TMA Q Series Getting Started Guide
2 8
The purge gas flows through the instrument and is channeled
internally to the sample purge line shown in the figure to the left.
3. Make sure that the pressure of your purge gas source is
regulated between 100 and 140 kPa gauge (15 and 20 psig).
Connecting the Cooling Gas Line
Air cooling is used to cool the TMA furnace to room temperature.
Follow the procedure below to install the
cooling gas line for air cool:
1.
Locate the Cooling Gas fitting, a 1/4-inch
Legris fitting on the right side of the TMA
cabinet back, marked with an 830 kPa
gauge (120 psig) maximum warning label
(see the figure to the right).
2.
Make sure your compressed air source is
dry, filtered, and regulated to between 170
and 830 kPa gauge (25 and 120 psig).
3.
Connect the compressed air line to the
Cooling Gas fitting.
Air Cool
Line
Sample
Purge
Line
Cooling Gas Fitting
