One cal – RKI Instruments GX-2009 Manual User Manual
Page 43

GX-2009 Operator’s Manual
Calibration Mode • 38
6. Push the adapter plate onto the GX-2009’s sensor face. Make sure the
adapter plate is oriented as shown in Figure 12 below with the sensor
names on the adapter plate matching up with the sensor names on the
instrument.
Figure 12: Installing the Adapter Plate, One Cal
7. Press and release the POWER MODE button, the current gas reading
for the selected channel is displayed.
8. Turn the regulator on/off knob counterclockwise to open it. Calibration
gas will begin to flow.
9. Allow the gas to flow for two minutes.
10. Adjust the display gas reading using the AIR button to match the
calibration cylinder’s target gas concentration. See Step 5 on page 29
for instructions to adjust a parameter using the AIR button.
11. Press and release the POWER MODE button.
Flow
%L
E
L
H
2
S
O
2
To Fixed Flow
Regulator
CO
AIR
POWER
MODE
RKI GX-2009
H
2
S CO %LEL O
2
Adapter Plate
0
ONE CAL
CH4 %LEL