NOVEMBER, 202019 measurement to ensure high performance while eliminating chances of mechanical failure. Exergen's sensors achieve this by being unpowered and removing any drift--delivering consistent, repeatable accuracy of <0.2 degrees Celsius even under strenuous conditions.To design the ideal temperature measurement solution, Exergen's in-house engineering team in collaboration with a client's engineering staff, review and discuss the thermal management aspects of an application. Illustrating the customized approach, Stelt mentions how Exergen worked closely with its strategic partner HP Indigo, a division of HP's Graphics Solutions Business, to develop an IR sensor solution for their high-end printer line that requires accurate temperature measurement of critical components with relatively low emissivity. Low emissivity surfaces are hard to measure with any IR temperature, as they reflect more radiation than they emit. Moreover, the emissivity of the surface can vary due to substrate properties, and ambient condition changes, which most conventional IR thermometry devices do not account for. Conversely, because of Exergen's custom-fitted conical design, the IR sensor was able to prevent ambient radiation from reflecting off the surface being measured, thereby reducing temperature measurement errors. Simultaneously the design allows for cooling and cleaning of the sensor to prevent overheating and contamination in this high ambient temperature and dusty environment. This sensor solution was also proved ideal for thermal management in the printing, environmental and medical industry.As the scope of applications widens, non-contact temperature sensors have become the preferred technology for moving, inaccessible, and hygienic processes or applications. A high degree of accuracy is demanded in order to not only increase the quality of the outcome but also to reduce waste and even speed up processes. A variety of factors will influence the choice of infrared non-contact sensor like target temperature range, target material, target size, target distance, and ambient temperature. In order to keep increasing the accuracy of the sensor without exploding the price, a company needs to explore different paths, like Exergen Global did. Through partnerships, Exergen designed a transmitter capable of fully calibrating their IR thermocouple sensors to unprecedented accuracy of 0.1 degrees Fahrenheit or 0.1 degrees Celsius by custom calibration over a very specific range. This transmitter, called AutoSmart, not only delivers accuracy that is multiple times better than standards on infrared sensors with the same output, it also provides a unique repeatability of +/- 0.02°F (0.01°C). By using Exergen's AutoSmart transmitter solution, OEM's and system integrators can automatically calibrate sensors themselves at their own manufacturing site. It is a given that this easy-to-use solution, will take into account the ambient temperature. The flexibility of working with the AutoSmart is that clients can choose from: two global standard current output being 4-20 mA, 0-20 mA or four global standard voltage outputs being 0-10V, 0-5V, 0-2.5V and 0-1V. "Ease of use, flexibility, cost efficient are all necessities needed to meet the expectation level of our customers worldwide. When we held a survey amongst our customers, we received a clear understanding of their needs. Of course, it did not surprise us as we understand that they will always look what can be better, faster whilst staying competitive in the cost experience. To meet all these criteria is of course the real challenge. We introduced in Q1 this year which is of course not the best timing as COVID19 hit the world pretty bad. But we are very hopeful as the feedback we received is more than positive," says Stelt.Following its commitment to deliver new innovations, Exergen has introduced Speedboost, a program that leverages Sensoranics to increase production line performance and provide an instant boost in start-up speed. Speedboost combines the material surface temperature data with other non-contact temperature data to calculate the internal temperature of a target, which in turn is used to optimize thermal process monitoring to increase speed. Looking ahead, Exergen intends to launch a new line of compact IR sensors that will meet clients' demands for a more versatile electrical output signal while still providing superior performance and high accuracy. In conclusion, Stelt says, "Exergen remains dedicated to providing thermal management solutions that help clients speed-up their processes and increase production while keeping costs minimal, whilst maintaining the highest possible quality."
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