80 • Chapter 4: Calibration Mode
GX-6000 Operator’s Manual
25 . With the VOC channel’s Gas Select Screen displayed, press and release the POWER/
ENTER button. The target gas selection screen will display. This screen allows you
to select the gas you want to use for calibration. Isobutylene will always be displayed
on the top line. The second line will show the gas that is currently selected in the PID
Gas Name Screen in Display Mode. In the example below, acetone is the currently
selected gas. If isobutylene is the selected gas, then isobutylene will appear twice in
this list.
26 . Use the
▲
AIR and SHIFT
▼
(PANIC) buttons to move the cursor next to the gas you
want to use for calibration.
27 . Press and release the POWER/ENTER button to proceed to the Calibration In
Process Screen for the PID channel with
APPLYGAS
and the gas reading flashing.
If you do not want to proceed with the calibration, press and release the DISP/LOCK
button to return to the Gas Select Screen.
If you do want to continue with the calibration, proceed to the next step.
28 . If you are using a 5-gas calibration cylinder, continue with Step 29.
If you are using a PID only calibration cylinder:
a. Connect the tubing from the regulator to the rigid tube on the probe. Allow the
GX-6000 to draw gas for one minute.
b. Press and release the POWER/ENTER button to set the span adjustment for the
PID channel to the programmed value. Continue with Step 30.
AUTO
GAS SELECT
Isobutylene
Acetone
ESCAPE
APPLYGAS
VOC
ppm
0