Anderson LA Series Buku Petunjuk - Halaman 13

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2.7 CALIBRATION - UTILIZING EXTERNAL PRESSURE SOURCE

2.7 CALIBRATION - UTILIZING EXTERNAL PRESSURE SOURCE
2.7 CALIBRATION - UTILIZING EXTERNAL PRESSURE SOURCE
2.7 CALIBRATION - UTILIZING EXTERNAL PRESSURE SOURCE
2.7 CALIBRATION - UTILIZING EXTERNAL PRESSURE SOURCE
If available, an External Pressure Calibrator may be used to perform a field calibration / re-
calibration of the range on the LD/LA Series Transmitter.
Note:
• Use caution if altering factory calibration – no record will exist at Anderson
pertaining to changes
• Calibration MUST remain within range parameters of unit – be sure to refer to
tables provided
• Loop power MUST be supplied to sensor
Tools Required: Pressure Calibrator (Equivalent to unit as described)
1.
Determine that the desired range is within Full Operating Range of sensor (72" w.c.)
2.
Perform hookup of pressure calibrator as shown in the following figure – orient sensor in
a location where easy access may be made to the internal setup switches
3.
Perform hookup of Multimeter as shown in the figure on the following page:

FIGURE 2-9 PRESSURE PUMP HOOKUP

FIGURE 2-9 PRESSURE PUMP HOOKUP
FIGURE 2-9 PRESSURE PUMP HOOKUP
FIGURE 2-9 PRESSURE PUMP HOOKUP
FIGURE 2-9 PRESSURE PUMP HOOKUP
Digital Pressure Calibrator
(Suggested Unit)
Crystal Engineering
Phone: 800-444-1850
Model: 212-030PSI-G-HR
Digital Multimeter
Snap fit Calibration Adapter
Pressure Pump
#73198-A3
P
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AGE