Reference Guage [1]
A gauge of known accuracy used as a standard against which other gauges may be calibrated.
See also PEI/RP300 [2].
A gauge of known accuracy used as a standard against which other gauges may be calibrated.
See also PEI/RP300 [2].
Links
[1] https://testing.pei.org/wiki/reference-guage
[2] https://testing.pei.org/node/349