Micromeritics TRISTAR II PLUS Operator's Manual page 104

6 Perform an Analysis
3. For best results, if the Dewar has not been used for a while, allow approximately 30 minutes
for the temperature of the Dewar to stabilize with the bath liquid, then recheck the level of
the bath liquid. Add additional liquid if necessary.
4. Slide the Dewar cover to approximately 3/4 in. (19 mm) from the sample port nuts to ensure
a proper seal on the top of the Dewar.
5. Place the Dewar on the elevator.
6. Close the safety shield on the front of the analyzer.
Ensure the analyzer safety shield is in place before beginning an analysis. If the
analyzer is operated at an excessive pressure, the sample or balance tube could
become dislodged from its port, possibly causing personal injury or damage to the
equipment.
6 - 12
A. Wetness or frozen
condensation
indicates bath
liquid level
B. Level indicator
mark
TriStar II Plus Operator Manual
303-42800-01 (Rev M ) — Sep 2023