Variable Wavelength Detector (Vwd); Introduction - Agilent Technologies 1220 Infinity II LC User Manual

11
Maintenance and Repair

Variable Wavelength Detector (VWD)

Variable Wavelength Detector (VWD)

Introduction

This section describes simple maintenance and repair procedures for the
detector that can be carried out without opening the main cover.
Table 46 Detector maintenance and repair
Procedure
Exchanging the deuterium
lamp
Exchanging the flow cell
Repairing the flow cell
Drying the leak sensor
290
Typical Frequency
If noise and/or drift exceeds your application
limits or lamp does not ignite.
If the application requires a different flow cell
type.
If leaking or if intensity drops due to
contaminated flow cell windows.
If leak has occurred.
Notes
A VWD test should be performed after
replacement.
A VWD test should be performed after
replacement.
A pressure tightness test should be
done after repair.
Check for leaks.
1220 Infinity II LC System User Manual