Angelantoni Test Technologies S.r.l. (operating globally under the brand ACS) is an Italian manufacturer of environmental test chambers and simulation systems founded in 1952. Headquartered in Massa Martana (Perugia), the company is a core business unit of the Angelantoni Industrie Group and operates international subsidiaries and production plants across Europe and Asia.
The company designs, engineers, and builds standardized and highly customized environmental test solutions. Its testing systems support aerospace agencies, automotive OEMs, defense contractors, and electronics manufacturers worldwide, offering solutions ranging from benchtop temperature cabinets to massive space simulators (thermal vacuum chambers) and walk-in climatic rooms.
Angelantoni Test Technologies specializes in accelerated stress testing, producing dedicated HALT and HASS testing chambers (such as the UHS series) that combine triaxial repetitive-shock vibration with rapid thermal ramps and humidity controls to detect latent flaws in mission-critical electronics.