Sun Microsystems DGA 5000, Operator'S Manual, Page: 62 / 84

The Leak Check (Vacuum) screen will be displayed instructing the
operator to block the sample probe inlet.
Figure 9-1 Leak Check (Vacuum) Initialization
•
Block the probe inlet using the Probe Sealing Tool (p/n 7009E9317-
46) supplied with the unit.
The screen will indicate that the unit has entered a stabilisation period
during which the pump will build up a vacuum in the gas analyser
pneumatic circuit. The current vacuum will be displayed in mBar and a
status bar will indicate a 20 second countdown.
At the end of the stabilisation period, the pump will cut out and the unit
will measure the vacuum decay over a further 20 second period. During
this measurement period the current vacuum and the vacuum decay will
be displayed. A status bar will show a 20 second countdown.
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C H A P T E R 10