Photometric Standard Fuv-Srs 0.3au 45 mm , Each

Details:

Fuv-series (200-700nm) absorbance- 0.3Au (50%t)standard^ fuv-series (200-700nm) absorbance- 0.3Au (50%t)uv/vis photometric accuracy & stray light calibration standard, external dimensions: 12.5 X 12.5 X 45 mm, nist-traceable filter for validating photometric performance of a spectrophotometer.