DESCRIZIONE
Fully automatic twist tester to be connected to a personal
computer for the control of the loading phase, the twist testing,
the change of the yarn length of the bobbin under test, the
processing of a complete series of statistical data and for the
printing of the related reports.
The instrument, unique for its high quality, can automatically
perform serial twist tests on a single package (max. 999 tests)
or, if connected to the Auto Cop Changer device code 299A,
it can perform multiple tests on up to 24 packages.
Suitable for all types of spun (ring and open-end) yarns and
synthetic filament yarns, both S and Z twist.
Technical features:
• Automatic testing either on one package or on 24 packages by
means of the Automatic Cop Changer, which guarantees high accuracy
and repeatability of results, also eliminating the human error.
• Three preselection test methods:
a) Traditional method: untwisting and retwisting on single yarns.
b) "Schutz" method: untwisting, retwisting and double
counter-check, automatically performed on O.E. spun and
combed wool yarns.
c) Direct method: untwisting for single yarns and multi-filament
yarns.
• Twist testing on certain yarn lengths at preset intervals.
• Statistical results: mean value, minimum value, maximum
value, C.V.%, range, standard deviation and alpha coefficient.
• Twist results available either in rotations per metre (RPM) or
rotations per inch.
• Distance between clamps is fixed at 50 cm.
• PC connection through RS232C serial output.