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Agilent InfinityLab LC Series Diode Array Detectors User Manual
139
8
Test Functions and Calibration
ASTM Drift and Noise Test
Test Failed
ASTM Noise Test Evaluation
Probable cause
Suggested actions
1
Insufficient lamp warm-up time.
Allow detector and UV-lamp turned on for at least
2 hours.
2
Absorbing solvent or air bubble in flow cell.
Ensure the flow cell is filled with water, and free
from air bubbles.
3
Dirty or contaminated flow cell.
•
Flush flow cell.
•
Clean the flow cell as described in
4
Old UV-lamp.
Exchange the UV-lamp.
5
Environment not according to specifications. Improve environment.