Calibration
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DirectLine® DL423 Sensor Module User Manual
19
Step
Operation
Press
Display
2 Cell
Calibration
Conductivity/
Resistivity
CCal
Hold
(3 seconds)
CCAL
To cancel, press Mode button.
The display changes to a live solution PV
value, so you can continue to monitor the
sample.
or
to edit the Solution PV value
(0.000 to MaxPV).
The displayed PV value
flashes
at the
current value and increments or
decrements by 0.001.
The output is held at its current percent of
range value.
Press and hold
or
to increment or
decrement by about 0.003/second
MODE
Momentarily
A new Cal Trim value is calculated.
If successful, the display will change to
online PV and the Output hold will
terminate.
If an error occurs, "FAIL" will display and
return to online PV. The previous Cal Trim
value will be retained. Refer to
"Diagnostics" for error messages.
3 Temperature
Calibration Offset
Reset
TCal
Momentarily
tOFS (1 second)
Then "Temperature Offset Value" i.e. 0.5C
or 0.9F
Hold
(10
seconds)
Display will show "0.0".
Temperature Offset is reset.
continued MODE
Momentarily
Display will change to online PV.