1.0SJ Gauge | Manómetros, termómetros y sensores de presiónhttps://www.sj-gauge.com/esSJ Gaugehttps://www.sj-gauge.com/es/author/sj-gauge/rich600338<blockquote class="wp-embedded-content" data-secret="TmILAVFgMD"><a href="https://www.sj-gauge.com/es/pressure-gauge-vacuum-issues/">¿Por qué un vacuómetro no alcanza -760 mmHg? ¿Cómo mide el vacío un manómetro?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.sj-gauge.com/es/pressure-gauge-vacuum-issues/embed/#?secret=TmILAVFgMD" width="600" height="338" title="«¿Por qué un manómetro de vacío no puede alcanzar los -760 g (mmHg)? ¿Cómo mide el vacío un manómetro de presión?» — SJ Gauge | Manómetros, termómetros y sensores de presión" data-secret="TmILAVFgMD" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.sj-gauge.com/wp-includes/js/wp-embed.min.js </script>https://www.sj-gauge.com/wp-content/uploads/2026/04/SJ-Gauge-Pressure-Gauge-Measure-VacuumBN.jpg800500A vacuum gauge should reach -760 mmHg under ideal conditions, but in real applications, it often falls short. Learn the common causes such as leaks, faulty gauges, and system limitations, and how to improve vacuum performance.