150 Agilent 1200 Infinity Series DAD User Manual
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
“Cleaning of Max-Light Cartridge Cell” on
page 178.
4 Old UV-lamp.
Exchange the UV-lamp.
5 Environment not according to
specifications.
Improve environment.
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