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Onset Headquarters - Cape Cod, MA

Onset is the world leader in data loggers. Headquartered on Cape Cod, Massachusetts, our "HOBO" data loggers are used around the globe in a broad range of applications, from energy monitoring in Fortune 500 office buildings to scientific experiments aboard NASA space shuttles.

Onset is known for delivering cost-effective, reliable products, and our ongoing commitment to innovation enables us to develop cutting-edge data logging hardware and software solutions.

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Onset Computer Corporation has been producing data loggers for over 30 years. Our battery-powered “HOBO” data logger products measure and record temperature, humidity, light, energy, and a variety of other parameters.

Known for providing reliable, accurate data under tough environmental conditions, HOBO data loggers can be rapidly deployed in a range of monitoring applications, from measuring building energy performance to water and field ecology studies.

Onset values your privacy. Click here to read our privacy statement.

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