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HF Series: VIS Photometric Accuracy Calibration Standards 

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Welcome to the home of Precision Cells' solid-state UV-VIS Spectrophotometer Calibration Standards. The world's only standards that NEVER need recalibration.

All PC calibration standards are NIST traceable and NIST compliant. Performance of all Precision Cells reference calibration standards, including but not limited to this standard, meet or exceed NIST requirements.

Unless recalibrations on a periodic basis are required by QA procedures of a customerís organization, all Precision Cells solid-state calibration standards do not need to be re-calibrated due to materiaI aging.

Where required, Precision Cells will provide periodic re-calibrations. Contact us for more information.
HF neutral density solid-state filter series tests photometric accuracy in the VIS range.

  • 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 (+/- 0.0042au), HF-1.5 (+/- 0.0054au), HF-2.0 (+/- 0.0055au), HF-2.5 (+/- 0.0090au), HF-3.0 (+/- 0.0181au)
  • Wavelength range: 400-700nm. Standards peaks included on 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:

  • PC Unique Lifetime Warranty
  • Highly accurate and consistent spectrophotometer calibration every time.
  • Never has to be replaced.
  • Never has to be recalibrated if used 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.
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P/N Description Unit of Measure (UOM) Price Quantity  
HF-0.04 HF-0.04 (90%T) each $699.00
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HF-0.2 HF-0.2 (60%T) each $699.00
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HF-0.3 HF-0.3 (50%T) each $699.00
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HF-0.5 HF-0.5 (30%T) each $699.00
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HF-0.7 HF-0.7 (20%T) each $699.00
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HF-1.0 HF-1.0 (10%T) each $699.00
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HF-1.5 HF-1.5 (3%T) each $699.00
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HF-2.0 HF-2.0 (1%T) each $699.00
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HF-2.5 HF-2.5 (0.3%T) each $699.00
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HF-3.0 HF-3.0 (0.1%T) Each $699.00
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  Average Customer Rating 5 / 5

Product Comments & Ratings

by Franco Giglifiore

We are a calibration lab and purchased the HF filter to recalibrate our customers' spectrophotometers. The filter works great and save us a lot of time. The fact that it is a solid state filter is a definitive plus. we also got the FUV and WAV filters which give us the capability for a wider spectral range and the ability to test wavelength accuracy.

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