ALTANA Haze-Gard Dual - Manual (Page 10)

9
English
2.1 System Description
Please read the instruction
manual before placing the
instrument in service and
observe the safety
instructions.
The haze-gard dual is a stationary
instrument designed to measure the
appearance of glass and films,
packaging, and other parts made of
plastic and other transparent mate-
rials. The specimen surface is illu-
minated perpendicularly and the
transmitted light is measured photo-
electronically using an integrating
sphere (0°/diffuse geometry). The
spectral sensitivity conforms to the
CIE standard spectral value under
standard lamp D65.
The two parameters:
• total transmittance
• haze
enable the full and objective charac-
terization of visual appearance.
It is possible to switch between two
different international standardized
methods using this device:
• Compensated (ISO 13468 and
14782)
• Uncompensated (ASTM D1003)
With the uncompensated method,
the surface reflection on the speci-
men is included in the measurement
result whereas with compensated
measurement, the value is indepen-
dent of the specimen reflectance
properties (see Chapter 11, Para-
meters).
The haze-gard dual sets new stan-
dards in transparency measurement
instruments. Apart from its speed
and ease of operation, it also offers
the following features:
• High accuracy and reliability
thanks to reference-beam optics
• Long-term calibration and self-
diagnosis
• Open specimen area for the
measurement of small and large
products
• Automatic calibration and menu-
driven operation
• Closed optics and electronics
• Ready to operate; no lengthy
warm-up needed
• Foot switch
• Internal statistics functions
• Memory to store readings, PC
interface, printer outlet
1 Safety Infromation