TSI Incorporated, headquartered in Shoreview, Minnesota, is a global leader in precision measurement instrumentation, software services and workflow management.

If you own a TSI instrument, we hope you will take advantage of the benefits available to you. For example, create a tsi.com account and track your instrument inventory and calibration due dates.

At TSI we believe in creating a better world by helping protect people, products, and the environment and optimizing research and industrial processes on a global basis.

Getting in touch with TSI is easy. Please complete the form below and a TSI representative will reach out to you shortly.

Accurate, Reliable and Quality Instrumentation At TSI, we stand behind our accurate, reliable and quality instrumentation. Browse our product categories to find the solution you need.

Getting in touch with TSI is easy. Please complete the form below and a TSI representative will reach out to you shortly.

While third-party labs can only verify your instrument, TSI can perform multipoint calibration and adjustments, update software, firmware and repair with original parts – all from certified factory …

Select an option below to let us know how you would like TSI to return your instruments to you. By allowing partial shipments, the order could be delivered in multiple shipments versus delaying the …

TSI creates a better world by helping protect people, products, and the environment and optimizing research and industrial processes. We conduct business with integrity.

TSI Quest offers a variety of noise dosimeters that are rugged, lightweight and designed for exceptional ease of use.