<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_es">artefactos de medición de electricidad</topic></authority><related type="narrower"><topic>rheoscopes (traducció pendent)</topic></related><related type="narrower"><topic>medidor eléctrico</topic></related><related type="narrower"><topic>frecuencímetros</topic></related><related type="narrower"><topic>amperímetros</topic></related><related type="narrower"><topic>electrómetros</topic></related><related type="narrower"><topic>galvanómetros</topic></related><related type="narrower"><topic>medidor de humedad</topic></related><related type="narrower"><topic>vatímetros</topic></related><related type="narrower"><topic>voltímetros</topic></related><related type="narrower"><topic>ohmímetro</topic></related><related type="narrower"><topic>oscilógrafos</topic></related><related type="narrower"><topic>potenciómetros</topic></related><related type="narrower"><topic>electroscopes (traducció pendent)</topic></related><related type="narrower"><topic>oscilloscopes (traducció pendent)</topic></related><related type="broader"><topic>artefactos de medición para fuerzas elementales</topic></related></mads>