Micromeritics ASAP 2460, Руководство оператора

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ASAP 2460 Operator’s Manual Analysis Conditions Files
246-42800-01 - Aug 2013 3-23
Preparation
button
•
Fast evacuation
- Select
Fast evacuation
when analyzing samples (such
as pellets) that do not fluidize or shed particles under evacuation.
• Evacuation rate / Unrestricted evac. from -
enter the evacuation rate
and the pressure at which unrestricted sample evacuation is to begin. The
option is enabled when Fast evacuation is not selected.
•
Evacuation time -
enter the length of time for preliminary evacuation
which takes place prior to the free space measurement or sample analysis
if free space is to be Entered or Calculated.
•
Leak test -
enables the system to check for system leaks or sample
outgassing before the analysis.
The leak test seals the sample tube and monitors the pressure. If the
pressure rises more than 0.15 mmHg, the analysis does not proceed and a
message displays. While leak testing slightly increases analysis time, it
prevents the continuation of analysis and collection of erroneous data if a
leak exists.
Select to enable the
Leak test duration
field. Enter how long the pressure
is to be monitored.
•
Use TranSeal
- select if using the TranSeal to transfer the sample from
the preparation port to the analysis port under vacuum.
Field or Button Description (continued)