Configuration
16
DirectLine® DL424/425 Sensor Module User Manual
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Step
Operation
Press
Display
3
Enter
Probe Bias
Voltage
MODE
Momentarily
b IAS (for 1 second)
, then
Value of current Probe Bias Voltage in
Volts
Go to 3a, 3b, or 3c
Remove the probe from the process
prior to 3a - Probe Bias Calibration
.
3a.
Calibrate Probe
Bias Voltage
Hold
(3 seconds)
Flashing Display – bIAS
Calibration begins and the display flashes
until calibration is complete.
An optimal Probe Bias value is determined
and
displayed
after calibration is complete
(up to 2 minutes).
Note: Pressing the MODE button
momentarily during calibration aborts the
calibration and the prior Probe Bias value
is retained.
3b.
Reset the Probe
Bias Value
Hold
(10
seconds)
Display will show "0.55".
Probe Bias Voltage is reset.
3c.
Manual input for
Probe Bias
(DL424 only)
MODE
Hold
(3 seconds)
Display will flash the current probe bias
value.
Select a new value
or
Momentarily
Use up/down arrows to edit Probe Bias
Save the Probe
Bias Voltage
MODE
Momentarily
Saves the Probe Bias Voltage
4
Enter
Noise
Suppression
Frequency
MODE
Momentarily
nSUP
(
for 1 second
) then,
(
Noise Suppression Frequency Selection
)
Edit Noise
Suppression
Frequency
MODE
Hold
Flashing Display – You are now in EDIT
mode
(V
alue of current Frequency selection
)
Select desired
Frequency
Momentarily
to select 50 Hz or 60 Hz (default)
Save the Noise
Suppression
Frequency
MODE
Momentarily
Saves the selection for frequency