Bacharach PCA 2 24-9448 - Manual (Page 68)

Instruction 24-9448 5-2
Calibration
Any errors detected durng warm-up wll
be lsted on the dsplay mmedately fol-
lowng warm-up. For example, the screen
to the rght shows that the battery s low.
Correct any errors before proceedng. Refer
to Secton 7.3 for a lstng of error messages
and ther meanng.
2. Dsplay the MAIN MENU by pressng the
MENU (F2) button. If necessary, press ESC
untl MENU appears above F2 .
3. Use the buttons to hghlght
CALIBRATION, and then press
ENT
to ds-
play the CALIBRATION LIST screen.
4. Use the buttons to hghlght the sensor to
be calbrated, and then perform the calbra-
ton procedure for that sensor as descrbed n
the followng sectons.
5.3 Pressure Sensor Calibration
Ths procedure calbrates the pressure sensor to a known pressure value.
Material Required:
Bellows
Manometer
Range: ±8 n. of water column (±20 mb)
Accuracy: ±0.01 n. 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 calbraton equpment as shown n
Fgure 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 dsplay the
CALIBRATION LIST screen per Secton 5.2.
3. Use the buttons to hghlght Pressure, and then press ENT to ds-
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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