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

Thermal Shock Test Chamber

The DHT® Thermal Shock Test Chamber is specifically engineered to withstand extreme temperature testing, integrating key advantages such as precise temperature control, modular structural design, and extended service life. It supports an ultra-wide temperature range—from -70°C to +250°C—with a high control accuracy of up to ±0.5°C. Equipped with the self-developed DHSPLCON™ intelligent control system, the […]

Benchtop Temperature Chamber

The DHT® Benchtop Temperature Chamber is specifically designed to address laboratory space constraints while meeting the precision demands of rigorous testing scenarios. As a compact benchtop chamber with a minimal footprint, it maximizes usability without compromising performance, making it ideal for space-limited research environments. Equipped with DHSPLCON intelligent temperature control technology and core components sourced […]

Fast Change Rate Test Chamber

The DHT® Fast Change Rate Test Chambers 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 […]

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 […]

Temperature and Humidity Test Chamber

The DHT® DHTH Series High-Low Temperature Humidity Test Chamber is a precision laboratory device designed to simulate environmental temperature fluctuations. It enables rapid and controlled high- and low-temperature cycling, making it ideal for environmental adaptability, reliability, and lifespan testing of materials, electronic products, automotive components, aerospace equipment, and research applications. Featuring a wide temperature range, […]

Ultra Low Humidity Chamber

The DHT® Ultra Low Humidity Chamber, developed by the DHT® European R&D Center, is precision environmental simulation devices developed for demanding applications in electronics, electrical engineering, materials science, and aerospace. Designed with a modular, compact structure, the series offers capacities ranging from 16L to 1500L (e.g., DHTSLH-16, DHTSLH-1000), making it suitable for space-constrained laboratories and […]

Drive-in Chambers

The DHT® Drive-in 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, and environmental stress screening. […]