Chapter 5: Operation • 59
12. The SDM-3R pump(s) start and the program indicates that air is flowing. The AIR indicator on
the program screen is solid green. Air is applied to the GX-3R (Pro)(s) for 15 seconds.
NOTE:
If the GX-3R (Pro) was not on for 40 seconds before the bump test was initiated, air
will flow until the GX-3R (Pro) has been on for 40 seconds.
Figure 39: Air Flowing
13. The PC Program performs a zero adjustment and analyzes the results. If any sensors failed the
zero adjustment, the calibration for that instrument is aborted.
14. The SDM-3R then applies calibration gas in the order of the gas inlets for 60 seconds per inlet.