You can buy these with a calibration certificate for like $70, but I skipped the cert. Should be the same quality, cost me $16. I chose the version with the superior units of measurement.

  • ramenshaman@lemmy.worldOP
    3·
    8 days ago

    I used to work in the alignments department at an aerospace company and we used something called a laser tracker made by Faro. It could measure down to ten-thousandths (0.0001) of an inch in X, Y, and Z up to 60 feet away. It’s able to measure how much a 3 foot thick concrete floor flexes due to the gravitational pull of the moon.