Entering The New Span Value - GE Moisture Image 1 Series Service Manual

June 2003
Checking the Oxygen
Cell Calibration (cont.)
Entering the New Span
Value
2-24
Therefore,
(
100 75
290 + ------------------------------------------------------------- -
The new span value (x) is 100 PPMv
as described in the next sub-section.
1. From the Main Menu, press the SETTINGS menu key.
2. Enter the passcode (see page 2-6 of the Programming Manual).
3. Press the SYSTEM menu key.
4. Press the CALIB menu key.
5. Press the PROBE menu key until the Oxygen Probe Calibration
screen appears. See Figure 2-9 below.
Oxygen Probe Calibration
S/N
Zero:
Span:
O2 Current Multiplier:
System Calibration Menu
HELP CHANNEL
Figure 2-9: System Calibration Menu for Oxygen Cell
6. Use the CHANNEL menu key to cycle to the desired channel. The
channel number is indicated in the top right-hand-corner of the
screen. The screen will only display installed channels.
7. Move the pointer to the Span µA line and press [YES].
8. Enter the new span value and press [YES].
9. Press the DONE menu key until you return to the Main Menu.
Check the screen to verify that the new span value has been
accepted.
) 290 0.4238 ( )
– –
=
( )
75 0.05 –
≅
387 µA. Enter the new value
µA ppm (or %)
____ ____
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PROBE
Troubleshooting and Maintenance
x
Ch
1
DONE