3.4.2 Point Coefficient The Point coefficient is one of the most common coefficients used in L3. The Point coefficient lets you measure your data stream at a single point resolution. The Point coefficient corresponds to the Point graph analysis tool. When this tool is used, you may obtain the measured result on a single point based on load, distance or time. The Point coefficient has two algorithm choices: Limit and Slope Intersect. Select the Algorithm option box to scroll through the available options for the Point coefficient.
3.4.2.1 Point Limit Coefficient The Point Limit coefficient lets you measure a single data point on your graph or for your data stream at a single point resolution. The Limit- type algorithm is used when you want to find a point based on a limit, e.g., at a Load Limit, at a Distance Limit, at a Time Limit. The limit is defined by the user. Associated with the Limit type algorithm is the Point No. (Number). The Point No. is used to define the “incident” where the point occurs. For example, if the Point No. = 1, the coefficient is finding the first (#1) point where the coefficient appears on the graph trace. If the Point No. = 8, the coefficient will find the 8th location where the defined limit appears on the graph trace. If there is no 8th location, the marker will display XXXXX for values. When a positive number is used to find a point in the data stream, the search begins at the Start of the test- in the left-most part of the graph trace. However, if you enter a Point No. = -1 (negative value), the data stream is analyzed from the right-most or Finished end of the test. Data is analyzed from right to left so the Point is identified as the first point from the end of the test.
Point Measuring Tools • Point Limit •
Slope Intersect Point
•
Offset Yield (Stress-Strain)
Because the POINT NO. is a positive number, the data is analyzed from left to right along the graph. Find the 8th location where the load is 2.50N.
You may find the results based on Load, Distance or Time selecting the UNITS target.
L3 Point Limit Measurement Find the 8th location on the trace where the load value is 2.50N
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