Additel 221A Multifunction Temperature Calibrator User Manual - Manual (Page 69)

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Figure 10.7 AsCal Calibration Method
The Calibration Method page will appear when the task can be calibrated
both manually and automatically (as shown in Figure 10.7).
About Automatic Calibration
Automatic calibration is possible when the calibrator is able to
generate/simulate the UUT’s input signal, and measure the UUT’s output
signal.
The Step Time (set point delay) setting is in use only when the
Calibration Method is set to Automatic. It determines theinterval
between the two calibration points.
If the UUT is a limit switch, this page will display the ramping time.
About Manual Calibration
In Manual Calibration, you have to manually set the value that the
calibration point requires. Manual calibration is possible in almost all
situations, even for calibrations that can be done automatically.