Versitron Operation Manual 25
8. The shroud and indenter area should be kept free of dirt and grease which could
hamper operation.
NOTE: Calibration on ball indenter scales is directly related to length of the
indenter. When replacement ball indenters are required the purchase order
should reference the serial number of the test head (located on chrome
capstan wheel). Also note: Balls in the ball indenters can be deformed on
harder surfaces. They are easily replaced by unscrewing the indenter cap
and replacing the ball.
The system will prompt the user with a verification screen, to change the Indenter.
When the installation is complete click “Next” to continue with the capstan adjustment
for load selection.
The first test after changing balls must be discounted since it seats the ball in the
indenter.
5.7 Changing & Adjusting Load
If the hardness scale has been changed and the load settings needs to be adjusted,
the Adjust Load screen will guide the user to make the physical adjustments to set the
machine to the proper load position. When the user adjusts the load setting, they turn
the Capstan Wheel until they are at proper load position (within tolerance). This
screen will prompt the user to turn the wheel to the left or right to adjust the load up or
down, giving a range indication when they are getting close to the target value and
when they are within the allowable range. The adjustment becomes more sensitive
near the target. Make sure the electronics has had 10 minutes to equilibrate prior
to adjusting the load.
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