Calibration standard for NIR photometric accuracy (700-3000 nm). Optical density 1.5AU (3% transmiss


  • Optical density: 1.5AU / transmission 3%
  • Expanded uncertainty: +/- 0.0054AU
  • External dimensions 12.5 x 12.5 x 45.0mm

Advantages of Firefly Scientific's FNIR photometric accuracy filters:

  • Highly accurate and reproducible calibration of your spectrophotometer
  • Never need to be replaced
  • Never need recalibrating if handled and stored correctly
  • Scratch-resistant coating protects optical surfaces
  • Can be used in any spectrophotometer (with standard 12.5 x 12.5 x 45.0mm holder)
  • Correspond to or surpass NIST SRM 2031B requirements and tolerances
  • NIST-traceable and compliant
Pictures shown are for illustration purposes only and may vary from the actual product in shape, colour and design
Product no.:FF-FNIR-1.5
1,671.00 €*


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Browse this category: Photometric accuracy - NIR, 700-3000 nm