HT developed several ranges of instruments such as the family 400.
a series of 5 models (Combi 420, Combi 419, SPEED 418, GEO 416 and ISO 410) introducing a number of advantages such as backlighted graphical display, online help, remote key to start testing, and so on. Once again HT showed its intention to invest in technology to be qualified and to keep pace so representing a pioneer in its market.
Under the same spirit PQA series was developed, the first analyzer of power quality on the market with backlighted color touch LCD. The variety of languages, online help, intuitive menu with icons, four current inputs and five voltage inputs, capability of recording all parameters at once make PQA extremely advanced and unmatched on the market.
In 2007 HT INSTRUMENTS GmbH was founded, a second branch located in Germany.