ADT 967 - Conversion Formula

Ultrasonic Sensor System
After the calibration process, still we need to convert ‘distance between sensor and current tape roll’
into ‘current tape left at the machine’. In order to do so, we at ADT developed a formula that convert
those 2 parameters.
Conversion Formula
Constants:
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Distance & [ ]
Variables:
Distance & [ ]
i
o
h Tape Roll Height mm
r Radius of Empty Tape Roll mm
r Radius of Current Tape Roll mm
C Between Sensor Empty Tape Roll mm
X Between Sensor Current Tape Roll mm
L Current Tape Left a
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 [ ],t t he machine mm function of X