1.0Tele Haasehttps://www.tele-online.com/en/Tele Haasehttps://www.tele-online.com/en/rich600338<blockquote class="wp-embedded-content" data-secret="iiBN6h6d5O"><a href="https://www.tele-online.com/en/case-studies/emergencyshy-powershy-monitoring/">Emergency­ power­ monitoring</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.tele-online.com/en/case-studies/emergencyshy-powershy-monitoring/embed/#?secret=iiBN6h6d5O" width="600" height="338" title="“Emergency­ power­ monitoring” — Tele Haase" data-secret="iiBN6h6d5O" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! 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); /* ]]> */ </script> Phase failure for the operating theatre ventilation systems in hospitals is to be recognized as quickly as possible and the system is to be switched over to an emergency generator in such an event.