Key Features：
Two-zone vertical or horizontal basket transfer system
Temperature range: -65°C to +200°C
Fast transfer time: ≤10 seconds
High thermal recovery efficiency
Stable long-term continuous operation
±0.5°C temperature stability
Supports high-cycle ESS testing programs
Compatible with MIL-STD-810, IEC 60068, JESD22 standards
Key Specifications：
| Serial | Capacity ( L ) | 2.1 | 4.5 | |
| number | ||||
| 1 | Model | Vertical Thermal testchamber (2-Zone) | ETS12-20A-L | ETS15-4.5A-L |
| 2 | Internal Dimension | 120x150x120 | 150x150x200 | |
| WxHxD (mm) | ||||
| 3 | External Dimension | 1140x1785x1240 | 1200x1785x1320 | |
| WxHxD (mm) | ||||
| 4 | Experimental area capacity(L) | Test sample basket capacity (uniform load) 1.0 kg | Test sample basket capacity (uniform load) 2.0 kg | |
| 5 | Internal dimensions of the high and the low-temperature zone WxHxD (mm) | 260x350x440 (40L) | 290x350x520(52L) | |
| 6 | Liquid temperature | High temp. | +150°℃(or 200℃-optional) | |
| Low temp. | -65℃ | |||
| 7 | Exposure Time of | Exposure duration | Max high-low temperature: 5minutes | |
| High/Low Temperature | Recycle time | High-low temp: 15 times | ||
| Test sample Plastic IC | 1.0KG | 2.0KG | ||
| 8 | Heat slot | Temp.range | +70°C to +200°C | |
| Temp.fluctuation | ±2 ˚C | |||
| Raising speed | within 90 minutes From RT to +150℃（setting 155℃） | |||
| Falling speed | within 60 minutes | within 100 minutes | ||
| From RT to 150℃ to +60℃（setting 40℃） | ||||
| 9 | Cold slot | Temp.range | -65℃ to 0℃ | |
| Temp.fluctuation | ±2 ˚C | |||
| Raising speed | within 60 minutes | within 65minutes | ||
| From RT to -65℃ to 0℃（setting 30℃） | ||||
| Falling speed | within 120 minutes | within 90 minutes | ||
| From -65℃ to 0℃（setting 30℃） | ||||
Limited-Calibration Offer: Free Accuracy Report with Inquiry
Product Overview:
The Two-Zone Thermal Shock Test Chamber is designed for high-intensity reliability testing where test specimens are rapidly transferred between a high-temperature zone and a low-temperature zone.
Unlike gradual thermal cycling systems, the two-zone configuration enables instant thermal exposure changes, allowing engineers to evaluate material fatigue, solder joint integrity, and structural reliability under extreme temperature differentials.
This system is widely used in semiconductor, automotive electronics, aerospace, and defense industries for accelerated life testing and failure analysis.
Working Principle:
The two-zone thermal shock system operates by alternating the test sample between:
A high-temperature chamber
A low-temperature chamber
A mechanical basket system rapidly transfers the specimen between both zones, creating instant thermal stress without intermediate temperature transition.
This mechanism is ideal for detecting:
Thermal expansion mismatch failures
Material fatigue under extreme gradients
Micro-cracks in solder joints and IC packages
Two-Zone vs Three-Zone Thermal Shock
| Feature | Two-Zone | Three-Zone |
|---|---|---|
| Structure | Hot + Cold zones | Hot + Cold + Test zone |
| Transfer Method | Basket movement | Airflow switching |
| Speed | Faster transition | More stable testing |
| Application | Electronics, PCB | High-precision validation |
| Cost | Lower | Higher |
Why Choose This System:
More efficient than traditional thermal cycling systems
Reduced test time for high-volume validation
Flexible configuration for different product sizes
Proven reliability for industrial-grade testing environments
Optional Configurations:
Vertical lift or horizontal sliding transfer system
LN2-assisted ultra-low temperature module
Multi-basket testing system
Remote monitoring & data logging system
Custom chamber volume design
FAQ：
What is a two-zone thermal shock test chamber?
It is a thermal testing system that rapidly transfers samples between hot and cold zones to simulate extreme thermal stress conditions.
What is the difference between two-zone and three-zone thermal shock chambers?
Two-zone systems use direct transfer between hot and cold chambers, while three-zone systems include a test zone for improved stability.
What industries use two-zone thermal shock testing?
It is widely used in semiconductor, automotive, aerospace, and electronics manufacturing industries.
What standards does it comply with?
It supports MIL-STD-810, IEC 60068, and JEDEC reliability testing standards.
Why is two-zone faster?
Because it uses a mechanical basket transfer system instead of airflow transition, reducing cycle time significantly.
Applications：
The two-zone thermal shock test chamber is widely applied in:
Semiconductor packaging reliability testing
Automotive ECU and sensor validation
Aerospace electronic component qualification
PCB solder joint fatigue testing
Military-grade electronic system testing
Advanced material thermal stress research
Especially suitable for products requiring high cycle thermal stress screening
Call To Action：
"Contact us for a customized two-zone thermal shock test chamber solution."
Our engineering team will help you design the right configuration based on your testing requirements.
We will contact you within 1 working day, please pay attention to the email with
the suffix "@test-eq.com".
We will contact you within 1 working day, please pay attention to the email with the suffix "@test-eq.com".
P.IVA: 91441900MAECQJHY37 Guangdong Test EQ Equipment Co., Ltd. | All Rights Reserved
