[{"data":1,"prerenderedAt":106},["ShallowReactive",2],{"glossary-en-lvdt":3},{"id":4,"title":5,"body":6,"description":92,"extension":93,"meta":94,"navigation":101,"path":102,"seo":103,"stem":104,"__hash__":105},"en_glossary/en/glossary/lvdt.md","What is an LVDT?",{"type":7,"value":8,"toc":83},"minimark",[9,13,21,26,29,45,48,52,72],[10,11,5],"h2",{"id":12},"what-is-an-lvdt",[14,15,16,20],"p",{},[17,18,19],"strong",{},"LVDT (Linear Variable Differential Transformer)"," is a type of electrical transformer used for measuring linear displacement (position). It is known for its high precision, robustness, and frictionless operation.",[22,23,25],"h3",{"id":24},"how-it-works","How it Works",[14,27,28],{},"It consists of three coils placed end-to-end around a tube. A ferromagnetic core attached to the object being measured moves inside this tube.",[30,31,32,39],"ul",{},[33,34,35,38],"li",{},[17,36,37],{},"Primary Coil",": Excited by an AC source.",[33,40,41,44],{},[17,42,43],{},"Secondary Coils",": The movement of the core changes the induced voltage in the secondary coils.",[14,46,47],{},"The difference in voltage between the two secondary coils is proportional to the position of the core.",[22,49,51],{"id":50},"advantages","Advantages",[30,53,54,60,66],{},[33,55,56,59],{},[17,57,58],{},"Friaction-free",": Non-contact measurement means infinite mechanical life.",[33,61,62,65],{},[17,63,64],{},"High Resolution",": Can measure movements down to micrometers.",[33,67,68,71],{},[17,69,70],{},"Robustness",": Resistant to shock and vibration.",[14,73,74,75,82],{},"LVDTs are often used with precision conditioners or ",[17,76,77],{},[78,79,81],"a",{"href":80},"/en/products/zma-data-acquisition","Data Acquisition Systems"," to monitor structural health or machine geometry.",{"title":84,"searchDepth":85,"depth":85,"links":86},"",2,[87],{"id":12,"depth":85,"text":5,"children":88},[89,91],{"id":24,"depth":90,"text":25},3,{"id":50,"depth":90,"text":51},"Working principle of Linear Variable Differential Transformers (LVDT) for high-precision linear position measurement.","md",{"tags":95},[96,97,98,99,100],"LVDT","Sensor","Position","Displacement","Transducer",true,"/en/glossary/lvdt",{"title":5,"description":92},"en/glossary/lvdt","uZnSgishgFddEAgkfGeTR0BIfsXykwjwmwFOPr6q3UQ",1778229655063]