USTER
®
HVI SPECTRUM
Instruction Manual
Uster Technologies, Inc. Chapter 15
Glossary • Page 15-6
Lots — Groups of cotton bales are called "Lots".
Mat — Maturity appears as a report header.
Mean Length — The average length of the fibers in the sample.
Mic — The abbreviation for Micronaire that appears as a report
header.
Micronaire — A value associated with cotton fineness (fiber perimeter)
and maturity (cell wall thickness) by use of the airflow method.
Mix Mode — determines how bales are selected from the warehouse.
See also
Proportional Mixes
and
Centered Mixes
.
Modulus — The spring constant of a sample of fibers. The slope of a
straight line that is tangent to the stress-strain curve at a point halfway to
the force maximum of the curve.
Neppiness — The amount of Neps that are in the cotton.
Number of Categories — A maximum of 10 categories are allowed
for each fiber property. The number selected should reflect your
inventory, but not exceed the requirements because you do not want an
excessive number of categories in the warehouse.
Numeric — Only numbers can be used. In certain fields, a valid entry
must consist of numbers (no alphabetic characters are allowed).
Observations — The number of individual tests made on a sample.
During system testing, the values displayed, printed, and/or sent to a
host computer are averages of the number of observations made on the
sample.
On Line — The computer directly controls the equipment or devices
that respond to the user's commands. A printer must be on line before
printing can occur.
Optics — The LED light source, lens, photo detector, and electronics
system within the instrument.