HT Instruments is a leading Italian manufacturer of test and measurement instruments focused on electrical quality, energy, and systems safety. Founded in 1983 with the unique all-in-one HT2031 multifunction electrical tester, it has grown into an innovative product designer and manufacturer focused on answering customer needs. Its products are in use by more than 400,000 customers worldwide. Its new range of Thermal Imagers, such as the THT45, compete head-to-head with better-known makes but at much lower prices and with improved specifications.