TBN580 TRANSMITTER
CALIBRATION
K - 8
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
BENCH CAL pH
.
Select
mV SOURCE.
When selecting
SAME SENSOR
or
NEW SENSOR
,
the smart terminal branches to
TEMP COMP TYPE
IN USE
.
The following mV screens apply only when
mV
SOURCE
is selected under
INPUT SOURCE
.
NOTE:
Positive mV corresponds to low pH values
and negative mV corresponds to high pH values.
Default values are
±
414 mV.
Positive mV cal value specified on the prior screen
will be displayed. Apply low mV value. When applied,
the value shown on the smart terminal (from the
input source) will not match the specified value.
Press
when the applied value stabilizes.
Negative mV cal value specified on the prior screen
will be displayed. Apply high mV value. When
applied, the value shown on the smart terminal (from
the input source) will not match the specified value.
Press
when the applied value stabilizes.
When mV operation is complete press
, the
READY
screen will follow.
C A LI-
B R AT E
OUTPUT WILL BE
AFFECTED! PROCEED?
NO
→
YES
E N T E R
CALIBRATION
PROCESS CAL
→
BENCH CAL pH
BENCH CAL TEMP
E N T E R
INPUT SOURCE:
SAME SENSOR
NEW SENSOR
→
mV SOURCE
E N T E R
ENTER LO mV CAL
nn.nn mV
ENTER HI mV CAL
nn.nn mV
E N T E R
APPLY nn.nn mV
nn.nn
HIT ENTER
WHEN STABLE
ENTER
E N T E R
APPLY nn.nn mV
nn.nn
HIT ENTER
WHEN STABLE
ENTER
ENTER
