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eRev. 1.08/15/2023
13.2.1 Running a Different Sample (Using a Beams Light Source)
In order to run a different sample, follow the on-screen prompts.
Change Sample: The screen will display the following text: Do you want to run a different sample or unload the XSA?
1. Remove the Detector Cable by unscrewing it from the Detector connector.
2. Remove the Beams light source from the FlowVPX Head by unscrewing it from the Beams FX connector nut.
3. Unscrew both of the VPX attachment screws on the XSA unit from the DVA unit.
4. Remove the XSA unit from the DVA unit.
5. Either use a new sample vessel or thoroughly clean the used sample vessel before inserting the new sample into the vessel.
6. Load the sample vessel into the DVA unit.
7. Place the FlowVPX Head and XSA assembly into the DVA.
8. Screw and tighten the XSA unit to the DVA unit using the two attachment screws.
9. Wait while ViPER searches for the Zero Position before moving onto the next step.
10. Place the Beams Source on top of the tightened Beams FX connector nut and hand-tighten the screw at the base of the
Beams Source.
11. Connect the Detector Cable to the Detector Port on the Detector.
12. Wait until the transmission check is performed before moving onto the next step.
13. Wait until ViPER runs the reference material before proceeding to the next instruction.
13.2.2 Unloading the XSA Unit (Using a Beams Light Source)
Unload the XSA unit: In order to remove the sample and unload the XSA unit, follow the on-screen prompts:
1. Disconnect the Detector Cable from the Detector.
2. Remove the Beams Source from the FlowVPX head by unscrewing it from the Beams FX connector nut.
3. Unscrew the attachment screws on the XSA unit to detach the XSA from the DVA unit.
4. Remove the XSA unit from the DVA unit.
5. Remove the Detector from the DVA unit.
6. Unload the sample vessel and vessel holder.
7. Remove the Beams FX connector nut from the Fibrette.
8. Remove the XSA unit, along with the Fibrette, from the FlowVPX Head.
9. Remove the Fibrette from the XSA unit.
10. Click OK once unloading is complete.
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