Thermo Electron 48C - CO Span Gas

Chapter 3 Operation
3-19
CO Span Gas
The CO span gas is set prior to calibration. The span gas is used to calibrate the CO
level.
To display the CO Span Gas screen:

From the Main Menu choose Calibration Factors

From the Calibration Factors menu choose Span Gas
To use the CO Span Gas screen:

Use the
↑
and
↓
pushbuttons to increment/decrement the gas value

Use the
←
and
→
pushbuttons to change the gas value

Press
ENTER
to accept a change

Press
MENU
to return to the Calibration Factors menu

Press
RUN
to return to the Run screen
Single and Dual/Auto range CO Span Gas Screen
SPAN GAS:
PPM 00000.250
SET TO 00000.500
78 INC/DEC
HI SPAN GAS:
PPM 00000.250
SET TO 01000.000
78 INC/DEC