TDG researches, develops and offers innovative & high-end isntruments, data acquisition systems, sensors, servo-testing machines and earthquake simulators, that rapidly adapt and fit best to the requirements of customers on the global market. The company was initiatiated in year 2000, as the first and only "Scientific Measurement Systems" manufacturer of Turkey, researching & developing products under the TESTBOX® brand. Since 2000, TDG has been the local market leaders in designing technologies, products, and solutions for structural & earthquake engineering. Thousands of academic papers have been published based on tests conducted with TESTBOX Data Acquisition Systems. These studies verified and proved the reliability of the devices, and have created today's reputation, prestige and trust. For over 20 years, TDG has succesfuly delivered more than thousands of projects including ten thousands of sensors & instruments in all parts of the world, including United States, Europe, Central and Eastern Asia & Middle East. Today, TDG is one of the most preffered & trusted instrumentation provider, among researchers & engineering professionals all over the world, in the fields of: • Data acquisiton systems, data loggers, digitizers • Sensors, signal conditioning • Test & analysis software • Structural health monitoring & earthquake enginering solutions • Servo hydraulic & electro-mechanic test devices • Shake-Tables & Earthquake Simulators TDG brands are: • TESTBOX • eQUAKE • SENSEBOX • EASYTEST