Precision Digital PD663 - Manual (Page 22)

PD663 Loop-Powered Meter Instruction Manual
22
Calibrating the Meter (Cal)
To scale the meter without a signal source refer to
Scaling the Meter (SCL), page 21.
The meter can be calibrated to display the process in engineering units by
applying the appropriate input signal and following the calibration procedure.
The use of a calibrated signal source is strongly recommended.
Press the Up arrow button to scroll to the Calibration menu (CAL) and press
Enter
.
If using linear signal input conditioning, enter the number of calibration points (2-
32).
The meter displays in1. Apply a known signal and press Enter. The display will
flash while accepting the signal.
When the meter displays d1, press Enter. Enter a corresponding display value
for the signal input, and press Enter to accept.
The meter displays in2. Apply a known signal and press Enter. The display will
flash while accepting the signal.
When the meter displays d2, press Enter. Enter a corresponding display value
for the signal input, and press Enter to accept.
Re-calibrating the Internal Calibration
Reference (ICal)
The Internal Calibration (ICAL) menu, located in the Advanced features menu, is
used to recalibrate the internal calibration reference. Recalibration is
recommended at least every twelve months. Refer to Internal Calibration (ICal),
page 26 for instructions.
d1
Press Enter to
Accept Setting
in2
Calibrate
Input 2
in1
ENTER
Set Display 1
Value
Press Up to
Set Digit Value
Press Right to
Select Next Digit
Press Menu to
Exit at any Time
0 00.0
MENU
npt
0 0 2
Number of Points menu
not displayed for square
root input conditioning.
Set Number of
Scale Points
Cal
Display Flashes
Accepting Input