The DHT® Cryogenic Blackout Test Chamber is a specialized environmental simulation system developed by Duohe Test Equipment for low-temperature light-sensitive testing scenarios. Designed to support extreme cryogenic conditions, the chamber achieves stable temperature control down to -100°C, making it ideal for evaluating the thermal and optical performance of sensors, infrared devices, aerospace optics, and night vision systems under total blackout conditions. The chamber features a light-tight, matte-black interior and precision-grade thermal insulation to prevent both thermal leakage and optical interference. Its advanced dual-stage cascade refrigeration system ensures uniform temperature distribution across the workspace, while the DHSPLCON intelligent control platform enables programmable temperature profiles, long-duration soak testing, and real-time data logging. With a corrosion-resistant 304 stainless steel structure and low-emissivity interior finish, the chamber minimizes reflective interference and supports high-accuracy dark condition experiments.
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