Test EQ

TestEQ Unveils Groundbreaking 25°C/min Linear Rapid Rate Thermal Cycling Chamber, Setting New Standards for Accelerated Stress Testing
Release time:  2025-12-29 11:00:58

Technical Innovation and Application Prospects of Rapid Rate Thermal Cycling Chamber

The Rapid Rate Thermal Cycling Chamber, as a core equipment in the field of environmental simulation testing, has seen a significant increase in demand in industries such as electronics, aerospace, and new energy. Its core technology lies in achieving high-precision temperature changes (ranging from 5°C/min to 25°C/min) and a wide temperature range (-70°C to +200°C), to meet the reliability verification requirements of products in extreme environments. The ESS stress screening chambers launched by TestEQ support a maximum temperature change rate of 30°C/min, which can simulate rapid transitions from extreme cold to high temperatures, effectively exposing material thermal fatigue defects. The equipment achieves efficient heat exchange through air cooling or liquid nitrogen refrigeration systems and is equipped with multiple safety protection mechanisms (such as compressor overpressure protection, phase sequence detection, etc.), ensuring the stability of the testing process.


[City, State] – [Date] – TestEQ, a rising innovator in environmental test solutions, has announced the launch of its latest breakthrough product: the Linear 25°C Rapid Rate Thermal Cycling Chamber. This state-of-the-art system is engineered to meet the surging demand for high-aggression reliability testing in the aerospace, automotive, and consumer electronics sectors.

As the industry pushes toward miniaturization and higher power densities, the need for precise and extreme environmental simulation has never been greater. TestEQ's new chamber addresses this critical gap by delivering a linear temperature change rate of up to 25°C per minute under load, allowing manufacturers to drastically reduce test cycle times while simultaneously increasing the mechanical stress on materials.

Precision Engineering Meets Extreme Performance
TestEQ has released the full technical specifications for the new chamber, highlighting its ability to maintain strict tolerances even during rapid transitions. The system operates across a wide temperature range of -70°C to +200°C, making it suitable for everything from severe cold soak tests to high-temperature burn-in procedures.

Engineers will appreciate the chamber's stability and uniformity. In no-load steady state, the system achieves a temperature deviation of ≤ ±2.0°C, with temperature uniformity maintained at ≤ 2.0°C across the workspace. For applications requiring fine control, the temperature fluctuation is held to ≤ ±0.5°C, ensuring that sensitive components are not subjected to unintended thermal noise during critical measurement phases.

Verified Performance Under Realistic Load Conditions
Unlike competitive systems that only quote no-load performance, TestEQ has validated the chamber's 25°C/min capability under representative test conditions. The temperature change rates are certified with a 20kg load (aluminum block or LCM sample) , ensuring that the published specifications reflect real-world testing scenarios:

  • Heating Rate (Linear): 5 to 25°C/min within the standard operating range of -40°C to 85°C, utilizing high-efficiency electric heating elements.

  • Cooling Rate (Linear): 5 to 25°C/min within the range of 85°C to -40°C, leveraging advanced mechanical refrigeration with eco-friendly refrigerants.

"Modern electronics, particularly those used in electric vehicles and 5G infrastructure, require validation under brutal conditions," said [Name], [Title] at TestEQ. "Our new 25°C linear system is designed to simulate 'worst-case scenario' field failures in a lab setting. By combining this rapid linear ramp rate with tight uniformity tolerances—even under a 20kg load—we are helping engineers compress decades of thermal stress into weeks."

Key Features Highlighted in the Release:

  • Extreme Thermal Range: Spans from -70°C to +220°C to cover the most demanding industry standards.

  • True Linear Control: Maintains a precise 5 to 25°C/min change rate without plateau deviations, verified under load.

  • High Stability: Temperature fluctuation of ≤ ±0.5°C ensures data integrity during sensitive tests.

  • Energy Efficiency: Incorporates variable-speed drives and advanced refrigeration to reduce operational costs despite the high output.

  • Advanced HMI: Features a high-resolution touchscreen controller with data logging capabilities compliant with major industry standards (e.g., IEC, MIL-STD).

Industry analysts note that the introduction of such high-speed linear testing equipment is critical as the automotive sector shifts to 800V architectures and as defense contractors seek more rigorous screening for mission-critical components.

The TestEQ Linear 25°C Rapid Rate Thermal Cycling Chamber is now available for order, with first deliveries slated for Q3 2024. The company will be showcasing the system live at the upcoming International Test & Measurement Expo in Chicago.

About TestEQ
TestEQ is a leading provider of environmental test chambers and reliability solutions. Focused on precision engineering and energy efficiency, TestEQ supports global manufacturers in delivering safer, more durable products through accelerated life testing.


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