Additel 221A Multifunction Temperature Calibrator User Manual - Manual (Page 44)

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Figure 8.13 Ramping Configuration
main screen.
4. Press Auto to beginautomatic stepping, and the softkey label will change to Pause.
5. Press Pause to pause automatic stepping. The softkey label will change to Resumeat the same time.You can press
Resume to continue automatic stepping.
If you want to exit automatic stepping, press Esc orExit.
8.3.5 Ramping the source value
In the Basic Mode, the calibrator offersthe source value ramping.
Ramping can smoothly and continuously increase or decrease the source
value. The size of steps is determined by the start value, end value and
the ramp time. Before ramping, you need to configure the ramp settings.
Each source item has its own ramp settings. When source is active and
source item is not pulse, frequency and pressure, you can press Ramp
toview the ramp setup interface. Figure 8.13 and Figure 8.14 are
examples of ramp settings and the ramp results of settings.
The Start value cannot equal the End value, and their values cannot
exceed the souring item’s output range.
Note: The ramp time is a single rising time, also is a single falling time, so
the ramp rising process and the falling process is symmetric. In the case
of fixedstart value and end value, the longer ramp time it takes the
slower ramp and smaller steps size it will be. The range of ramp time is