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Waters

Small peak area on 2489 UV detector due to inaccurate wavelength - WKB224616

Article number: 224616

SYMPTOMS

  • Reproducibility OK
  • Injection volume confirmed accurate using weighing method
  • The 2489 power-on self-test passes
  • The light path energy OK
  • The area of all peaks is 20% smaller

ENVIRONMENT

  • 2489 UV Detector

CAUSE

The wavelength of the 2489 UV detector is inaccurate with a deviation of 0.9 nm.

FIX or WORKAROUND

Restart the 2489 and press Shift+3 to manually calibrate.

ADDITIONAL INFORMATION

 

id224616, 2489, 2489B, 2489SFC, A-10UV

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