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Partner with the industry leader in accuracy, reliability, and data integrity.

You need more than just an instrument; you need a solution designed to deliver reliable data. From particle research to cleanroom compliance and HVAC testing, TSI Incorporated offers technology to help address your most challenging measurement needs.

Please complete the form below. Your request will be routed to the appropriate expert for your specific region and industry.

The TSI Difference

Knowledge Beyond Measure:
For over 50 years, our instruments have set the standard for scientific accuracy. When you choose TSI, you are choosing data you can defend.
Global Reach, Local Support:
With headquarters in the USA and offices across Europe and Asia, we provide support, training, and consultation in many locations worldwide.
End-to-End Solutions:
We don't just sell instrumentation. Our offerings can include installation, ISO-certified calibration, and extended warranty plans to meet your needs.

Frequently Asked Questions

I am unsure which model is right for my application. Can you help?
Absolutely. TSI offers a wide range of configurable instruments. In the "Comments" section, please describe what you are measuring (e.g., "outdoor air quality monitoring" or "N95 mask fit testing"), and our engineering team will recommend the optimal setup.
Do you offer rental equipment?
Yes, we offer rental programs for many of our ventilation test instruments and health & safety products. Please note your interest in renting in the comments field, and we will provide availability and rates.
Can I get a quote for service or calibration here?
This form is primarily for new equipment. For faster service on existing units, please visit our Service & Support page to create an RMA or service request.
Do you ship internationally?
Yes. TSI is a global company with distribution partners worldwide. We can arrange shipping to most locations and will ensure your quote includes the appropriate power configurations and regulatory certifications for your region.