The Reflectance Standards are made from OP.DI.MA. which stands for Optically Diffuse Material.They are supplied in a housing with top cover to protect the reflectance surface during storage and transportation. Optionally, a calibration can be ordered.
Different sizes are offered:
BN-Rxx-D2, 2" (50.8 mm) diameter disc without calibration1 BN-Rxx-SQ2, 2 x 2" plate without calibration1 BN-Rxx-SQ5, 5 x 5" plate without calibration1 BN-Rxx-SQ10, 10 x 10" plate without calibration1 BN-Rxx-SQ12, 12 x 12" plate without calibration1 BN-Rxx-SQ18, 18 x 18" plate² without calibration1
1 Add -C to the model for calibration of the 8° hemispherical reflectance from 250 to 2500 nm. ² The reflectance plate is build by two halfs. xx = reflectance.