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TSI supports our customers around the world with product service and calibration. If you own a TSI instrument, we hope you will take advantage of the benefits available to you.

For example, create a account and track your instrument inventory and calibration due dates. Or, browse our service contracts to see if your product qualifies for a 1-,2-,or 3-year maintenance contract. Learn about these and other options and information below.

TSI Support & Service Options

Guest Service

Request Service as a Guest

You can request service without the benefits of a account. Use the Guest option.

Create Account

Create a Account

To protect your privacy, we invite you to sign up for a free account on

Your Product

Register a Product

With a account, you can register your products and manage your inventory online.

Purchase Info

Payments, Returns, Repairs

Learn about your purchase options and terms, returns, calibrations & repairs, and much more.


Service and Calibration Contracts

Protect your investment now and in the future with a TSI QualityGuard service contract.


Software and Firmware

Use our wizard to download software, firmware, and associated documentation for your instrument.


Find a Rep or Distributor

Use our online tool to find a TSI representative or local distributor near you.


TSI Global Locations

TSI has a worldwide presence with facilities in North America, Europe and Asia.