Bacharach PCA 2 24-9448, Operating & Maintenance Instructions

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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-
•
•
-
-
MAIN MENU
FUEL
PRESSURE
MEMORY
SETUP
CALIBRATION
DIAGNOSTICS
STATUS
F1 F2 F3
MENU
ERRORS DETECTED
Low Battery
MENU
F1 F2 F3