Equipment Description TriStar II 3020
1-4 302-42828-01 - Dec 2012
and as low as 0.001 m
2
/g with the Krypton option. Up to 1000 data points can be collected allowing
the observation of minute details of the isotherm.
Up to four analyzers can be operated with one computer. The system consists of the analyzer, an
optional SmartPrep degasser for preparing samples, a vacuum pump and a computer for entering anal-
ysis and report options.
Krypton Option
The Krypton option can measure surface areas as low as 0.001 m
2
/g using krypton as the adsorptive.
The analyzer must be equipped with a 10 mmHg transducer and a high-vacuum pump to provide this
capability.
Vacuum Pump
The analyzer requires a vacuum pump for sample analysis. Vacuum pumps used must meet the follow-
ing criteria:
• achieve vacuum levels better than 20 mHg at the instrument inlet
• contain an anti-suckback valve to prevent vacuum pump oil from back streaming into the analyzer
in the event of a vacuum pump failure
• contain an NW16 inlet port for connection to the analyzer.
An oil-based or oil-free vacuum pump can be used with the analyzer (an oil-free pump is required if
the Krypton option is installed). Appropriate vacuum pumps are available from Micromeritics. Refer
to ORDERING INFORMATION, page 10-1.
For ordering information on the Krypton, vacuum pump, or degasser options, refer to
ORDERING INFORMATION, page 10-1.
A device to reduce oil vapor backstreaming is recommended.
The vacuum pump must have an anti-suckback valve to prevent oil from being
admitted to the instrument should the power fail while the system is under vacuum.
Pumps available from Micromeritics are equipped with an anti-suckback valve.
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