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Sample Modules
Universal Liquid Module
Figure 6.43 Miscibility Guide
Cleaning the ULM
It is important for all glass surfaces in your sample system to be clean, as dusty or coated optical
surfaces can cause erroneous results. Some samples or suspension fluids may coat the inside of the
sample cell windows. If the instrument is in a dusty or smoky environment or if vapors are present,
the lenses and outer surfaces of the windows may become coated. Check the optical surfaces for
cleanliness at least every three months, and clean if needed. Depending on the environment,
cleaning may be required more frequently.
Cleaning Fluids
Beckman Coulter recommends using the cleaning solution supplied with the module for cleaning
the inner surfaces of the ULM sample system. Beckman Coulter recommends lens cleaning paper
for cleaning the exterior surfaces of the lenses and sample cell windows.
6-78
PN B05577AC
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Troubleshooting
