[{"data":1,"prerenderedAt":89},["ShallowReactive",2],{"glossary-en-potentiometric-ruler":3},{"id":4,"title":5,"body":6,"description":75,"extension":76,"meta":77,"navigation":84,"path":85,"seo":86,"stem":87,"__hash__":88},"en_glossary/en/glossary/potentiometric-ruler.md","What is a Potentiometric Ruler?",{"type":7,"value":8,"toc":66},"minimark",[9,13,22,27,30,37,41,55],[10,11,5],"h2",{"id":12},"what-is-a-potentiometric-ruler",[14,15,16,17,21],"p",{},"A ",[18,19,20],"strong",{},"Potentiometric Ruler"," (or Linear Potentiometer) is a simple, cost-effective sensor used to measure position or displacement. It works as a variable resistor.",[23,24,26],"h3",{"id":25},"working-principle","Working Principle",[14,28,29],{},"It contains a resistive track and a wiper (slider) that moves along the track. As the wiper moves, the resistance between the wiper and the end of the track changes linearly.",[31,32,33],"ul",{},[34,35,36],"li",{},"By applying a fixed voltage (e.g., 10V) across the track, the voltage at the wiper becomes directly proportional to the position.",[23,38,40],{"id":39},"comparison-vs-lvdt","Comparison vs LVDT",[31,42,43,49],{},[34,44,45,48],{},[18,46,47],{},"Pros",": Cheaper, simpler electronics (DC voltage output), absolute position (no homing needed).",[34,50,51,54],{},[18,52,53],{},"Cons",": Physical contact causes wear over time (limited life cycles).",[14,56,57,58,65],{},"These sensors are widely used in injection molding machines, hydraulic presses, and general automation, often read by devices like the ",[18,59,60],{},[61,62,64],"a",{"href":63},"/en/products/gdt-digital-transmitter","GDT Digital Transmitter",".",{"title":67,"searchDepth":68,"depth":68,"links":69},"",2,[70],{"id":12,"depth":68,"text":5,"children":71},[72,74],{"id":25,"depth":73,"text":26},3,{"id":39,"depth":73,"text":40},"Explanation of linear potentiometers, their resistive working principle, and common applications in position sensing.","md",{"tags":78},[79,80,81,82,83],"Potentiometer","Position Sensor","Resistive","Linear Scale","Automation",true,"/en/glossary/potentiometric-ruler",{"title":5,"description":75},"en/glossary/potentiometric-ruler","9a4pCAr4B0ZNp-xIjOObXJgtQbJ2hlmFHvRgFmRYQcM",1778229655057]