The calibration lab at ACL, known as General Construction Lab Calibration, has been serving varied industries with dimensional calibration services. It is a leading, full-service calibration lab with the credentials and services to assure your measuring hand tools and instruments measure precisely and efficiently. Our dimensional calibration services include tool calibration for a variety of measuring hand tools, from calipers and stop watches to angle plates and irons. Dimensional calibration is done by comparing the performance output of a hand tool, gauge or another measuring instrument with a measurement standard to confirm that the device produces results which either meet or exceed that standard’s criteria. The details of these results are clearly reported on your Calibration Certificate, along with “as found.