Classification
Manufacturer
EClass
not containing the term:
Hellma 

Secondary standards for calibrating spectrophotometers

To maintain constant good measurement results, a regular review of the accuracy of the spectrophotometer is required. With the use of certified reference materials from Hellma Analytics, you make sure that your equipment qualifications meet the requirements of the pharmacopoeias and fulfill your internal quality requirements, at the same time you reach the international comparability of your measurement results. The certified reference materials (calibration standards) of the DIN EN ISO 17025 accredited Hellma Analytics calibration laboratory are traceable to the primary standards of NIST (National Institute of Standards and Technology) and meet the requirements of the major pharmacopoeias (e.g. EP, DAB, USP).
Your benefits:
  • High quality of the measurement results
  • International comparability of measurement results
  • Meeting the requirements of the major pharmacopoeias (EP, DAB, USP)
  • Results traceable to NIST primary standards
  • 30 years warranty on the reference materials
Scope of delivery:
  • Certified reference materials (Calibration Standards) in quality storage box
  • DAkkS Calibration Certificate (DIN 17025)
  • Handling guidelines
Check the wavelength accuracy
Secondary standards for calibrating spectrophotometers





Secondary standards for calibrating spectrophotometers
TypeDescriptionWave-
length
nm
PKCat. No. 
667-UV5Liquid filter UV5, Holmium oxide in Perchloric acid240 - 65016227666
667-UV25EPUSPLiquid filter UV25, Didymium in Perchloric acid329 - 86414670729
667-UV35Liquid filter UV35, Rare Earth in Perchloric acid201 - 25214670730
667-UV45Liquid filter UV45, Holmium oxide and Didymium in Perchloric Acid240 - 87016286793
666-F1Glass filter F1, Holmium oxide279 - 63816201067
666-F7WGlass filter F7, Didymium329 - 87516286794