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104 Agilent 1260 Infinity VWD User Manual
8
Test Functions
Intensity Test
Intensity Test
The intensity test measures the intensity of the deuterium lamp over the
full VWD wavelength range (190 – 600 nm). The test can be used to
determine the performance of the lamp, and to check for dirty or
contaminated flow cell windows. When the test is started, the gain is set
to zero. To eliminate effects due to absorbing solvents, the test should be
done with water in the flow cell. The shape of the intensity spectrum is
primarily dependent on the lamp, grating, and diode characteristics.
Therefore, intensity spectra will differ slightly between instruments.
Figure 33 on page 105 shows a typical intensity test spectrum.
The Intensity Test is available in
• Agilent Lab Advisor (preferred)
•
Agilent ChemStation
•
Agilent Instant Pilot G4208A, via
More-Diagnosis-VWD-Lamp Intensity Test
Intensity Test Evaluation
The Agilent Lab Advisor and the Instant Pilot evaluate three values
automatically and display the limits for each value, the average, the
minimum and the maximum of all data points and
passed or failed for each
value.