USTER®
HVI 1000
Instruction Manual
Uster Technologies, Inc. Chapter 5
(3/08) Calibration - Page 5-1
Chapter 5 Calibration
1 Overview
All measuring modules MUST
be calibrated for initial startup. After
calibration, the modules should be calibrated again whenever
calibration standards are changed.
Operator calibration should be performed for any of the following
circumstances:
• According to a fixed schedule.
• When the system has been repaired.
• When instrument drifting is suspected.
These calibration procedures do not require the use of a tool and no
hardware adjustment is made to a specific electrical or mechanical
module.
Calibration cottons and the standard color tiles provided with the
instrument MUST
be used to calibrate and to check calibration.
Calibration cotton MUST be stored in a proper laboratory environment
because the moisture content of the cotton affects its length, strength,
and micronaire values. See Chapter 2, part 3 for details. Order
calibration cotton samples from:
Standards Preparation and
Distribution Section
Cotton Division, AMS
U.S. Department of Agriculture
3275 Appling Road
Memphis, TN 38133
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