HunterLab ColorFlex EZ Citrus, Руководство пользователя

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ColorFlex EZ Citrus Citrus User’s Manual Version 2.0
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CHAPTER ONE
Introduction to the ColorFlex EZ Citrus System
The ColorFlex EZ Citrus spectrophotometer is a versatile color measurement instrument that
can be used to measure the color of fresh and concentrated orange, grapefruit and lemon juice.
Color is an indication of the quality and freshness of the product. The ColorFlex EZ Citrus
instrument provides Citrus score values, colorimetric and spectral data. This instrument can
also be used to measure the reflectance color of other products.
The instrument uses a xenon flash lamp to illuminate the sample. The light reflected from the
sample is then separated into its component wavelengths through a dispersion grating. The
relative intensities of the light at different wavelengths along the visible spectrum (400-700 nm)
are then analyzed to produce numeric results indicative of the color of the sample.
ColorFlex EZ Citrus is available with a 25.4 mm (1 in) viewing area and 45°/0° geometry. The
special port plate is designed specifically for use in a port-forward position with a special tube
holder to properly position sample tubes.
Accessories
The following accessories are included with the ColorFlex EZ Citrus:
•
Calibration tiles - A NIST traceable white calibrated tile is placed at the sample port
during standardization to set the top of scale. The Black Glass is placed at the sample
port during standardization to set the bottom of scale, and the Green Check Tile is
used to assess long-term instrument performance during the Diagnostic Green Tile
Test.
•
Certificate of traceability for the standard White Tile.
•
Tile data sheet - provides NIST-traceable calibrated values for the standard White
Tile and values read at factory for the Green Tile.
•
USB cable for connecting the ColorFlex EZ Citrus to a computer.
Figure 1. USB Cable
•
Standard 31.8 mm (1.25 in) open port insert used for the instrument diagnostic test
and measurement of flat, solid samples.
•
Sample clamp/port-forward stand - used to hold the instrument in the port-forward
orientation.
•
Orange juice tube holder - used to hold sample tubes (not included) at the
measurement port.