Test Products International, Inc. is an industry-leading supplier of top-notch test & measurement equipment. It was incorporated in Oregon, the USA in 1997, taking over the customers of Test Probes, Inc. that was dissolved and liquidated.

Since the establishment, TPI (Test Products International, Inc.) has been striving to provide the latest technology at the most affordable price to technicians, contractors, engineers, and others seeking value-based test and measurement instruments. TPI has greatly expanded its product categories to meet the demanding customer requirements in a variety of spheres the world over. The company’s mission is to become the leading independent manufacturer and supplier of low-cost high-performance industrial instrumentation.

Headquartered in the heart of the “Silicon Forest” in Beaverton, Oregon, TPI combines innovation and performance with its excellent customer service and high-value in its extensive product line that includes best-in-class manometers, multimeters, flue gas analyzers, clamp meters, contact & non-contact thermometers, indoor air quality testers, and more.



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TPI Products List

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