DHT® Environmental Test Chambers

High performance, exceptional stability, high precision

Founded in 2010, Doaho Test Equipment (Shanghai) Co., Ltd. (DHT®) is a high-tech enterprise specializing in the R&D, manufacturing, sales, and technical services of reliability environmental test chambers.

Our solutions include thermal shock chambers for automotive parts ensuring ECU reliability, climatic test chambers for aerospace and defense applications, and walk-in test chambers engineered for full-size electric vehicle battery pack testing. Additionally, we offer a compact benchtop environmental chamber for R&D labs, ideal for precise testing in smaller workspaces, as well as a high-performance thermal shock test chamber designed to simulate extreme conditions for critical material and component testing. We are committed to delivering precise and efficient environmental simulation solutions that drive product quality and innovation across industries.

Backed by a strong in-house R&D team and proprietary technologies, Doaho focuses on Dynamic Heat Testing and Dynamic Humidity Testing, enabling accurate simulation of complex environmental conditions to evaluate the performance and reliability of materials and devices. With innovation at our core, Doaho is proud to be a trusted partner in the field of environmental testing.

Our Advantages

Our self-developed CHDHT intelligent control system integrates dynamic heat and humidity testing technologies, simulating extreme environmental conditions and ensuring precise temperature control, providing efficient and reliable testing solutions.
We offer imported-level equipment quality with localized pricing and services, helping clients reduce costs and enhance competitiveness.
Our equipment has a lifespan of 25 years and a failure rate of less than 1%, ensuring long-term reliability for customers.
Our products are ISO9001 and CE certified, with multiple patents, proving our technological strength and the global recognition of our product quality.
We have strong production capabilities and can design and manufacture various types of test chambers to meet our customers' specific requirements, including aging test chambers for electronics and fast ramp rate thermal chambers, among others.

Hot Products

UV Aging Test Chamber

The DHT® UV Aging Test Chamber is a high-precision accelerated weathering test system designed to simulate the damaging effects of ultraviolet radiation and moisture exposure found in natural environments. Utilizing high-performance fluorescent UV lamps, this chamber replicates key environmental stressors—including UV light, rainfall, elevated temperature, high humidity, condensation, and darkness—within a fully automated cyclic test […]

Benchtop Temperature Test Chamber

The DHT® Benchtop Temperature Test Chamber is engineered to solve laboratory space constraints while delivering the precision needed for demanding testing scenarios. As a small footprint benchtop temperature humidity test chamber, it maximizes utility without compromising performance—perfect for compact research environments. Designed to support a broad spectrum of applications, it excels in early-stage validation tasks […]

Temperature Rapid Change Test Chamber

The DHT® Temperature Rapid Change Test Chamber is a high-performance environmental testing solution engineered to simulate fast temperature fluctuations for evaluating product reliability and durability. It is specially designed for electronic components, automotive electronics, aerospace systems, and high-performance materials that must withstand sudden thermal transitions. Capable of achieving rapid temperature change rates, this chamber supports […]

Thermal Shock Test Chamber

The DHT® Thermal Shock Test Chamber evaluates material performance under sudden, extreme temperature changes, crucial for electronics like circuit boards and semiconductors. It ensures products withstand rapid thermal transitions encountered in real use. Available in air-to-air and advanced three-zone models with capacities from 27 to 1000 liters, the chamber suits various sample sizes—from small electronics […]

High and Low Temperature Humidity Test Chamber

The DHT® DHTH Series High-Low Temperature Humidity Test Chambers, developed by the DHT® Europe R&D Center, are designed to deliver precise and reliable environmental simulation testing in compact spaces such as universities, research institutes, and specialized laboratories. With their space-efficient structure and robust performance, these chambers are ideal for applications requiring stable thermal and humidity […]

Ultra Low Humidity Test Chamber

The DHT® Ultra Low Humidity Chamber, developed by the DHT® European R&D Center, is engineered to meet demanding high-precision environmental simulation requirements. It delivers exceptional temperature and ultra-low humidity control, creating a highly stable test environment for evaluating product performance under extreme climatic conditions. Widely applied in electronics, electrical appliances, instruments, and materials research, this […]

Walk-in Temperature & Humidity Test Chamber

The DHT® Walk-In Temperature and Humidity Test Chamber is a high-performance environmental testing solution designed for precise control of temperature and humidity across large equipment, vehicle components, or high-volume sample batches. Built for reliability and stability, it is widely used in electronics, electrical engineering, materials science, and automotive manufacturing for long-term reliability testing, aging studies, […]