Our mechanical department needs a "home" indicator that allows repeatable alignment to .001" automatically. I remember some optical devices using Moire patterns that were a lot better than that; but that was a long time ago.
Oh yes, we are fairly cheap (err.. inexpensivly...
I have a need for a flow meter that can measure water: 3nL/pulse, 1 pulse per second, so that the accumulated accuracy for 30nl is better than .3 nL.
Any suggestions? We are trying weighing with a pecision scale but the water keeps evaporating. I can control the evaporation, but would prefer...
