The DHT® Vacuum Test Chambers is designed to meet the environmental testing requirements for temperature and humidity under high-altitude conditions. It is a long-life test chamber known for its high stability, precision, and low failure rate. With a capacity range from 100 to 1500 liters, it offers a temperature range from -70°C to +180°C (available in -20°C, -40°C, and 0°C settings). The temperature uniformity is even less than 1°C, ensuring it meets the stringent testing requirements of domestic, joint-venture, foreign-invested, and export customers.