Model 493.02 Controller Service
Calibrating an LVDT
Calibration
126
E. Record the dial indicator and conditioner feedback values at
the -2% row of your record sheet.
F. Repeat steps D and E for other retraction commands
(typically at -4, -6, -8, -10, -20, -40, -70, and -100 percent of
full scale).
11. Record dial indicator and conditioner feedback readings at
predetermined extension command points.
Stand-Alone:
A. Use the front panel Dial to adjust the Setpoint for a +2%
extension command.
B. Record the dial indicator value and conditioner feedback at
the +2% row of your record sheet.
C. Repeat steps A and B for other extension commands
(typically at +4, +6, +8, +10, +20, +40, +70, and +100 percent
of full scale).
Automated:
A. Adjust the Manual Cmd slider for a +2% extension
command.
B. Record the dial indicator value and conditioner feedback at
the -2% row of your record sheet
C. Repeat steps A and B for other extension commands
(typically at +4, +6, +8, +10, +20, +40, +70, and +100 percent
of full scale).
12. Turn off system hydraulics.