Welcome to MadgeTech, where dataloggers are built. MadgeTech is proudly known across the globe as the industry expert and leading manufacturer of data loggers available today. MadgeTech performs all data logger engineering, manufacturing and servicing in the USA and products are distributed worldwide. Contact us for data logger solutions to measure and record pressure, humidity, shock or temperature data, serving many industries including food, pharmaceuticals, energy and more.


The Cold Chain Experts. With over 20 years of cold chain experience and offices in over 30 countries, Sensitech Inc. is the world’s leading provider of cold chain solutions for the food, pharmaceutical and industrial markets.
With its unique patent-pending technology, Sensitech’s TempTale®GEO lets you know the what, where, when, and why in real time. Compatible with ColdStream® Tracks, the TempTale GEO gives advance notification of your cargo’s location and time of arrival.


Additel Corporation is one of the leading worldwide providers of pressure and process calibration tools. Dedicated to designing, manufacturing, and delivering the highest quality handheld test tools and portable calibrators for process and calibration industries. For many years Additel has successfully developed automated pressure calibrators, digital pressure test gauges, digital pressure calibrators, pressure test and calibration pumps, and multifunction process calibrators.


Fourtec is famous developer of data logging systems, in providing monitoring solutions for a wide variety of industrial applications, including cold chain, pharmaceutical, healthcare, food, warehousing, transportation and many more.
Fourtec integrates innovative functionality and technology, from single-trip USB loggers to wireless monitoring systems and cloud-based applications, enabling you to meet regulatory compliancy, deliver products of higher quality and increase profitability.
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