| 摘要 |
The invention pertains to the field of measurement of the length of a part, and more particularly, using two or more proximity sensors. Therefore a method for determining the range of a dimensional parameter of a multiplicity of members is provided. The method includes the steps of: providing at least two sensors; fixing a set constant distances between the sensors such that the relative distances between sensors are fixed and free from adjustment; and measuring the dimensional parameter based upon a ratio of a first time segment and a second time segment, whereby no adjustment of the relative distance between sensors is required. <IMAGE>
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