90 Cubis MSA User Manual
Calculation
3) Diameter determination
Purpose
This application is used to determine the diameter of round wires and
metal threads (cylindrical solid bodies). For example, for use in determining
the diameter of filaments. The density and length of the sample is required
for calculating the diameter.
Formulas and abbreviations
Definition: d = 2 3 ( W / (/ l Rho / 1000) )
with: d = diameter of sample in mm
3 = square root
W = weight value in grams
/ = PI = 3,145..
l = length of sample in mm, e.g. 100 mm
Rho = density of sample in g/cm
3
, e.g. 8,3 g/cm
3
Preparation (only required if you need to make changes)
Access the “Change” item from the Task menu and select the
“TASK-DIAMETER-DETERM” task downloaded to the SD card.
The “Calculation” application is set with the following parameters:
– Formula specifications: fixed
– Formula: 2 3 ( W / (/ X 8.3 / 1000) )
– Result identifier: d
– Number of decimal places: 3 digits
– Result unit: mm
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