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NIST 2031 Compliant UV-VIS Photometric Accuracy Kit (10%, 30%, 90%) 

$2899.00 / Kit
Add to Favorites ( Item Number NIST 2031a FUV Kit )

Are you spending thousands of dollars recalibrating your calibration standards?  Do you want to stop?

How does an extra $2,000 a year sound to you? 
Well if you are like most, you are needlessly spending this money on re-calibrating your NIST SRM 2031a metal-on-quartz filters. 

How does three extra months of research time sound?  By buying Precision Cells' 2031b kit you will save the long lead times that come with re-calibration.

11 Reasons Why You Need to Buy Precision Cells' 2031b Calibration Standards Now

  1. You save $2,000 per year in re-calibration fees.
  2. You save 3 months of research time due to having your standards in your lab at all times.
  3. You save time in having to research which 2031b kit is the best.
  4. You save having to worry about the accuracy of your calibration filters degrading.
  5. You save long lead times, because Precision Cells' always has these filters in stock.
  6. You save your peace of mind knowing that you receive a Lifetime Warranty with each 2031b kit Precision Cells' sells.
  7. You save by having the power to test at any wavelength from 200-700nm (ex. 241nm, 704 nm etc.)
  8. You save by getting the most stable calibration standards (see chart below)
  9. You save by getting the best tolerances.
  10. You save by having the convenience of buying right from this page.

This kits includes the following filters. 

Product Specs:
  • Optical densities: 0.04au (90%), 0.5au (30%), 1.0au (10%)
  • Wavelength Range:  200-700 nm (this kit can be used for any wavelength within this range)
  • Tolerances: FUV-0.04 (+/-0.0019 au); FUV-0.5 (+/- 0.0039au); FUV-1 (+/- 0.0042au)
  • Wavelength range: 200-700nm. Standard peaks included on certificate of calibration are 250, 280, 340, 360, 400, 465, 500, 546.1, 590, 635nm. Precision Cells' can provide alternative peaks in the 200-700nm range upon request.
  • External Dimensions: 12.5 x 12.5 x 45 mm


  • Photometric accuracy in the UV and VIS range
  • Stray light performance in the UV and VIS range (Note: FUV-0.04 cannot be used for stray light)
The FUV Kit 6 Replaces the majority of liquid and solid-state photometric kits:

  • Potassium Dichromate
  • VIS Neutral Density Filters
  • Nicotinic Acid

Included with FUV Kit 6:

  • Instruction manual
  • Certificates of calibration with NIST traceability
  • Photometric data tables are available for qualified customers. Please contact us for more information.

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