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Model T101 Instruction Manual Principles Of Operation
253
10.3. PNEUMATIC OPERATION
CAUTION
It is important that the sample airflow system is leak-tight and not pressurized over
ambient pressure. Regular leak checks should be performed on the analyzer as
described in the maintenance schedule, Table 8-1. Procedures for correctly performing
leak checks can be found in Section 9.5.1.
NOTE
Relative Pressure versus Absolute Pressure
In this manual vacuum readings are given in inches of mercury absolute pressure (in-
Hg-A), i.e. indicate an absolute pressure referenced against zero (a perfect vacuum).
07266B DCN6485