Instruction 0019-9337
17
Oxor® III
4. Set up the Calibration Kit with 100% N
2
, as described in the in-
structions supplied with the kit.
5. Connect the tubing of the Calibration Kit to the GAS inlet of the
analyzer; then adjust the regulator for ap prox i mate ly 2 SCFH of
excess
fl
ow (see Figure 5.1).
6. After the analyzer has stabilized (2 to 3 min utes), use the but-
tons to set the displayed value to 0.0%.
7. Disconnect tubing from analyzer and turn off gas
fl
ow.
8. Allow the analyzer's pump to run until the O
2
reading returns to
20.9. If necessary, use the buttons to readjust the reading to
20.9. Repeat steps 3 though 7 to verify the zero adjustment.
9. Press ENTER to store the new calibration values and move to the
next calibration screen; Or hold down ENTER for 2 seconds to store
the new calibration values and enter the Run Mode; Or press the
I/O button to exit the Calibration Mode and turn off the analyzer
without saving the changes.
*Contained in Calibration Kit
Regulator
Gas
Cylinder
Tubing*
Flow
meter*
“T”
connector*
Leave top
port open
Gas
fitting
Figure 5-1. Calibration Kit Hookup
