5 ms·
Yes, and these cheap devices sadly don't have accuracy description. I would be OK to pay for it if some accuracy would be guaranteed, but writing that it's cal
by xiphias 10y ago
Yes, and these cheap devices sadly don't have accuracy description. I would be OK to pay for it if some accuracy would be guaranteed, but writing that it's calibrated and not specifying the maximal error looks always fishy.
- robryk 10y agoI would also be wary of how the accuracy declines over time. E.g. how does the device keep properly sized dust from staying or small scratches from developing on the surfaces that are involved in the measurement (e.g. lenses and mirrors for optical devices)?