Calibrating an Extensometer
Model 493.02 Controller Service
Calibration
175
Task 1 Get things ready
1. Review “Before You Begin” on page 97.
2. Locate all relevant documentation including information about the
extensometer such as the serial number, model number, etc.
3. Select Calibration for Access Level.
Path: Config > Access Level > Calibration
4. Set up to monitor strain feedback.
You will be monitoring strain feedback when making adjustments
throughout this procedure. You can monitor strain feedback in the
same units that you are using for the calibration.
You can use an external DVM to monitor strain feedback from a
BNC connector located on the FT SE Controller front panel.
You can also use the Meters window to monitor strain feedback.
For Automated systems, you can also use the Station Signals
panel to monitor strain feedback. On the Station Manager Display
menu, select Station Setup. In the navigation pane, select Station
Signals to display the Station Signals panel to monitor current
values for user-defined signals.
For more information on using the Station Signals panel, refer to
“About the Station Signals Panel” in Chapter 3, Station Manager of
the Model 793.00 System Software manual.
5. Mount the extensometer to the calibrator.
Review the extensometer product manual for mounting
information and calibrator requirements.