Micromeritics TriStar II 3020 Operator's Manual page 295

TriStar II 3020
4054- Fewer than two data points are inside the fitted thickness range.
Cause:
Action A:
Action B:
4055- A positive BET surface area was not calculated.
Cause:
Action A:
Action B:
4056- A positive Langmuir surface area was not calculated. Please check your Lang-
muir report.
Cause:
Action A:
Action B:
4057- At least two data points are needed for Freundlich calculations.
Cause:
Action:
302-42828-01 - Dec 2013
At least two points must be within the fitted thickness range for the t-
Plot calculations.
Edit the calculation assignments for the t-Plot report.
Edit the fitted thickness range in the t-Plot report editor.
Fewer than two points were assigned to the requested surface area
calculation in the collected data table.
Assign more points to the surface area calculation.
Select a different surface area in the t-Plot report editor.
Fewer than two points were assigned to the requested surface area
calculation in the collected data table.
Assign more points to the surface area calculation.
Select a different surface area in the t-Plot report editor.
Less than two data points have been selected for the Freundlich
report; at least two are required.
Select Freundlich points on the Collected Data window. If calculation
assignments are not being used, edit the Freundlich Report options,
Absolute pressure range in the sample file.
Appendix B
B-23