Calibrating an LVDT
Model 493.02 Controller Service
Calibration
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13. On the Linearization Data window, enter the dial indicator and
conditioner feedback readings for all command points previously
recorded on a separate sheet.
14. Turn on system hydraulics.
15. Verify linearization data.
Stand-Alone:
A. Using the front panel Dial, adjust the Setpoint for each
retraction and extension command point on the Linearization
Data window.
B. At each command point, verify both the dial indicator value
(Standard) and its corresponding conditioner feedback value
(Conditioner).
C. Check validity before entering each pair of values on a new
Calibration Data Sheet.
Automated:
A. Adjust the Manual Cmd slider for each retraction and
extension command point on the Linearization Data window.
B. At each command point, verify both the dial indicator value
(Standard) and its corresponding conditioner feedback value
(Conditioner).
C. Check validity before entering each pair of values on a new
Calibration Data Sheet.
Task 8 Save the calibration
It is important that you save your sensor calibration values.
Stand-Alone— Path: Setup > Open/Save Parameters > <<Save>>
Automated— Click Save on the Calibration tab to save the current
calibration values to the sensor calibration file.