Diode Array Detector (Dad); Overview Of Maintenance - Agilent Technologies 1220 Infinity II LC User Manual

11
Maintenance and Repair

Diode Array Detector (DAD)

Diode Array Detector (DAD)

Overview of Maintenance

The following pages describe maintenance (simple repairs) of the detector that
can be carried out without opening the main cover.
Table 47 Overview of Maintenance
Procedure
Cleaning of module
Deuterium lamp or
tungsten lamp
exchange
Flow cell exchange
Flow cell parts
Cleaning or exchange
Holmium oxide filter
Cleaning or exchange
Leak sensor drying
Leak handling System
replacement
302
Typical Frequency
If required.
If noise and/or drift exceeds your application limits or
lamp does not ignite.
If application requires a different flow cell type.
If leaking or if intensity drops due to contaminated
flow cell windows.
If contaminated.
If leak has occurred.
If broken or corroded.
Notes
An intensity test should be performed
after replacement.
A holmium or wavelength calibration
test should be performed after
replacement.
A pressure tightness test should be
done after repair.
A holmium or wavelength calibration
test should be performed after
replacement.
Check for leaks.
Check for leaks.
1220 Infinity II LC System User Manual