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Teledyne Analytical Instruments
26
Thermal Conductivity Analyzer Model 212R
7.4.3 Span Gas.
Containing an equivalent impurity. Again, the span gas must be procured
from a supplier who will certify its composition. The range switch must be in
range 3 when the span gas is introduced.
IMPORTANT: The accuracy of the analysis is directly related to the
users knowledge of the span gas composition.
Reference and Sample Flowrates 0.3 SCFH
Bypass Flowrate 3.0 SCFH
NOTE: Cylinder and sample stream pressure settings must
be adjusted in order to maintain the above flowrates
when switching from one sample to another.
RECOMMENDED SPARE PARTS LIST
QUANTITY PART NO. DESCRIPTION
1 A-6251 Measuring Cell Block Assembly
1 A-6981 Proportional Temperature Control
1 F-45 Sample Flowmeter Tube
1 F-22 Sample Flowmeter Bypass Tube
A minimum charge applies to all spare part orders.
IMPORTANT: Orders for replacement parts should include the part
number, the model and serial number of the analyzer in which they are to be
used.