{"id":12989,"date":"2019-06-28T08:00:03","date_gmt":"2019-06-28T07:00:03","guid":{"rendered":"https:\/\/www.engineernewsnetwork.com\/blog\/?p=12989"},"modified":"2019-06-26T10:58:35","modified_gmt":"2019-06-26T09:58:35","slug":"thermal-imaging-keeps-energy-costs-down-for-freezer-insulation-inspection","status":"publish","type":"post","link":"https:\/\/www.engineernewsnetwork.com\/blog\/thermal-imaging-keeps-energy-costs-down-for-freezer-insulation-inspection\/","title":{"rendered":"Thermal imaging keeps energy costs down for freezer insulation inspection"},"content":{"rendered":"\n

As important as they are for storing quantities of foodstuffs, commercial walk-in freezers use a lot of energy. <\/p>\n\n\n\n

So, it is imperative that this consumption is kept to a minimum by ensuring the temperature inside the freezer is not compromised by any breach in the freezer\u2019s insulation. <\/p>\n\n\n\n

Thermal imaging is proving the ideal technology for this purpose and the process is much the same as seeking out faults in building fabric.  <\/p>\n\n\n\n

The only difference is the direction of heat. When inspecting a building a thermographer will generally look for heat leaking from the inside of the structure to the outside. But with refrigeration units, the main requirement is to detect heat leaking inwards.<\/p>\n\n\n\n

In many cases the problem lies with faulty construction so even the operating costs of new freezers can be unnecessarily high.  <\/p>\n\n\n\n

Frequently joints between the insulation panels are not protected adequately, creating heat bridges.  <\/p>\n\n\n\n

In older units insulation faults are common due to wear but in both cases thermal imaging can see the problem in an instant.  However, the quality of the infrared camera is key to the success of this application.<\/p>\n\n\n\n

The Dutch consultancy, Thermografisch en Adviesbureau, is frequently commissioned to conduct thermal inspection of commercial freezers and its spokesman explains: \u201cThermal sensitivity, accuracy and resolution are crucial to the accurate detection of thermal bridges. You need to be able to interpret what you see in a thermal image and if you are using a thermal imaging camera that is below 640 x 480 pixels then you are missing information that you need to draw the right conclusions.\u201d<\/p>\n\n\n\n

The most sophisticated FLIR thermal imaging camera<\/a><\/strong> the consultancy uses for its work combines high resolution with 30mK thermal sensitivity and an accuracy of \u00b12\u00b0C. And another important feature for freezer inspection the company cites is calibration range.<\/p>\n\n\n\n

\u201cOur FLIR camera is calibrated to a minimum temperature of -40\u00b0C and this is very important to ensure accuracy temperature measurement. Most freezers are kept at a temperature between -20\u00b0C and -30\u00b0C. However, some freezers cool their contents down to -50\u00b0C or even -60\u00b0C and the FLIR camera is still capable of visualising insulation leaks.\u201d<\/p>\n\n\n\n

\u201cHigh quality thermal imaging cameras and good training come at a price but they are definitely worth the money,\u201d the spokesman concludes. \u201cWe have several FLIR cameras that are used for a wide variety of applications from building, industrial maintenance and HVAC system inspection to detecting water ingress in aircraft composite materials. Our cameras are constantly on the move from site to site.\u201d
<\/p>\n","protected":false},"excerpt":{"rendered":"

As important as they are for storing quantities of foodstuffs, commercial walk-in freezers use a lot of energy. So, it is imperative that this consumption is kept to a minimum by ensuring the temperature inside the freezer is not compromised by any breach in the freezer\u2019s insulation.  Thermal imaging is proving the ideal technology for …<\/p>\n","protected":false},"author":1,"featured_media":12990,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[572,574],"class_list":["post-12989","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-process","tag-flir","tag-thermal-imaging"],"yoast_head":"\nThermal imaging keeps energy costs down for freezer insulation inspection - Engineer News Network<\/title>\n<meta name=\"description\" content=\"When inspecting a building a thermographer will generally look for heat leaking from the inside of the structure to the outside\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.engineernewsnetwork.com\/blog\/thermal-imaging-keeps-energy-costs-down-for-freezer-insulation-inspection\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Thermal imaging keeps energy costs down for freezer insulation inspection - 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