Atomizer Ohm Meter

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State O' Flux

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It breaks down into multiple categories:

Chip precision.
Materials quality.
Build quality.
Profit margin.

  • If accurate measurement of deep sub-ohm resistance is your intent, then ignore price, and start looking at precision and accuracy levels.
  • The number count to the right of the decimal point is not an indication of accuracy. A 4 digit reading that's off by 0.1Ω is still completely useless when you're building a 0.2Ω atty.
  • The better chips tend to come in boxes made with better materials and build quality.
  • Some vendors are greedy... not much else to say here.
 

State O' Flux

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So what would be a good, precision chip?
The boxes from USA Ohm Meters are pretty good. They use China chips... but built to specification and assembled in the US. Fair pricing and good after-sale customer support.

Back when they were still Sunny vaping, I bought several as Christmas presents for friends. Before wrapping (wouldn't want to hand out crap X-mas presents ;-)), I tested them against a Fluke 88 with a Tech-Thing "Half-Ohm" adapter and a loaner Extech 4-wire milliohm meter.

The 'worst' one, which I kept for myself, varied 0.03Ω+/- max from my reference... the rest varied no more than 0.02Ω+/-.
 
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