RKI Instruments GX-2003 - Manual (Page 58)

Calibrating A GX-2003 With the Data Logging Software • 58
6. Use the selection boxes under the Span column to select the
channels you want to calibrate.
NOTE: If installed, the TC % volume sensor cannot be
calibrated at the same time as the other sensors
because a multi-gas cylinder that includes % volume
methane is not available.
7. Click the Zero button. The software will perform a zero
adjustment setting the oxygen channel to 20.9% and all
other channels to 0.
Figure 39: Set Window with Calibration Frame
Set Auto Cal. values to match Click boxes to select
channels for calibration gas cylinder