164 Agilent 1260 Infinity DAD and MWD User Manual
9 Test Functions
Filter Test
Filter Test
The filter test checks the correct operation of the filter assembly. When the
test is started, the holmium oxide filter is moved into position. During filter
movement, the absorbance signal is monitored. As the edge of the filter passes
through the light path, an absorbance maximum is seen. Once the filter is in
position, the absorbance maximum (of holmium oxide) is determined. Finally,
the filter is moved out of the light path. During movement, an additional
absorbance maximum is expected as the edge of the filter passes through the
light path. The test passes successfully, if the two maxima resulting from the
edge of the filter assembly (during filter movement) are seen, and the
absorbance maximum of holmium oxide is within the limits.
Figure 65 Filter Test Results (report)
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