Calibrating a Gas Tracer • 104
15. After air is applied, and if the ppm sensor passed the zero adjustment,
calibration gas from the GAS 2 cylinder will be applied to the ppm sensor. The
GAS 2 indicator on the program screen will come on and calibration gas will be
applied to the ppm sensor for 90 seconds.
Figure 82: GAS 2 PPM Gas Flowing
The PC Controller program will analyze the results.