Thermal Shock Test Chamber | Fast Temperature Change Reliability Testing for Materials & Products
The CTS-100L Two-Slot Thermal Shock Test Chamber is designed to evaluate the resistance of electronic components, automotive parts, battery modules, and materials against sudden temperature changes.
Featuring independent hot and cold chambers with automatic sample transfer, it enables fast thermal cycling between extreme temperatures to identify defects caused by thermal stress, expansion, contraction, and material fatigue.
Key Advantages
- Independent Hot and Cold Chamber Design
Separate hot and cold zones enable rapid sample transfer between extreme temperatures, improving thermal shock testing efficiency and repeatability.
- Precise Temperature Control System
High-accuracy sensors and PID control technology ensure stable temperature performance and reliable test results.
- Durable SUS304 Stainless Steel Chamber
The corrosion-resistant SUS304 inner chamber provides excellent durability for long-term laboratory operation.
- Intelligent PLC Touch Screen Control
Programmable test cycles, automatic operation, real-time monitoring, and data recording simplify testing procedures.
- Space-Efficient Laboratory Design
Compact structure reduces installation requirements while maintaining reliable thermal performance.
- Complete Test Data Management
Supports temperature curve display, data storage, and test report export for quality analysis and traceability.
Technical Sheet
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Model |
CTS-50L |
CTS-100L |
CTS-150L |
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Inner size of each zone |
350x350x400 mm |
500x400x500 mm |
600x500x500 mm |
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Structural design |
Two test zones (Hot chamber and cold chamber) |
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External chamber size |
The external size should be subject to the physical object |
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Temp. range |
-40 ~ +150 ℃ |
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Preheating temp. range |
RT~+200 ℃ |
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Precooling temp. range |
-10~ -60℃ |
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Preheating time |
RT~ +200℃ need about 30min, average, nonlinearity, no load |
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Precooling time |
RT~ -60℃ need about 60min, average, nonlinearity, no load |
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Temperature fluctuation |
≤±0.5℃ |
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Temperature deviation |
≤±2℃ |
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Temperature uniformity |
≤±2℃ |
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Structure and materials |
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External chamber |
Stainless steel mirror paint |
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Inner chamber |
SUS304 # stainless steel plate |
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Insulating layer |
Hardamine lipid foam and glass cotton |
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Max load of chamber |
5KG~20KG |
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Door |
Two independent door |
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Seal |
Original imported silicone seal strip |
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Transportation method |
Use chain to transport basket between hot chamber and cold chamber |
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Heating and cooling system |
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Heating system |
Finned ni-Cr electric heat pipe |
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Cooling system |
French Tecumesh fully enclosed piston compressor or German Bitzer semi-hermetic compressor, two-stage cascade refrigeration |
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Cooling way |
Air cooling or water cooling |
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Details of main components
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Air supply temperature measurement system |
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Air supply characteristic |
High uniformity of upper air discharge and lower air return |
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Circulating motor |
Low voltage asynchronous motor |
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Wind turbine |
Multi-wing centrifugal circulating fan with high and low temperature aluminum alloy blades |
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Sensor |
PT100 platinum resistance temperature and humidity sensor. (wet and dry bulb) |
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Cooling System
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Cooling System |
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Air cooling method |
Piston reciprocating compressor |
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Compressor |
French-Tecumesh fully enclosed piston compressor or German-Bitzer semi-hermetic compressor, |
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Refrigerating fluid |
Non-fluorine environmental refrigerant R404A and R23 |
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Condenser |
Air-cooled fin type (32mm inlet and outlet pipe diameter) |
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Evaporator |
High efficiency multi-stage finned evaporator with hydrophilic membrane (fin thickened) |
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Oil separator |
Emerson AW |
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Expansion valve |
Danfoss thermal expansion valve |
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Magnetic Valve |
Saku Palace and Danfoss in Japan |
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sight glass |
Danfoss |
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Other accessories |
All are international brand quality products (right picture: filter dryer) |
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7Dehumidification |
1. Cryodehumidification by refrigeration system (the air in the box passes through the evaporator at a temperature lower than the dew point, and the water is precipitated). |
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System features |
1 Adopts (BTHC) balanced temperature and humidity regulation mode, automatically switches the flow rate of the refrigeration system according to different working conditions, and cuts off the redundant system in the constant section to maintain energy saving operation and cooling control. 2 Multi-stage evaporator combination, can obtain more uniform and efficient cold volume exchange efficiency and refrigeration output; 3.The flow control is automatically adjusted by the corresponding thermal expansion valve; |
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Heating and cooling system
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Heating system |
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Heating tube |
Bare wire nickel chromium alloy electric heating tube |
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Control mode |
High precision contactless switch control is realized by the output signal of the controller through the SSR solid state relay. (Right picture is Swiss Jiale solid state relay). |
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Applications
The CTS Series Thermal Shock Test Chamber is widely used for reliability verification of:
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✅Consumer electronics components
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✅Automotive electronic modules
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✅Semiconductor devices and IC packages
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✅PCBs and circuit assemblies
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✅New energy battery components
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✅Sensors and precision instruments
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✅Rubber, plastic, and composite materials
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✅Communication equipment
Supported Test Types
The CTS-100L Two-Slot Thermal Shock Test Chamber is designed to perform rapid temperature transition tests and environmental stress simulations for evaluating product reliability, durability, and failure resistance. Typical test types include:
| Test Type | Typical Test Procedure | Purpose |
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| Thermal Shock Test | Samples are automatically transferred between the high-temperature chamber and low-temperature chamber according to programmed cycles. Extreme temperature changes are applied within a short transition time. | Evaluates resistance to sudden temperature changes and identifies failures caused by thermal stress, expansion, contraction, and material fatigue. |
| High Temperature Exposure Test | Samples are placed in the hot chamber and maintained at elevated temperatures (up to +200°C preheating conditions) for a specified period. | Verifies heat resistance, thermal stability, component performance, and material reliability under high-temperature environments. |
| Low Temperature Exposure Test | Samples are exposed to low-temperature conditions in the cold chamber (down to -60°C precooling conditions) for a defined duration. | Evaluates cold resistance, startup capability, mechanical performance, and material behavior under low-temperature environments. |
| Temperature Cycling Test | The chamber performs repeated hot and cold temperature cycles according to programmed temperature profiles. | Detects defects caused by repeated thermal expansion and contraction, such as solder cracks, bonding failure, seal damage, and material fatigue. |
| Rapid Temperature Change Test | Test specimens experience fast transitions between high and low temperature zones through automatic basket transfer. | Simulates sudden environmental temperature variations to evaluate product durability and structural reliability. |
| Thermal Stress Test | Components are subjected to repeated extreme temperature differences to generate internal thermal stress. | Identifies potential weaknesses in electronic assemblies, semiconductor packages, batteries, and composite materials. |
| Component Reliability Test | Electronic components, automotive parts, PCBs, sensors, and other products undergo customized thermal shock cycles. | Validates product reliability before mass production, certification, or field application. |
| Material Fatigue Test | Materials are repeatedly exposed to alternating high and low temperature conditions. | Evaluates long-term durability, aging characteristics, dimensional stability, and resistance to thermal deformation. |
| Battery Thermal Shock Test | Battery modules or cells are exposed to rapid temperature transitions according to specific safety evaluation procedures. | Assesses battery structure stability, safety performance, and resistance to thermal environmental stress. |
Applicable Environmental Test Standards
| Standard | Typical Test |
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| IEC 60068-2-14 | Change of Temperature (Thermal Shock Test) |
| MIL-STD-810H Method 503.7 | Temperature Shock Test |
| GB/T 2423.22 | Temperature Change Test |
| JESD22-A104 | Temperature Cycling Test for Semiconductor Devices |
| JEDEC JESD22-A106 | Thermal Shock Testing for Electronic Components |
| ISO 16750-4 | Road Vehicle Environmental Conditions – Climatic Loads |
| GJB 150.5A | Temperature Shock Environmental Test |
Note: The CTS-100L is capable of performing thermal shock and temperature cycling procedures referenced in the above standards. Actual test conditions, transition time, cycle number, and temperature limits depend on the selected test program, specimen characteristics, and applicable industry requirements.
FAQ
Q1: What temperature range does CTS-100L support?
The CTS-100L two-slot thermal shock test chamber covers a temperature range of -40℃ to +150℃, with preheating up to +200℃ and precooling down to -60℃, fully meeting mainstream industrial reliability test requirements.
Q2: What industries and products is this chamber suitable for?
It is widely used for reliability testing of electronic components, PCBs, IC chips, sensors, automotive electronics, new energy battery parts, communication devices and precision industrial materials.
Q3: What international standards does the CTS-100L comply with?
It follows classic testing standards including IEC 60068-2-14, MIL-STD-810H and GB/T 2423.22, suitable for laboratory R&D, quality inspection and factory batch sampling tests.
Q4: What is the temperature accuracy and uniformity?
Temperature fluctuation ≤ ±0.5℃；Temperature deviation and uniformity ≤ ±2℃，ensuring stable and repeatable test data.
Q5: What is the difference between a two-slot thermal shock chamber and a single-chamber temperature cycling chamber?
A two-slot thermal shock chamber uses separated hot and cold zones to transfer samples quickly between extreme temperatures, creating rapid thermal stress. Compared with conventional temperature cycling chambers, it provides faster temperature transitions and better simulation of sudden environmental changes.
Q6: What standards can the CTS-100L be used for?The CTS-100L can be used for thermal shock testing according to IEC 60068-2-14, MIL-STD-810H, and GB/T 2423.22 requirements, depending on customer testing procedures and product specifications.
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Full-Spectrum Sunlight: Replicates natural 280nm–800nm sunlight with a 1.8KW air-cooled xenon lamp.
Uniform Exposure: Dynamic rotating sample rack ensures 100% uniform testing with zero dead zones.
Smart Irradiance: Automated closed-loop control and compensation from 0 to 1200 W/m².
Climate Precision: Ambient to 85°C temperature and 20%–98% RH humidity synchronization.
Premium Build: Mirror-finish SUS304 stainless steel interior for maximum light reflection.
