Capabilities:

• Photometric accuracy in the VIS range

Product specs:

• Optical densities: 0.04au, 0.2au, 0.3au, 0.5au, 0.7au, 1.0au, 1.5au, 2.0au, 2.5au, 3.0au

• Expanded uncertainties: HF-0.04 (+/- 0.0019au), HF-0.2 (+/- 0.0022au), HF-0.3 (+/- 0.0020au), HF-0.5 (+/- 0.0022au), HF-0.7 (+/- 0.0023au), HF-1.0 (+/- 0.0023au), HF-1.5 (+/- 0.0054au), HF-2.0 (+/- 0.0055au), HF-2.5 (+/- 0.0090au), HF-3.0 (+/- 0.0181au), HF-4.0 (+/- 0.0110au)

• Wavelength range: 400-700nm. Standard validation points included on the certificate of calibration are 440, 465, 546.1, 590, 635nm.

• External dimensions: 12.5 x 12.5 x 45 mm

Benefits of using the HF Series Photometric Accuracy Filters:

• Firefly Unique Lifetime Warranty

• Highly accurate and consistent spectrophotometer calibration every time.

• Never has to be recalibrated if handled properly

• Scratch-resistant coating protects optical surfaces

• Can be used in any spectrophotometer (with standard 12.5 x 12.5 x 45 mm holder)

• Surpasses NIST-930e requirements and tolerances.

• Full NIST traceability and compatibility.

Included with HF Series Filters:

• Instructional manual

• Certificate of calibration with NIST traceability

• Photometric data tables are available for qualified customers. Please contact us for more information.

All of our calibration standards are proudly made in North America.