Buchi DuMaster D-480 User Manual download pdf (Page 302)

Operation Manual D-480 ©BÜCH Labortechnik AG

10 - Menu and dialog descriptions 302

Commands for the maintenance of the liquid sampler VLS

The commands as well as the procedures for the maintenance of the liquid sampler are described in

the VLS operating instructions.

Leak test (Dialog)

Function

This dialog is used to perform a leak test and the leak search:

 In the display window the tubing diagram of the analysis system is shown. Depending on the

currently performed leak test stage, the appearance of the tubing diagram may vary.

 If there are certain tasks to be performed during the leak test, they are displayed in the form of

colored numbers in the tubing diagram. By positioning the mouse pointer over these numbers a

particular window will pop up showing the task in detail.

 Below the diagram there is a field which will show information about the actions to be performed

during the certain test stages, e.g. which gas ways have to be closed etc.

 At the right edge of the dialog box there are the buttons for selection and/or execution of the

certain test stages.

Open

Open the dialog by selecting Options > Diagnostics > Rough leak test or Options > Diagnostics >

Fine leak test. First a dialog is displayed in which you must confirm that you want to perform a leak

test. The "Leak test: Complete instrument" dialog is displayed once you confirm.

Elements

The following describes the elements of the dialog.

Label

Element type

Meaning

(Graphic field) Label Shows the tubing diagram of the analysis system.

Info field (below the

graphic field)

Label Gives information to the user, which actions have to be

performed for the execution of a test stage (e.g. sealing of

certain gas ways etc.).

Start

Button Stars execution of the currently active leak test stage. The

"Test Phases" dialog will open. Here, the test run can be

observed.

Leak search set

Button Opens a dialog in which all components of the leak test kit

are displayed.

Button Closes the dialog. The user will be requested to turn on

again the gas supply. Afterwards, a re-initialization of the

system takes place.

Further information

Further information includes instructions in which the dialog is used and knowledge articles

concerning the dialog:

 Performing a leak test (on page 242).

 Installing reaction tubes in the furnace and conditioning (on page 229).

 Preparing and following up maintenance work (on page 171).

 Start-up (on page 109).

 Reacting to a power failure (on page 248).

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