Test EQ

Climatic Test Chamber for Temperature & Humidity Reliability Testing

TestEQ Climatic Test Chambers are designed for controlled temperature and humidity testing of electronic components, automotive parts, batteries, aerospace equipment, materials, and other products requiring environmental reliability validation.

Standard systems provide temperature ranges from -70°C to +180°C and humidity control from 10%RH to 98%RH, with programmable temperature and humidity profiles for long-duration reliability testing, environmental qualification, aging, and cyclic climate testing.

TestEQ provides standard, benchtop, large-capacity, and custom climatic test chamber configurations based on product dimensions, test standards, temperature range, humidity requirements, and test cycle profiles.

What Is a Climatic Test Chamber?

A climatic test chamber is an environmental simulation system used to reproduce controlled temperature and humidity conditions.

It allows engineers to expose products to defined environmental conditions and evaluate their performance, durability, reliability, and potential failure mechanisms.

Typical climatic tests include:

• High-temperature testing

• Low-temperature testing

• Temperature cycling

• Humidity exposure

• Damp heat testing

• Condensation testing

• Environmental aging

• Reliability qualification

• Accelerated environmental testing

Unlike a simple temperature chamber, a climatic test chamber combines temperature control with humidity control to reproduce more realistic environmental conditions.

How Does a Climatic Test Chamber Work?

A climatic test chamber uses an integrated heating, refrigeration, humidification, airflow circulation, and control system.

Temperature Control

A refrigeration system provides low-temperature operation while electrical heating provides high-temperature control. The controller continuously adjusts heating and cooling output according to the programmed test profile.

Humidity Control

A humidification system introduces controlled moisture into the chamber. Temperature and humidity sensors continuously monitor the chamber environment and provide feedback to the control system.

Airflow Circulation

A controlled airflow system distributes conditioned air throughout the working space to improve temperature and humidity uniformity.

Programmable Control

Engineers can define temperature, humidity, dwell time, ramp conditions, and repeated cycles through programmable test profiles.

This allows the chamber to perform repeatable environmental reliability tests without continuous manual adjustment.

What Can Climatic Testing Detect?

Temperature and humidity testing can help identify environmental failure mechanisms such as:

• Moisture-induced electrical failure

• Corrosion

• Insulation degradation

• Seal and gasket deterioration

• Material expansion and contraction

• Condensation-related damage

• Adhesive degradation

• Component aging

• Early-life reliability failures

The test results can be used to improve product design, material selection, packaging, and manufacturing quality.

Climatic Test Chamber vs Environmental Test Chamber

Which one should you choose?
If your primary test requirement is controlled temperature and humidity, a Climatic Test Chamber is usually the appropriate solution. If your qualification program requires additional environmental stresses such as altitude, vibration, corrosion, dust, or water ingress, a specialized Environmental Test Chamber or combined environmental testing system may be more suitable. The actual chamber should always be selected according to the required test conditions, product dimensions, test profile, and applicable standard. 

Climatic Chamber vs Thermal Cycling Chamber

Choose a Climatic Chamber when temperature and humidity control are required. Choose a Thermal Cycling Chamber when rapid and repeated temperature changes are the primary test requirement.

Custom Climatic Test Chamber Solutions

Not every reliability test can be completed with a standard laboratory chamber.

TestEQ can customize climatic test chambers according to:

• Product dimensions

• Test sample quantity

• Required chamber volume

• Temperature range

• Humidity range

• Temperature change rate

• Test cycle profile

• Door and access requirements

• Cable ports and electrical feedthroughs

• Product fixtures

• Remote monitoring

• Data recording

• Safety systems

• Special atmosphere requirements

Custom systems can be developed from laboratory-scale chambers to large environmental simulation systems.

Why Choose TestEQ for Climatic Test Chamber Solutions?

TestEQ provides environmental simulation equipment for reliability testing, qualification testing, and product development.

Our climatic chamber solutions focus on:

Engineering-Based Customization

Chamber dimensions, environmental ranges, fixtures, control systems, and test profiles can be adapted to specific customer requirements.

Temperature and Humidity Control

The system is designed to maintain stable temperature and humidity conditions during long-duration testing and cyclic environmental profiles.

International Test Requirements

Test systems can be configured around international environmental testing requirements including IEC 60068, ISO 16750, MIL-STD-810, and JEDEC.

Laboratory to Industrial Scale

TestEQ supports standard laboratory chambers as well as larger environmental simulation systems for automotive, battery, aerospace, electronics, and industrial applications.

Technical Support

Our engineering team can evaluate your sample dimensions, test standard, temperature range, humidity range, and cycle requirements before recommending a suitable configuration.

Optional Configurations：

Depending on the application, TestEQ climatic chambers can be configured with:

• Low-humidity package

• Rapid temperature change capability

• LN₂ or CO₂ assisted cooling

• Remote monitoring

• Ethernet communication

• Data logging

• Multi-zone temperature control

• Product-specific fixtures

• Safety monitoring systems

• Battery testing safety configuration

• Custom chamber dimensions

• Walk-in configuration

How to Select the Right Climatic Test Chamber

Before purchasing a climatic chamber, engineers and procurement teams should define:

1. Product Size

Determine the sample dimensions, quantity, fixtures, and required working space.

2. Temperature Range

Define the lowest and highest required test temperatures.

3. Humidity Range

Determine the required relative humidity range and whether low-humidity testing is required.

4. Test Standard

Identify the applicable IEC, ISO, MIL-STD, JEDEC, automotive, aerospace, or customer-specific test method.

5. Test Profile

Define temperature ramp, dwell time, humidity conditions, number of cycles, and total test duration.

6. Chamber Configuration

Choose between benchtop, floor-standing, large-capacity, or walk-in systems according to the application.

7. Safety Requirements

Battery, energy-storage, or other high-risk applications may require additional safety monitoring, ventilation, fire suppression, or explosion-protection configurations.

Climatic Test Chamber Standards

TestEQ climatic test chambers can be configured for testing associated with major international environmental and reliability standards, including:

IEC 60068

IEC 60068 provides a broad framework for environmental testing, including low temperature, dry heat, temperature change, damp heat, and other environmental conditions.

IEC 60068-2-1

Low-temperature testing for evaluating product performance under cold environmental conditions.

IEC 60068-2-2

Dry-heat testing for evaluating product performance at elevated temperatures.

IEC 60068-2-14

Testing related to temperature change and thermal cycling.

IEC 60068-2-78

Damp-heat steady-state testing under controlled high-humidity conditions.

ISO 16750

Environmental testing requirements for electrical and electronic equipment used in road vehicles.

JEDEC JESD22

Semiconductor reliability test methods covering temperature, humidity, bias, thermal cycling, and related environmental stresses.

MIL-STD-810

Environmental engineering and laboratory testing requirements for equipment subjected to environmental stresses.

For a specific qualification requirement, chamber configuration should be selected according to the applicable test method, sample size, temperature/humidity profile, and acceptance criteria.

Frequently Asked Questions

1.What is a climatic test chamber?

A climatic test chamber is a controlled environmental simulation system that regulates temperature and humidity to evaluate product reliability, durability, aging, and environmental resistance.

2.What is the difference between a climatic chamber and an environmental test chamber?

A climatic chamber primarily controls temperature and humidity. An environmental test chamber is a broader category that can include temperature, humidity, altitude, vibration, thermal shock, corrosion, and other environmental stresses.

3.What temperature range can a climatic test chamber achieve?

TestEQ standard configurations can provide temperature ranges from approximately -40°C to +180°C or -70°C to +180°C, depending on the chamber model and configuration.

4.What humidity range can a climatic test chamber achieve?

Standard configurations can provide approximately 10%RH to 98%RH. Special low-humidity configurations can be considered for applications requiring lower relative humidity.

5.What tests can be performed in a climatic test chamber?

Typical tests include temperature testing, humidity testing, temperature cycling, damp heat, condensation, environmental aging, reliability qualification, and accelerated environmental testing.

6.Which industries use climatic test chambers?

Common applications include electronics, semiconductors, automotive, EV batteries, aerospace, defense, materials, industrial equipment, laboratories, and research and development.

7.How do I choose the right climatic test chamber?

Selection should be based on product size, required temperature and humidity range, test standard, test profile, sample quantity, chamber volume, and any special safety or fixture requirements.

8.Can TestEQ manufacture custom climatic test chambers?

Yes. TestEQ can engineer custom chamber dimensions, temperature and humidity ranges, fixtures, control systems, monitoring functions, and special configurations according to the customer's test requirements.

9.How can I request a climatic test chamber quotation?

Provide your product dimensions, sample quantity, required temperature range, humidity range, applicable test standard, and test cycle. TestEQ's engineering team can use this information to recommend a suitable configuration.

Internal Linking Module

Recommended Equipment

• Thermal Cycle Testing Chamber

For accelerated reliability and ESS testing with rapid temperature transitions up to 25°C/min. Ideal for electronics, automotive, semiconductor and aerospace applications.

• Walk-In Environmental Test Chamber

Designed for large-scale environmental simulation of complete products, battery packs, automotive components and industrial equipment under temperature and humidity conditions.

• Temperature Humidity Test Chamber

Explore TestEQ temperature and humidity test chambers for controlled environmental reliability testing, aging, and qualification applications.

Related Standards

• ISO 16750-4 Climatic Test Chamber Test Method

Automotive environmental testing standard covering temperature cycling, humidity testing and durability validation of vehicle electronic components.

• IEC 60068 Environmental Testing Standard

Comprehensive international environmental testing standard covering temperature, humidity, thermal cycling, vibration and reliability qualification testing.

• JEDEC JESD22 Reliability Standards

Learn about JEDEC JESD22 reliability test methods for semiconductor temperature, humidity, thermal cycling, and environmental testing.

Technical Resources

• What Is an Environmental Chamber?

Learn the fundamentals of environmental simulation, temperature humidity testing, and reliability qualification for industrial products.

• Temperature Humidity Bias Test (THB): Complete Guide to Standards, Procedure and Applications

Discover THB testing principles, JEDEC standards, test procedures, failure mechanisms and reliability applications for semiconductor and electronic products.

• Thermal Cycling vs Temperature Cycling

Understand the differences between thermal cycling and temperature cycling, including test conditions, applications, and chamber selection.

Climatic Test Chamber Applications:

TestEQ climatic chambers are used across industries where temperature and humidity reliability are important.

Electronics and Semiconductor

Used for environmental qualification, temperature cycling, humidity exposure, component reliability, and accelerated aging.

Automotive

Used to evaluate electronic components, sensors, connectors, displays, control modules, and other vehicle components under temperature and humidity conditions.

EV Battery and Energy Storage

Used for environmental simulation of battery cells, modules, battery components, and energy storage equipment. Safety configurations can be engineered according to the test requirements.

Aerospace and Defense

Used for environmental qualification of electronic equipment and components exposed to temperature and humidity variations.

Materials and Industrial Products

Used for durability, aging, moisture resistance, and environmental reliability evaluation.

Research and Development Laboratories

Used to reproduce controlled environmental conditions during product development and failure analysis.

Call To Action：

Looking for a Reliable Climatic Test Chamber?

Whether you need a benchtop temperature humidity chamber, a walk-in environmental test chamber, or a custom reliability testing solution, TestEQ can provide tailored systems to meet your testing requirements.

With over 20 years of experience in environmental simulation, our chambers support international standards including IEC 60068, ISO 16750, MIL-STD-810, JEDEC, and RTCA DO-160.

Send us your:

• Test standard

• Product dimensions

• Sample quantity

• Temperature range

• Humidity range

• Test cycle

• Required chamber volume

TestEQ can recommend a suitable climatic test chamber configuration for your application.

"Contact our engineers today for customized climatic test chamber solutions tailored to your application."