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ACQUITY PDA/TUV drift test failing - WKB82931

Article number: 82931

SYMPTOMS

  • Excessive drift (>10 mAU/Hr)
  • Lamp energy good
  • Noise good (<80uAU)
  • High-quality solvent used

ENVIRONMENT

  • ACQUITY UPLC Tunable UV Detector
  • ACQUITY UPLC PDA Detector
  • ACQUITY UPLC PDA eλ Detector
  • ACQUITY UPLC H-Class
  • ACQUITY UPLC I-Class
  • ACQUITY UPLC

CAUSE

Thermally managed optics not optimized for laboratory environment.

FIX or WORKAROUND

  1. Open the detector on the ACQUITY console.
  2. Set plot to 1 minute/monitor baseline.

clipboard_e0cf70d57c766ca019d98afc076feb843.png

  1. Select Configure > Preferences.
  2. Adjust temperature setting until AU is <0.0002.

clipboard_ecd6af7942a19c12ebc52452266ff0a1b.png

  1. Run Noise and Drift test.

ADDITIONAL INFORMATION

  • PDA/TUV Performance Maintenance Kit (201000273)
  • PDA Thermally managed detectors have the following Part Numbers: 186015032/033
  • TUV Thermally managed detectors have serial no. above A10TUV001N

id82931, A-30PDA, A-30UV, UPAPDA, UPARPTUV, UPBINARY, UPC2PDA, UPIBSM, UPIBSM+, UPISMFL, UPISMFL+, UPISMFTIVD, UPISMFTN, UPISMFTN+, UPPDA, UPPDAARC, UPPDAARCB, UPPDA-E, UPPDA-L, UPPDALTC, UPPDATC, UPPPDA, UPPTUV, UPQSM, UPQSM+, UPQSMBIO, UPQSMBIO+, UPSMFTN, UPSMFTN+, UPSMFTNB+, UPSMFTNBIO, UPTUV, UPTUVARC, UPTUVARCB, UPTUV-E, UPTUVTC

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