GE TMO2D, User Manual

Page: 47 / 102

TMO2D Digital Display User’s Manual 39
Chapter 4. Basic Programming
4.8.3 Gas Calibration?
The Gas Calibration? submenu enables you to enter data from the transmitter calibration sheet. Depending on the
selection made in the Select Compensation? submenu, the display will present appropriate prompts for none, pressure,
or background compensation.
Refer to the following sections, depending on the type of compensation you have selected:
•
None — see below.
•
Pressure — refer to page 40.
•
Background — refer to page 40.
4.8.3a No Compensation:
If you have selected NONE for compensation:
Note:
Percent gas concentrations MUST be in ascending order, with Point #1 the lowest concentration.
The menu will then display the “Working . . .” message before returning to the Gas Calibration? submenu.
CALIBRATION MENU
Gas Calibration?
Press [YES] to enter the “Gas Calibration?” submenu. The menu will vary according
to the selection made in the “Select Compensation?” submenu.
GAS GRID ENTRY
# of Points [X]:
Use the numeric keys to enter the number of points in the gas calibration curve, then
press [YES] twice to confirm the entry.
Point # 1
Gas [XX.XX]:
Use the numeric keys to enter the percent gas concentrations for each of the points in
the curve, and then press [YES] to confirm each entry.
XX.XX %Gas
Gas mA [XX.XX]:
After entering all the points, use numeric keys to enter the corresponding mA values
for the given percent gas concentration. Press [YES] twice to confirm each entry.
CALIBRATION MENU
Gas Calibration?
Press [NO] to proceed to Pressure Calibration.