Test Products International Inc.

Welcome to TPI (Test Products International, Inc.). Since 1997, TPI has been striving to offer the latest technology at the most affordable price to technicians, contractors, engineers and others seeking value based test and measurement instruments. Our 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, performance, customer service and high-value in products which include: Vibration, Combustion, Pressure (manometers), Temperature, Combustible gas, Digital Multimeters, Clamp Meters, IAQ, specialty test and measurement instruments, and a wide range of accessories.