Popular glass filter sets for checking the spectrophotometer

Article-No. Application Content certified wavelengths in nm
666S000 Checking the photometric and wavelength accuracy F1, Holmium glass filter
Neutral density glass filters:
F2 (0.25 Abs)
F3 (0.5 Abs)
F4 (1.0 Abs)
F0, empty frame		 W: 279, 361, 453, 536, 638
A: 440, 465, 546.1, 590, 635
666S002 Checking the photometric accuracy Neutral density glass filters:
F2 (0.25 Abs)
F3 (0.5 Abs)
F4 (1.0 Abs)		 A: 440, 465, 546.1, 590, 635
666S004 Checking the photometric accuracy Neutral density glass filters:
F201 (0.3 Abs)
F202 (1.5 Abs)
F203 (2.0 Abs)
[corresponds to NIST SRM 1930]		 A: 440, 465, 546.1, 590, 635
666S005 Checking the photometric and wavelength accuracy F1, Holmium glass filter
Neutral density glass filters:
F3 (0.5 Abs)
F4 (1.0 Abs)
F0, empty frame		 W: 279, 361, 453, 536, 638
A: 440, 465, 546.1, 590, 635
666S006 Checking the photometric accuracy Neutral density glass filters:
F2 (0.25 Abs)
F3 (0.5 Abs)
F4 (1.0 Abs)
F0, empty frame		 A: 440, 465, 546.1, 590, 635
666S010 Checking the photometric and wavelength accuracy F1, Holmium glass filter
Neutral density glass filters:
F2 (0.25 Abs)
F3 (0.5 Abs)
F4 (1.0 Abs)
F390 (0.04 Abs), reference filter		 W: 279, 361, 453, 536, 638
A: 440, 465, 546.1, 590, 635
666S200 Checking the photometric accuracy Neutral density glass filters:
F2 (0.25 Abs)
F4 (1.0 Abs)
F203 (2.0 Abs)		 A: 440, 465, 546.1, 590, 635
666S300 Checking the photometric accuracy Neutral density glass filters:
F390 (0.04 Abs)
F301 (2.5 Abs)
F303 (3.0 Abs)
[corresponds to NIST SRM 2930]		 A: 440, 465, 546.1, 590, 635

A: Wavelengths for photometric accuracy (absorbance)
W: Wavelengths for wavelength accuracy


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