Caliper gauges, micrometers and spherometers are used for the accurate measurement of lengths, thicknesses, diameters and curvatures. Measuring procedures, accuracy of measurement and reading accuracy are demonstrated.
Benefits
Foundation of every practical sciences lab course
Aquire the skills to measure basic mechanical variables
Realise the limits of measuring accuracy
Combine different measurements to determine a quantity of interest
Determine curvatures using the spherometer
Tasks
Determination of the volume of tubes with the caliper gauge.
Determination of the thickness of wires, cubes and plates with the micrometer.
Determination of the thickness of plates and the radius of curvature of watch glasses with the spherometer.