Identify the application
Document the analytical method, instrument and sample preparation workflow. Use their published requirements to define acceptance criteria instead of relying on a single water-quality label.
Define the measurement points
Agree where quality will be measured, which parameters are relevant and how results will be recorded. Ask for supporting evidence for the proposed configuration.
Plan the whole installation
Include incoming water, workspace, dispensing access, expected usage and consumables. Compare the UV and UV/UF specifications above, including feed-water limits. Confirm compatibility and acceptance criteria for the selected configuration.