Micromeritics TRISTAR II PLUS User Manual

4 Parameter Files
SAMPLE TUBE
File > Open > [.STB File]
Perform a Sample Tube Free Space Analysis on page6 - 20
Or, click Edit next to the Sample Tube selection on the Sample Description tab when in Advanced
option presentation.
Sample Tube files specify information about the sample tube.
Selections
Description
Ambient free space
[textbox]
Empty sample tube gas capacity measured at room temperature.
Analysis free space
[textbox]
Empty sample tube gas capacity measured with the Dewar raised.
Load from Sample
File [button]
Loads parameters from the selected sample file.
Non-ideality factor
[textbox]
Compensates for the forces of attraction between molecules in a real
gas. This value is used for a calculated free space.
Sample tube
[drop-downbox]
It is a good practice to label each sample tube with a unique iden-
tification. Enter that information here. This information will also appear
in the Sample Tube drop-down list on the Sample Description tab.
Use filler rod
[checkbox]
Select if a filler rod is to be used in the sample tube. A filler rod reduces
the stem free space volume resulting in reduction of free space error. It
is generally a good practice to use filler rods for samples having less
than 100 square meters of total surface area.
Sample Tube
4 - 18
TriStar II Plus Operator Manual
303-42800-01 (Rev M ) — Sep 2023

Micromeritics TRISTAR II PLUS Specifications

General

Brand	Micromeritics
Model	TRISTAR II PLUS
Category	Measuring Instruments
Language	English