Ametek Thermox 2000 ATEX Series User Manual page 113

You are then prompted to apply the O
port of the sensor:
Inject Zero Gas
ENTER to Continue
CANCEL to Abort
6. Press the Enter key once you have applied this cal gas.
The zero gas display then appears (display line 2 will only appear if you
have the combustibles option):
O2 xx.x % Set xx.x %
Cmb yyyy Set 0
Press ENTER to Zero
7. Press the Enter key once the zero gas reading(s) on the left of the
display have stabilized. If you don't have the combustibles option,
you only need to wait until the O2 zero gas value stabilizes. The
reading on the far right of the first display line shows the setpoint
value you entered for the O
option. This O zero gas setpoint value should match the cal gas
2
cylinder for the O
If you have the combustibles option, you are also prompted to apply the
combustibles span gas to the calibration gas inlet port of the sensor
(tubing must be free of oil and dirt):
Inject Comb Span Gas
ENTER to Continue
CANCEL to Abort
8. Press the Enter key once you have applied this calibration gas. You
are prompted to calibrate the combustibles span gas:
O2 xx.x %
Cmb yyyy Set yyyy
Press ENTER to Span
zero gas to the calibration inlet
2
zero gas using the Cal Gas Values menu
2
zero gas.
2
Calibration | 5-13