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

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.

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.

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.

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

Our commitment to precision and reliability makes TSI's Flow Meters, Flow Analyzers, and embedded Flow Sensors the ideal choice for critical applications, particularly in the medical …

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 …

Requesting service for TSI / Quest products? Please download and print this Quest Service Request form. Requesting service for Casella product outside of North America and Canada, …

TSI acquired the Test Instruments portion of ADL's business, including manufacturing, assembly, and sales and service operations. 2008 | TSI opens TSI Instruments India Private Limited in …