3 ms·

I suspect both! I should compare a $250 one with the $20 one

• pstuart 8y ago
  That would be a worthy HN post.
  • illegalsmile 8y ago
    Is that something HN is interested in? I do work and research with remote environmental monitoring stations and am always comparing sensors. Currently doing a precipitation gauge intercomparison study.
    • pstuart 8y ago
      I can only speak for myself and what I've seen discussed here over the years -- yes, it would be interesting. Why is better stuff is more expensive, how to make the cheap stuff work closer to the better stuff, and interesting findings from actually using them. Lessons learned are always interesting...
    • plmpsu 8y ago
      Very interesting.
    • aurbano 8y ago
      Please do! I just bought a couple of cheap co2 sensors on Amazon (2k positive reviews) only to find out that they may not be accurate. It would be amazing if you or anyone really could make a comparison between different models - and show whether the cheap ones on amazon and the likes are worth it.