ACQUITY PDA/TUV drift test failing - WKB82931

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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

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

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

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, UPARPPDA, 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