Test Products International (TPI) has existed since 1997 and has been striving to deliver innovation in test and measurement instruments ever since. TPI has a global customer base and footprint, with subsidiaries in the UK, USA, and Canada. As an ISO 9001 approved organisation, TPI offers a range of high-quality tools including thermometers, flue gas analysers, clamp meters, multimeters, and more. They offer a no-hassle 3-year warranty on almost all of their products, ensuring you can be confident in the robustness of your chosen instrument.