Calibrated set of Diffuse Reflectance Materials has four calibrated diffuse color disks: red, green, blue, and yellow standard, and four neutral disks with reflectance factors of 99%, 75%, 50%, and 2%. All disks are 2 inches in diameter. Qty. 8
LAMBDA HIGH-PERFORMANCE UV/VIS-NIR CALIBRATED DIFFUSE REFLECTANCE STANDARD, WHITE 22 CALIBRATED DIFFUSE WHITE HIGH-PERFORMANCE PTFE REFLECTANCE STANDARD, HIGH PERFORMANCE. 2502500 NM. IDEAL FOR USE WITH 100 / 150 MM SPHERES.
set of Diffuse Reflectance Materials has four calibrated diffuse color disks: orange, purple, cyan, and violet standard. All disks are 2 inches in diameter. Qty. 4