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Waters

How to read the energy value of a 2489 or 2487 detector - WKB65958

Article number: 65958

OBJECTIVE or GOAL

Read the energy value of a 2489 or 2487 detector.

ENVIRONMENT

  • 2487 Dual-Wavelength Absorbance Detector
  • 2489 UV/Vis Detector

PROCEDURE

  1. Click the DIAG button when methanol flows through the flow cell.

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  1. Select “2 Sample & ref energy”.

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  1. Note the Sample and Ref energies.

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ADDITIONAL INFORMATION

There are no official recommended minimum energy levels. The requirement is to be able to pass start-up diagnostics when powered on and pass the wavelength verification as noted in the PM protocol.

Sample energy should be at least 70% of Reference energy.

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