If you select the H target, a message will display asking whether or not to accept the current datum or to re-datum (Set). Pressing ACCEPT, will continue with the current datum setting if valid. Pressing SET, will start a new datum setup. Again, you will manually place the top and bottom fixtures close together.
You can enter the Fixture Height or the known length of your extension spring in this entry block. If you set up Fixture Height in the test setup, this height value is automatically populated and used to determine the datum.
Select SET to establish a new datum. This requires that you repeat the automatic datum routine.
Select ACCEPT to maintain the existing datum measurement.
Enter known Height for Tensile direction
You can accept the existing Datum or set new one
Select Up for extension (tension) spring datuming. Touch the Up target and the crosshead will move upward until a light load is detected. The height is determined based on this “first touch load”.
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