{"id":18263,"date":"2020-10-21T10:00:00","date_gmt":"2020-10-21T09:00:00","guid":{"rendered":"https:\/\/www.engineernewsnetwork.com\/blog\/?p=18263"},"modified":"2020-10-21T09:05:21","modified_gmt":"2020-10-21T08:05:21","slug":"overcoming-instrumentation-battery-challenges","status":"publish","type":"post","link":"https:\/\/www.engineernewsnetwork.com\/blog\/overcoming-instrumentation-battery-challenges\/","title":{"rendered":"Overcoming instrumentation battery challenges"},"content":{"rendered":"\n

Rob Brown explains the role batteries play in achieving reliable instrumentation \u2014 and the challenges design engineers should consider<\/strong><\/p>\n\n\n\n

What are the battery challenges in test and instrumentation equipment? <\/p>\n\n\n\n

Measurement is a fundamental requirement of scientific and engineering disciplines. Without precise measurements as a basis, all future work is doomed to inaccuracy or ineffectuality. <\/p>\n\n\n\n

As such, it\u2019s vital that test and instrumentation equipment can be relied on to provide consistent, accurate measurements. <\/p>\n\n\n\n

A few weeks after the $4.7 billion launch of the Hubble Space Telescope in 1990, an error became apparent to the NASA team; the images returned by the telescope were not as sharp as had been intended. This was caused by a problem with the telescope\u2019s optic system, because the outer perimeter of the primary mirror was 2,200 nanometres too flat. <\/p>\n\n\n\n

An investigation into how this occurred pointed to a reflective null corrector, which is a device used to test and properly shape non-spherical mirrors. This device had been assembled specifically for the telescope\u2019s construction but had been done so incorrectly, with a lens 1.3mm out of position.<\/p>\n\n\n\n

The slight difference had a significant impact on the usefulness of the telescope, until it was balanced out three years later. This led to a series of expensive launches to fit and replace instrumentation over the subsequent years.<\/p>\n\n\n\n

Although most instrumentation applications tend to be closer to home, the Hubble Space Telescope highlights how even slight deviations in measurement can have significant consequences. <\/p>\n\n\n\n

Design engineers working on test, measurement and instrumentation devices aim to guarantee precision by specifying high quality components and ensuring designs are fit for purpose and functional. One of these components is the power source.<\/p>\n\n\n\n

Power may not always be the first thing design engineers think of when considering how to ensure reliability and accuracy in test and instrumentation. <\/p>\n\n\n\n

Yet if there was to be a sudden loss of power, either due to a mains electrical fault or a battery failure, then all results would be lost. Likewise, dips in energy delivered to a digital device can affect the recorded measurements.<\/p>\n\n\n\n

When choosing the optimum power source, it is important to consider the device\u2019s intended application and the environment it will operate in. <\/p>\n\n\n\n

If the device is manned, portable or in regular use then a secondary (rechargeable) battery may be best suited because it can communicate information to the user, such as battery health and state-of-charge, to advise when it needs to be charged or replaced.<\/p>\n\n\n\n

Alternatively, if the device is used in a location where natural energy is available from the sun or wind, it makes sense to harness that power.  <\/p>\n\n\n\n

For example, a weather station could use a secondary (rechargeable) battery that is charged by solar or wind power and, therefore, can operate for many years without the need for human intervention.<\/p>\n\n\n\n

Whilst some devices have the luxury of being able to scavenge renewable energy, others like ocean-bottom seismometers (used to measure earthquakes and other seismic activity) can be set for long periods in remote locations where they have limited access to power and cannot be recharged or replaced. <\/p>\n\n\n\n

In these environments, primary (non-rechargeable) batteries with low self-discharge rates are essential to provide power across a period spanning several weeks or months. <\/p>\n\n\n\n

The batteries will also need to be ruggedised to withstand high pressures and shock.<\/p>\n\n\n\n

Although each of the above applications are varied and require different forms of power, what they have in common is the need for reliable, high performance batteries.  If the batteries were suddenly to fail then there would be no readings available, which would hinder the research or monitoring purposes of the devices.<\/p>\n\n\n\n

One of the core challenges faced by batteries in test and measurement devices<\/a><\/strong> is that there is no single set of typical challenges. A portable vehicle emissions testing device will face very different operating environments compared to a seismometer.<\/p>\n\n\n\n

It’s for this reason that when Accutronics works with design engineers on test and instrumentation projects, it is often to develop bespoke smart batteries that meet an application\u2019s unique challenges.<\/p>\n\n\n\n

With years of experience developing and manufacturing smart batteries to meet the complex requirements of many test environments, Accutronics can develop a battery that delivers reliable power and provides leading functionality. The company\u2019s Accupro bespoke service builds on this experience to design, develop and manufacture a custom battery or charger that meets your application requirements and product development timeline.<\/p>\n\n\n\n

If we consider science and engineering as our way of observing the fundamentals of the world around us, accurate measurement is how we determine what those fundamentals are. <\/p>\n\n\n\n

High quality components, including batteries, are essential to ensure that measurements are, and continue to be, accurate.<\/p>\n\n\n\n

Rob Brown, marketing executive at professional battery manufacturer Accutronics<\/a>.<\/strong> <\/p>\n","protected":false},"excerpt":{"rendered":"

Rob Brown explains the role batteries play in achieving reliable instrumentation \u2014 and the challenges design engineers should consider What are the battery challenges in test and instrumentation equipment?  Measurement is a fundamental requirement of scientific and engineering disciplines. Without precise measurements as a basis, all future work is doomed to inaccuracy or ineffectuality.  As …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[105],"tags":[8946,747,66,543],"class_list":["post-18263","post","type-post","status-publish","format-standard","","category-design","tag-accupro","tag-accutronics","tag-batteries","tag-instrumentation"],"yoast_head":"\nOvercoming instrumentation battery challenges - Engineer News Network<\/title>\n<meta name=\"description\" content=\"Rob Brown explains the role batteries play in achieving reliable instrumentation \u2014 and the challenges design engineers should consider\" \/>\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\/overcoming-instrumentation-battery-challenges\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Overcoming instrumentation battery challenges - 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