Model WT3-201M Motorized Wire Crimp Pull Tester User’s Guide
11 PRELOAD
To improve testing efficiency, the initial speed may be faster than the test speed. When the mechanism
engages the sample, definable as a preload, the speed reverts to the programmed test speed. Select
Preload from the menu and press ENTER. The display appears as follows:
After exiting the menu, press ZERO to arm the function.
Note: To avoid overshoot in Load Holding or Pull to Load, make sure the preload force is set well below
the expected testing force. Some experimentation may be necessary for optimization depending on the
wire sample’s elasticity. The same is true for the preload speed.
Enables the Preload function.
Force
Sets the force at which the speed reverts to the programmed test speed.
Available settings: 1 – 100 lbF, in 0.1 lbF increments (or equivalent range in other units)
Speed
Sets the initial speed until preload. Available settings:
12 – 96 in/min, in 1 in/min increments, or 300 – 2,400 mm/min, in 25 mm/min increments
Disabled
* Enabled
Force
2.0 lbF
Speed
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