Micromeritics TRISTAR II PLUS - Page 83

Selections
Description
SmartVacPrep
Evacuation
[groupbox]
Backfill sample tube. Indicate if the sample tube should be backfilled
automatically or wait for operator response.
Evacuation rate. Rate used for evacuation.
Evacuation time. Length of time for preliminary evacuation before
proceeding with the Heating Phase temperature schedule. The timer
starts when the vacuum level is reached.
Hold pressure. Pressure at which heating will stop and hold the
sample temperature approximately constant until the pressure falls
below the Hold pressure. This prevents damage to the sample
structure due to 'steaming' and /or elutriation due to excessive
escaping gas velocity.
Target temperature. Targeted temperature for evacuation.
Temperature ramp rate. Rate at which the temperature is to change
when advancing to the target pressure.
Unrestricted evac. from. Pressure at which the unrestricted
evacuation is to begin.
Vacuum level. Evacuation time starts when the vacuum level is
reached.
For fields and buttons not listed in this table, see Common Fields and
Buttons on page2 - 3.
Degas Conditions (continued)
Degas Conditions
TriStar II Plus Operator Manual
303-42800-01 (Rev M ) — Sep 2023
4 - 15