C
As many of you are aware we are just beginning in our adventure to become an A2LA lab. In working towards the goal of establishing the uncertainty for our measurements we are starting with a 6 in caliper (mm measurements) and pin gauges. My question is do we measure 10 times over the length of the calibrate range of the calipers? We use gage blocks and stack them 250 mm until we get the range of the caliper. For pins do we measure 3 places, top middle and bottom 10 times to establish the standard deviation? I am just looking for a reasonable way to do the uncertainty measurements.