4 ms·
> the manual stadiometers were always giving inaccurate readings An amazing feat, considering that the mechanical ones I've seen consist of a horizontal bracke
by ableal 13y ago
> the manual stadiometers were always giving inaccurate readings
An amazing feat, considering that the mechanical ones I've seen consist of a horizontal bracket that slides on the vertical scale attached to a wall (or a stand), and one just needs to read the number shown when the bracket touches the top of the head.
And it's not like that data needs micrometer precision ...
- DanBC 13y agoThat struck me too. All the errors I can think of from the manual devices would happen with the electronic devices. (People not standing straight, people with big hair, etc etc.) While you don't need micrometre precision a person's hight (and weight, and thus BMI) can be used as part of the process that deprives them of their liberty and subjects them to forced feeding against their will via NG tube. So accuracy is probably a reasonable requirement.
- gusfoo 13y ago> And it's not like that data needs micrometer precision ... But maybe that's the point. Maybe it does need very high precision and that is the unappreciated point of the story.
- analog31 13y agoPerhaps the digital stadiometer eliminates service calls simply by giving a stable reading that you can write down whether it's accurate or not. This is a psychological advantage of digital readouts, but one that is not lost on the makers of measurement instruments.