Calibration
2/04
DirectLine® DL421 Sensor Module User Manual
21
Calibration Procedures
ATTENTION:
CAL2
must be done within 10 minutes of
CAL1
, otherwise
CAL1
must be repeated to enable
CAL2
.
ATTENTION:
In Table 4-2 and Table 4-3, under the
Press
column:
•
Hold
means to hold the button down until the display changes.
•
Momentarily
means to press and release the indicated button.
Table 4-2 Zero (Standardization) Calibration Procedure
Step
Operation
Press
Display
1
Enter
Zero
(Standardization)
Calibration
1
Hold
CAL1
For
Sample (Manual)
calibration
,
go to
step 2A.
OR
For
Auto Buffer Recognition
calibration
,
go to
step 2B.
Do
Sample (Manual)
Calibration
1
Momentarily
SCAL
for one second,
then displays Live Buffer Value.
Edit Buffer Value
or
Momentarily
To edit Buffer Value
(Flashing Display)
2A
Save New Buffer
Value
MODE
Momentarily
Buffer Value is saved and goes to
Online Display
.
OR
2B
Do
Auto Buffer
Recognition
Calibration
1
Hold
ACAL
for one second,
then displays closest Group Buffer Value.
(Flashing Display until stable reading is achieved
Edit Group Buffer
Value
or
Momentarily
“New Value” – Selects ± 1 buffer group
(Flashing Display until stable reading is achieved)
then goes to
Online Display.
Summary of Contents for DirectLine DL421
Page 34: ...Spare Parts 28 DirectLine DL421 Sensor Module User Manual 2 04 ...
Page 35: ...Spare Parts 2 04 DirectLine DL421 Sensor Module User Manual 29 ...
Page 37: ...Appendix CE Mark Applications 2 04 DirectLine DL421 Sensor Module User Manual 31 ...
Page 39: ...2 04 DirectLine DL421 Sensor Module User Manual 33 ...