TBN581 (ORP/pION) TRANSMITTER
CALIBRATION
L - 5
Process Calibration
This procedure applies to TBN581 Transmitters configured for either
ANALOG
or
DIGITAL
. Any differences between the two are noted in
the
Comments
column.
Figure L-2. Calibration Flowchart (TBN581)
T 01 3 34 A
C U M U LAT IV E
O F F S ET
C H A N G E
P R O C E S S
B E N C H
N E W S E N S O R
IN P U T S O U R C E
E N T E R N E W
D E S IR E D R E A D IN G
S A M E O R N E W
S E N S O R
m V S O U R C E
C A L C U LATE D
E F FIC IE N C Y
E N T E R
L O W /H IG H m V
VA L U E S
E N T E R
L O W /H IG H m V
VA L U E S
C A L IB R ATIO N
C O M P LE T E
C
A
L
I
B
R
A
T
E
C A L C U LATE D
S E N S O R
O F F S ET
A P P LY
L OW /H IG H m V
VA L U E S
A P P LY
L OW /H IG H
m V VA L U E S
Key
Display
Comments
This operation will cause a change in output not cor-
responding to the input. Be sure the control loop is in
manual.
Select
YES
.
Select
PROCESS CAL
. If configured digitally, the
D-TO-A ADJUST
selection would not appear.
Select
NO
.
If
YES
, a new sensor offset will be calculated and the
CUMULATIVE OFFSET CHANGE
will be reset to
0.00 mV.
C A LI-
B R AT E
OUTPUT WILL BE
AFFECTED! PROCEED?
NO
→
YES
E N T E R
CALIBRATION
→
PROCESS CAL
BENCH CAL
D-TO-A ADJUST
E N T E R
INSTALLING A
NEW SENSOR?
→
NO
YES
