Where did you get a cheap meter and what do you consider cheap :D? | Hacker News

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sputr on April 28, 2021 | parent | context | favorite | on: The health benefits of better air

Where did you get a cheap meter and what do you consider cheap :D?

tda on April 29, 2021 [–]

It's a pms5003 which I bought for €12 from aliexpress

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