6 • Accessories Datacolor 650/600/400 User's Guide
• Transmission Sample Holder Base. Datacolor 650 users must install this
holder into the transmission chamber. For Datacolor 650V (vertical mount) units,
the sample holder base is installed at the factory.
• Transmission Sample Holders. Used to secure the transmission sample in the
chamber. One is used for liquids and the other for solid samples. Each has two
dowels on the bottom that fit into the holes on the transmission sample holder
base.
• Transmission Cell. Used as a container for liquid materials. It is placed into the
liquid sample holder.
• Medium Area View, Barium Coated Aperture Plate. The inside of this plate
has a barium coating around the opening. This aperture plate must be used for
all transmission measurements.
• Black Calibration Card. This is used instead of the black trap for the zero
calibration.
• Spectralon® (White) Plaque. This white standard must be used for
transmission calibration. In addition, it is placed at the port for most transmission
measurements. Consult the standard procedure (ASTM, ISO, etc.) you are
following to determine if this sample should be placed at the port.
Transmission Calibration
Standard