it yet.
For this price you can give it a try.
It's just for fun, I only have an AN870.

bdunham7:

--- Quote from: KungFuJosh on August 18, 2024, 02:31:29 pm ---I have the ref warming up now, I'll turn on the meter soon and do the cold start test.

--- End quote ---

The TC of that reference is probably not great, so keeping it at a constant temperature is more important than a long warmup.  It's still an experiment worth doing, as well as the inverse with a stabilized meter.  How good is the temperature stability of your lab/room/bench?

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