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Digital temperature and humidity data loggers

The Thermochrom family of iButtons (DS1921/DS1922) temperature data loggers track temperatures of vaccines, drugs, and reagents.

The Hygrochron family of iButtons (DS1923) adds an embedded humidity sensor to log both temperature and humidity. From the iButton Product Group of Dallas Semiconductor/Maxum, the iButton is a computer chip with a globally unique address, factory-lasered at time of manufacture, enclosed in a 16-mm stainless-steel case. They deliver or record data where needed.
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Discover the right packaging solutions for life sciences in Philadelphia
Explore innovative packaging and supply chain solutions for the life sciences at the largest PACK EXPO East in history, March 18–20. Get ideas from 400+ top exhibitors and connect with colleagues and industry experts—all in one convenient location!
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Discover the right packaging solutions for life sciences in Philadelphia