High-end bench-top thermal test chambers for demanding battery reliability testing.
Building on NEWARE's established reputation as a leading global manufacturer of new energy testing equipment, the WGDW-20L Desktop High-Low Temperature Test Chamber represents a breakthrough in compact thermal control technology. This system merges unmatched temperature stability with a user-centric, space-saving design, leveraging advanced inverter cooling and precision control technology—the latest innovation in bench-top thermal testing. This ultra-compact test chamber features wide temperature range, high-precision temperature control, fast heating/cooling rates, anti-fog observation, and seamless integration with battery testing workflows, amongst many other high-end functions. The result is a powerful, space-efficient system suitable for any organization specializing in battery testing and research, from industry to academia, quality control to certification.
Core advantage: compact design, uncompromised performance
The WGDW-20L series adopts a desktop-intensive design, addressing the critical pain point of limited laboratory space. On the premise of not sacrificing test performance and effective volume, it achieves the ultimate streamlining of the body size, making it an ideal desktop alternative to traditional floor-standing high-low temperature test chambers. This design adapts to various compact test scenarios globally, greatly improving laboratory space utilization while maintaining the full functionality required for rigorous battery testing.
Compared with similar products, the WGDW-20L stands out with its ultra-compact form factor and enhanced mobility. Combined with a humanized design that balances stability and practicality, it can be flexibly placed without professional handling equipment—supporting rapid switching between R&D labs, quality control stations, and pilot production lines, adapting to the diverse needs of the battery value chain.
Key size parameters
Overall dimensions: W17.3"×D21.7"×H20.7" (W440 mm×D550 mm×H525 mm (including the height of protrusions))
Internal chamber dimensions: W14.2"×D7.9"×H9.8" (W360 mm×D200 mm×H250 mm)
Net weight: Approx. 40 kg
Nominal internal volume: 18L
Key technical parameters
Temperature range: -4°F ~ 185°F (-20℃～85℃)
Temperature fluctuation: ≤±0.5℃ (no load, when temperature is stable)
Temperature deviation: ±2℃ (no load, when temperature is stable)
Heating time: 68°F→185°F ≤30 min (+20℃→85℃ ≤30 min, no load, average non-linear)
Cooling time: 68°F→-4°F ≤45 min (+20℃→-20℃ ≤45 min, no load, average non-linear)
Cooling compressor: Inverter Compressor
Control mode: Anti-integral Windup PID, BTC Balanced Temperature Control Mode
Product structure & features
Engineered for Durability & User Convenience. The WGDW-20L adopts a compact structure design that balances practicality and space adaptability, featuring high-quality materials and rigorous craftsmanship. Equipped with an intuitive control system, it not only ensures test stability but also improves operation efficiency—empowering researchers and technicians to focus on test results, not equipment operation.
Housing & insulation
The outer wall is crafted from high-quality cold-rolled steel plate with spray plastic and baking paint treatment, ensuring corrosion resistance and easy cleaning. The inner wall features SUS304 stainless steel, combined with 40mm thick rigid polyurethane foam insulation material—effectively reducing temperature loss and maintaining stable internal temperature. The door is equipped with double-layer silicone rubber sealing strips to further enhance insulation performance, ensuring consistent test conditions.
Observation & loading
Equipped with a multi-layer hollow electric heating film anti-fog observation window (visible range: 180×200mm), allowing real-time observation of sample status in the chamber without interfering with the test environment. It features 2 built-in electrically insulated battery cell trays, specifically designed for 5V100mA16CH button cell testing (8CH per layer)—meeting the needs of small-batch precise testing in R&D and quality control.
Control system
Adopting a high-definition color LCD touch screen with intuitive operation, the WGDW-20L is equipped with anti-integral windup PID and BTC balanced temperature control mode. Combined with a Class A armored PT100 sensor, it achieves a temperature measurement accuracy of 0.01℃—ensuring accurate and reliable test data. It supports both program mode and constant value mode operation, adapting to diverse test requirements.
Safety protection
Comprehensive Safety for Uninterrupted Testing. The WGDW-20L is equipped with a complete safety protection system, fully ensuring the safe operation of the equipment and the integrity of samples. Complying with global laboratory safety standards, it effectively avoids equipment failure and sample damage—providing peace of mind for long-term, continuous testing.
Safety protection details
Refrigeration system protection: Compressor overheating, overload and overpressure protection
Test chamber protection: Adjustable over-temperature protection, abnormal protection of internal circulating fan
Circuit protection: Main power phase sequence and phase loss protection, leakage protection, overload and short circuit protection, power failure recovery protection
Global layout & service
Global layout: NEWARE maintains direct business offices in Japan, South Korea, the United States and Germany, with authorized distributors in every country around the world—ensuring global coverage and accessibility.
Technical support: Provide timely localized technical support and after-sales service, with multilingual user manuals and technical materials covering global needs—supporting seamless operation worldwide.
Quality assurance: Equipment production complies with international general standards, components are strictly selected, and nitrogen-filled protection welding process ensures long-term stable operation—delivering consistent performance for years.
Official inquiry: Refer to NEWARE's international official website for more product and service details—access comprehensive resources anytime, anywhere.
