The DHT® Tri-Temperature Test Chamber is designed to provide vibration-free environmental testing solutions, particularly suitable for the automotive electronics industry, such as high-precision environmental testing for automotive navigation and autonomous driving systems. The temperature control range of this product series spans from -70°C to 180°C, with a humidity control range from 10% to 98%. The temperature and humidity precision ranges from 0.3°C to 2°C, and the temperature uniformity is also within the 0.3°C to 2°C range. The cooling rate is customizable, with a minimum rate of 0.7°C/min. Additionally, the DHT-D series environmental control units can serve as high-performance temperature and humidity test chambers for multifunctional applications when remote environmental control is not needed.