Model PD655 Large Display Process Meter
Instruction Manual
38
Calibrate Using External Calibration (
E-CAL
)
Note
To simplify programming, write down the desired programming
values prior to attempting to program the meter. The
Programmed
Parameter Settings
form located at the back of this manual provides
a convenient method to record the user settings; it also provides the
factory setting for most of the programmable parameters.
Press
ENTER,
then press it again when the
calibrate (
CalIb
) function appears.
CalIb
Select calibration/scaling function
The display will show
LInEAr
for linear,
SquArE
for square
root, and
Pro9 r
for programmable root extraction.
To select a function, press
ENTER
when desired function is
displayed. The meter advances to setting the decimal point
for process/rate.
The programmable root function is used for open channel
flow measurement using weirs and flumes.
LInEAr
then
SquArE
then
Pro9 r
Select linear input
To select linear, press
ENTER
when
LInear
is displayed.
The meter will now advance to setting the decimal point for
process/rate.
LInEar
Set the process/rate decimal point
The decimal point will begin to scroll, and a zero will be
displayed for the sixth digit. Select decimal point location or
extra zero by pressing
ENTER
when decimal point is in the
required location or extra zero is displayed. If no decimal
point is required, press
ENTER
when the decimal point is
not shown.
2999.9
then
299990
then
2.9999
then
29.999
Select the number of calibration points
If
ENTER
is not pressed when
no. pts
is displayed, the
number of points will default to whatever was selected
previously. To program the number of calibration points,
press
ENTER
while
no. pts
is flashing. The current setting
for the number of points will flash. If this is the desired value,
press ENTER to accept it. If not, wait and the number will
increase. When the desired number of points is displayed,
press
ENTER
to accept it.
No. pts
then
2
then
3
….
11
