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Instruction 24-94485-2
Calibration
Any errors detected during warm-up will
be listed on the display immediately fol-
lowing warm-up. For example, the screen
to the right shows that the battery is low.
Correct any errors before proceeding. Refer
to Section 7.3 for a listing of error messages
and their meaning.
2. Display the MAIN MENU by pressing the
MENU (F2) button. If necessary, press ESC
until MENU appears above F2.
3. Use the buttons to highlight
CALIBRATION, and then press ENT to dis-
play the CALIBRATION LIST screen.
4. Use the buttons to highlight the sensor to
be calibrated, and then perform the calibra-
tion procedure for that sensor as described in
the following sections.
5.3 Pressure Sensor Calibration
This procedure calibrates the pressure sensor to a known pressure value.
Material Required:
Bellows
Manometer
Range: ±8 in. of water column (±20 mb)
Accuracy: ±0.01 in. of water column (±0.025 mb)
Procedure:
NOTE: The unit-of-measure for pressure is selected per
Section 3.7. In the following procedure inwc is selected, but note
that any unit-of-measure can be used for calibration purposes.
1. Assemble the pressure sensor calibration equipment as shown in
Figure 5-1, but DO NOT connect the analyzer to the calibration equip-
ment at this time.
2. If not already done, turn ON the analyzer and display the
CALIBRATION LIST screen per Section 5.2.
3. Use the buttons to highlight Pressure, and then press ENT to dis-
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MAIN MENU
FUEL
PRESSURE
MEMORY
SETUP
CALIBRATION
DIAGNOSTICS
STATUS
F1 F2 F3
MENU
ERRORS DETECTED
Low Battery
MENU
F1 F2 F3