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Waters

Low sample energy on 2487 detector - WKB2756

Article number: 2756

SYMPTOMS

  • Sample energy is very low, but reference energy is good
  • Washing the flow cell in 6N Nitirc acid does not resolve issue

ENVIRONMENT

  • 2487 Dual Wavelength Absorbance Detector

CAUSE

Bubble in the flow cell.

FIX or WORKAROUND

  1. Flush unit in 100% methanol at 1 mL/min for 30 minutes.
  2. If flushing with 100% methanol does not work, replace the flow cell

ADDITIONAL INFORMATION

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