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eRev. 1.08/15/2023
• Insert the tip into the XSA Fibrette Holder first, with the threaded end facing up.
Note: Only use the XSA Fibrette; do not attempt to detach a Fibrette Optical Component that is already connected
to a Flow Cell.
8. Attach to the FlowVPX Head.
• Insert the assembled Fibrette and XSA unit into the FlowVPX Head as shown on screen.
• Ensure that the electrical components on the top of the XSA unit and the bottom of the FlowVPX Head line up with
each other.
9. Tighten the VPX Attachment screws on the XSA unit.
• Using a 4 mm hex driver, tighten the screws on the System Suitability Adapter to the FlowVPX Head.
10. Affix the Beams FX connector nut by aligning and tightening on the threaded end of the Fibrette Optical Component (see
Figure 44).
• Use the 12 in-lbs torque wrench to ensure the nut is fully tightened.
• Tighten with the torque wrench until there is an audible click.
11. ViPER detects the XSA unit.
• Click Continue when “XSA detected successfully” appears on screen.
• If not detected, the software will guide you to repeat the previous steps.
12. Load the FlowVPX Detector into the Detector Validation Adapter (DVA) unit. Ensure that the Detector Connector is facing
out.
13. Insert the reference standard into the sample vessel included with the DVA. Fill the vessel at least two-thirds full.
• Select the appropriate reference standard from the list and enter the required information (see Figure 53).
• If the reference standard is unknown, complete the Unknown Standard fields.
14. Load the filled sample vessel into the DVA unit.
• Place the loaded sample into the vessel holder.
• Take the vessel holder and place it on the DVA unit.
15. Place the assembly into the DVA unit.
• Carefully place the FlowVPX Head assembled with the loaded System Suitability Adapter on the Detector
Validation Adapter.
16. Affix the XSA unit to the DVA unit.
• Tighten the two thumbscrews using a 5 mm screwdriver to securely attach the FlowVPX Head to the Detector
Validation Adapter.
17. Wait while ViPER searches for the Zero Position.
• If the Zero Position is successfully found, click Continue.
• If the Zero Position is not located, retry the search.
18. Place the Beams Source on top of the tightened Beams FX connector nut and hand-tighten the locking ring at the base of
the Beams Source.
19. Connect the yellow end of the Beams source cable to the labeled position on the Beams controller.
• A Quick Check will be performed after this step.
20. Please wait while a Quick Check is performed.
• ViPER will display the % Transmission as well as the Pass/Fail result.
• If the Quick Check fails, the user has the option to retry until a successful %Transmission is read.
21. Once the check is complete, click Continue.
22. Please wait while ViPER runs the reference material.
• If a Success message is displayed, it will show the resulting tolerance and slope.
• If a Retry message is displayed:
o The software will prompt the user to perform best practice procedures to correct the error.
o After three failed attempts, the user must change the sample.
23. Click Continue.
CAUTION: Do not power off or remove any parts of the instruments.
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