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11
From pH or ORP measurement mode
press ENT key
to enter setup mode
as described in section 5.1. The LCD shows the first screen of setup mode
(
OFS
).
Press
▲
or
▼
key
to
select Temperature settings screen
(SET
ºCF).
Press ENT key
to access temperature settings (
SET ºCF
).
2
Selecting unit of measurement for temperature:
The upper display
shows ‘
Unit
’ and the lower display shows the last configured unit of
measurement for temperature.
Press
▲
or
▼
key
to select the desired units for temperature (
ºC or ºF)
.
Press ENT key
to confirm your selection.
3
Enable/disable ATC:
The lower display shows ‘
AtC
’ and the upper display
shows the last configured ATC selection (‘
On
’ or ‘
OFF
’).
Press
▲
or
▼
key
to enable (
ATC
On
) or disable (
ATC OFF
) automatic
temperature compensation.
Press ENT key
to confirm your selection.
If ATC enabled (ATC On):
4
Setting temperature offset:
The upper display shows the last configured
temperature offset value (if any), otherwise the default is zero. The lower
display shows currently measured temperature reading (including last
configured offset value). LCD shows ‘
ATC
’ annunciator in lower-right
corner.
Place a thermometer, which is known to be accurate, in your sample or
process liquid. Make sure your temperature probe is placed in the same
liquid. Compare the stabilized temperature reading displayed on the
Transmitter with the thermometer. If there is a difference between the two
readings (offset), you can adjust the reading of the Transmitter.
Press
▲
or
▼
key
to adjust the lower display to the correct temperature value.
55
As the lower display value changes, the pH Transmitter adjust the upper
display reading automatically to suit the new offset value. Up to ± 10 ºC/ ±
18 ºF offset is allowed.
Press ENT key
to confirm the value. The pH Transmitter reverts to
SET
ºCF
screen.
If ATC disabled (ATC OFF):
6
Setting process temperature
: The lower display shows ‘
P.ºC
’ and the
upper display shows the last configured process temperature.
Press
▲
or
▼
key
to adjust the upper display to desired process temperature.
Allowable range: –10.0 to 110.0°C / 14.0 to 230°F.
Press ENT key
to confirm the process temperature.
