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Just how good or bad can a $1.78 DT-830B multimeter from AliExpress be?

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james_s:
I've kept one of the free Harbor Freight meters in my car for years, it comes in handy every once in a while. They're fine for kids tinkering too, much better than anything I had access to when I was a kid, a digital meter like that probably would have cost $100 in the early 80s.

Grandchuck:
Hickok DMM, 1970, $395.00

J-R:
Of course these cost more than $1.78 to make and far more than that to ship; there is no free lunch.  The money comes from elsewhere.

Zenith:
Are they any worse than the Japanese 1000 Ohm per volt analogue multimeters sold in the late 60s? I'm sure many of us bought and loved those. I think they did have a proper wafer switch. Mine does but it's a deluxe 30,000 Ohm/V version. It does have a separate 1.2KV input. I've never tried it and never will. Proper people would have had an AVO or Simpson, and wouldn't be seen dead with such a thing.

I believe these DMMs do their switch thing by contacting lands on the circuit board. They are value engineered. Copper dust builds up and causes problems, such as BANG!!!. Low voltages, continuity and it's silly to expect much else for the price.



Zenith:

--- Quote from: J-R on March 05, 2023, 09:26:27 pm ---Of course these cost more than $1.78 to make and far more than that to ship; there is no free lunch.  The money comes from elsewhere.

--- End quote ---

The shipping comes from an international postal agreement which has gone on for years and which the Chinese take more than full advantage of. Of course it has to be paid for.

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