Datacolor 800, 850, 500, and 550 Series User’s Guide 26
4. When you are prompted by the program, block the lens using the black card:
5. When the measurement is completed, remove the black card from the transmission
compartment.
6. Place the white Spectralon® plaque at the sample port, and make the next
measurement.
NOTES
The white Spectralon® plaque remains at the port for “Regular” and “Total” Transmittance
measurements, and is replaced with the black trap for “Diffuse” Transmittance measurements.
See also
Transmittance Measurements
.