Saturday, November 19, 2011

Thermal Imagers and Their Applications

Not so long ago, thermal imaging software may have seemed the stuff of CSI or James Bond; better linked with spotting Russian agents in the Arctic tundra, or tracing the footprints of a fleeing criminal. And the majority of those associations even now apply.

Police officers normally use thermal imagers to identify the distinctive heat patterns given off by cannabis factories, otherwise hidden within everyday houses or garden sheds. However, in current times the introduction of low cost, user-friendly technology has seen thermal imaging rolled out across a much wider and perhaps surprising set of industries. Mike Berrie, of thermal imaging specialists Irisys, explains, “easy-to-use thermal imaging technology can be of benefit in measuring, monitoring and identifying problem areas that have previously been hard to find, all at an affordable price”.

The cabability to spot diverse regions of heat has security uses further than easily catching bad guys. Banks and other institutes can use thermal images to measure where heat is being lost around security doors - a helpful indicator of exactly how securely covered that area is. Similarly, stores and supermarkets can check the gasket seals on cold storage areas (e.g. freezer and chiller cabinets), ensuring their produce remains fresh and they are not using unnecessarily high levels of electricity to keep it so. Until recently, organizations would have had to employ expert contractors to do these kinds of checks as the charge of temperature measurement apparatus - between $40,000 and $60,000 - rendered ownership of the technology prohibitively high-priced.

The advent of cheaper thermal imagers, such as Irisys’s IR16DS, mean not only that these contractors can work more easily, more cheaply and more quickly, but also that non-specialists can purchase their own equipment. The advent of cheaper thermal imagers, such as Irisys’s IR16DS, mean not only that these contractors can work more easily, more cheaply and more quickly, but also that non-specialists can purchase their own equipment. The long term savings are not only clear, but preventative maintenance is a more practical consideration as one does not risk spending large amounts of money only to find out that nothing is wrong. Thermal imaging can even find uses in your own home. Now a days cost is our main concern.

With times hard for many we’re always on the lookout for extra ways to save a few pennies - and if it can help us go green at the same time, all the better. Thermal imaging can show you where your house is getting rid of the most heat; peer through the viewfinder and notice those houses with insufficient loft insulation lit up like a Christmas tree. Of course, a blockage in your central heating system can mean large areas of your house not getting any heat at all. Moreover, thermal imagers can tell you the exact place of the blockage and cut down on call out times .

On top of that ,they are advantageous in locating potentially dangerous electrical faults - always encouraging - and can find areas of excess moisture, assisting you catch damp before it sets in. Spotting electrical faults is also useful in the (literally) high flying world of aerospace engineering. The electrical devices of aeroplanes are normally tightly packed into narrow cavities in the fuselage and typical routine maintenance can involve the taking apart of large portions in the search for a problem. One top of that, thermal imagers are very efficient in reducing time and expense.

Being able to quickly spot air leakages is another benefit, and the ability to measure the heat generated by moving components has applications across the mechanical construction sector. In already heated environments such as a ship’s engine room or a busy factory, one cannot always rely on one’s own senses to spot when individual components may be overheating: with thermal imaging, that is not a problem. And that really is only the start. The applications of temperature measurement equipment take care of various other industries as diverse as water treatment, research and development, transport, biotechnology, ceramics and also brewing. Definitely not the stuff of science fiction any longer; thermal imagers are hot.

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