{"version":"1.0","provider_name":"SJ Gauge | Man\u00f3metros, term\u00f3metros y sensores de presi\u00f3n","provider_url":"https:\/\/www.sj-gauge.com\/es","author_name":"SJ Gauge","author_url":"https:\/\/www.sj-gauge.com\/es\/author\/sj-gauge\/","title":"Why Can`t a Vacuum Gauge Reach -760 mmHg? How Does a Pressure Gauge Measure Vacuum?","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"x4e0bQR5GX\"><a href=\"https:\/\/www.sj-gauge.com\/es\/pressure-gauge-vacuum-issues\/\">\u00bfPor qu\u00e9 un vacu\u00f3metro no alcanza -760 mmHg? \u00bfC\u00f3mo mide el vac\u00edo un man\u00f3metro?<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.sj-gauge.com\/es\/pressure-gauge-vacuum-issues\/embed\/#?secret=x4e0bQR5GX\" width=\"600\" height=\"338\" title=\"\u00ab\u00bfPor qu\u00e9 un man\u00f3metro de vac\u00edo no puede alcanzar los -760 g (mmHg)? \u00bfC\u00f3mo mide el vac\u00edo un man\u00f3metro de presi\u00f3n?\u00bb \u2014 SJ Gauge | Man\u00f3metros, term\u00f3metros y sensores de presi\u00f3n\" data-secret=\"x4e0bQR5GX\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!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);\n\/\/# sourceURL=https:\/\/www.sj-gauge.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>","thumbnail_url":"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/04\/SJ-Gauge-Pressure-Gauge-Measure-VacuumBN.jpg","thumbnail_width":800,"thumbnail_height":500,"description":"A 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."}