Low sensitivity with ACQUITY UV Detector - WKB25780
Article number: 25780
SYMPTOMS
- Sensitivity lower than expected
- Detector energy as expected
- Needle seal readiness test passes
- Sample syringe leak test fails
ENVIRONMENT
- ACQUITY H-Class
- ACQUITY I-Class
- Sample Manager FTN
- Sample Manager FTN-R
- ACQUITY Arc SM FTN-R
CAUSE
Air bubbles in the sample syringe
FIX or WORKAROUND
- Perform an accurate purge of the sample manager:
At least 90 seconds of wash and 40 cycles of syringe. - Verify with injections that sensitivity is back to normal value.
ADDITIONAL INFORMATION
id25780, UPARBSMFTN, UPARPFTN, UPARSMFTN, UPIBSM, UPIBSM+, UPISMFL, UPISMFL+, UPISMFTIVD, UPISMFTN, UPISMFTN+, UPQSM, UPQSM+, UPQSMBIO, UPQSMBIO+, UPSMFTN, UPSMFTN+, UPSMFTNB+, UPSMFTNBIO