In the modern automotive landscape, the role of electronics and
electrical systems has become indispensable. These systems govern
everything from engine control and safety features to in-car
entertainment and connectivity. The Customized Walk-In
Environmental Chamber, designed specifically for testing car
electronics and electrical systems, emerges as a crucial tool in
ensuring the seamless operation and reliability of these vital
components.
This state-of-the-art chamber is dedicated to subjecting automotive
electronics and electrical systems, such as engine control units
(ECUs), infotainment systems, sensors, and wiring harnesses, to a
comprehensive range of environmental stressors. It serves
automotive manufacturers, Tier 1 suppliers, and research
institutions. The primary objective is to simulate the diverse and
often harsh conditions that these systems encounter during a
vehicle's lifespan, including temperature extremes, humidity
fluctuations, vibration, and electromagnetic interference. By
conducting thorough tests in this chamber, potential weaknesses and
failure points can be identified and rectified, leading to enhanced
vehicle safety, performance, and customer satisfaction.
- Spacious and Secure Design
- The walk-in chamber is constructed with a heavy-duty framework,
typically made of corrosion-resistant stainless steel or
high-strength alloy. This ensures durability and stability,
allowing for the accommodation of large and complex automotive
electronic assemblies. The interior is designed to provide a
controlled and isolated environment. It is lined with an
electrically conductive and EMI shielding material to prevent
external electromagnetic interference from affecting the test
results and to contain any electromagnetic emissions generated by
the tested systems. The door is engineered with a reliable sealing
mechanism, incorporating a high-quality gasket and a multi-point
locking system, ensuring an airtight and EMI-tight enclosure. The
chamber also features a large viewing window made of toughened,
EMI-shielded glass, allowing for visual inspection of the testing
process without compromising the integrity of the test environment.
- Precision Environmental Control Systems
- Temperature Control: Capable of maintaining a wide temperature
range, from -50°C to +120°C, with an accuracy of ±0.5°C. It
utilizes advanced refrigeration and heating technologies, such as
cascade refrigeration for extreme cold applications and high-power
heating elements for rapid temperature elevation. The control
system incorporates a sophisticated feedback loop, with multiple
temperature sensors strategically placed throughout the chamber,
ensuring uniform temperature distribution and minimal temperature
gradients. The user-friendly control panel allows for precise
programming of temperature profiles, including ramp rates, dwell
times, and cycling sequences, enabling the replication of
real-world temperature variations, such as the cold start of a
vehicle in winter or the heat build-up in an engine compartment
during operation.
- Humidity Control: The humidity control system is equally precise,
capable of achieving humidity levels from 5% to 95% RH (Relative
Humidity), with an accuracy of ±2% RH. It employs a combination of
steam humidifiers and dehumidifiers, along with a carefully
designed air circulation system. The chamber is equipped with
humidity sensors that continuously monitor the internal humidity,
and the control system adjusts the humidification or
dehumidification processes accordingly. This allows for the
creation of stable and dynamic humidity environments, mimicking the
diverse moisture conditions that automotive electronics may face,
from the dry air of a desert to the humid atmosphere of a tropical
region. The system also includes a condensate removal mechanism to
prevent any water accumulation within the chamber, safeguarding the
tested samples and the chamber's internal components.
- Vibration and Shock Simulation: To replicate the vibrations and
shocks experienced by a vehicle during normal driving and in
extreme conditions, the chamber is equipped with a high-performance
vibration and shock test system. It can generate a wide range of
frequencies and amplitudes, simulating everything from the gentle
vibrations of a smooth highway drive to the severe shocks of a
pothole or a collision. The vibration table is adjustable and can
be programmed to follow specific vibration profiles, allowing for
accurate testing of the durability and reliability of electronic
components and their solder joints under different mechanical
stress conditions.
- Electromagnetic Interference (EMI) and Compatibility Testing: The
chamber is designed to conduct comprehensive EMI and compatibility
testing. It is equipped with signal generators, antennas, and
spectrum analyzers to create and measure electromagnetic fields.
This enables the evaluation of how automotive electronics perform
in the presence of external EMI sources, such as radio
transmissions, cell phone signals, or other vehicle electronics. It
can also test the emissions generated by the tested systems to
ensure they do not interfere with other vehicle components. The
chamber can be configured to meet various automotive EMI standards,
such as CISPR 25 and ISO 11452, providing a reliable platform for
ensuring electromagnetic compatibility.
- Advanced Instrumentation and Data Acquisition
- The chamber is outfitted with a comprehensive suite of sensors and
instrumentation. In addition to temperature, humidity, vibration,
and EMI sensors, it includes sensors for measuring electrical
parameters such as voltage, current, and resistance. These sensors
are connected to a state-of-the-art data acquisition system that
records and stores all the relevant data. The data acquisition
system offers a high sampling rate, typically ranging from 100 to
1000 samples per second, ensuring that even the most rapid changes
in environmental conditions or electrical parameters are accurately
captured. The collected data can be accessed and analyzed in
real-time or retrieved later for in-depth studies. The system is
also compatible with automotive-specific data analysis software and
can generate detailed reports and graphs, facilitating the
interpretation and communication of test results.
- Safety and Compliance Features
- The Customized Walk-In Environmental Chamber is designed with
multiple safety features. It has an automatic shutdown system in
case of any critical malfunction, such as overheating,
over-humidity, or excessive EMI levels. The chamber is also
equipped with a fire suppression system, which can quickly
extinguish any potential fires that may occur due to electrical
faults. The EMI shielding and grounding of the chamber are designed
to protect the operators from any harmful electromagnetic
radiation. Additionally, the chamber complies with relevant
automotive testing standards, such as ISO 16750 and SAE J1455,
ensuring that the testing procedures are reliable and recognized
within the industry.
- Chamber Size and Capacity: The walk-in chamber is available in various sizes, with interior
volumes ranging from a few cubic meters to larger configurations
suitable for testing entire vehicle electrical systems. For
example, a smaller chamber might have an interior volume of 5 cubic
meters, while a larger one could be 20 cubic meters or more. The
interior dimensions are optimized for proper air circulation and
uniform environmental parameter distribution, ensuring that all
parts of the tested samples are effectively exposed to the
simulated conditions.
- Temperature Cycling Rate: Can perform temperature cycles at a rate of several cycles per
day, depending on the specific test requirements. For example, it
can conduct 2 to 4 cycles per day between -30°C and +80°C,
subjecting the electronic systems to repeated and rapid thermal
stress, which is essential for evaluating their resistance to
thermal fatigue and their ability to function reliably in
fluctuating temperature environments.
- Humidity Cycling Rate: The humidity can be cycled at a rate that allows for the
simulation of rapid changes in moisture conditions. The chamber can
adjust the humidity levels within a short period, typically within
10 to 30 minutes, depending on the desired test scenario,
replicating the sudden humidity shifts that may occur during a
vehicle's operation, such as driving from a dry garage into a humid
outdoor environment.
- Vibration and Shock Parameters: The vibration system can generate frequencies ranging from 5 Hz
to 2000 Hz, with amplitudes up to 50 mm. The shock pulses can have
durations from 10 milliseconds to 50 milliseconds and accelerations
up to 1000 m/s². These parameters can be adjusted and programmed to
simulate various driving conditions and impacts.
- EMI Testing Range: The chamber can generate and measure electromagnetic fields in
the frequency range from 10 kHz to 18 GHz, covering the frequencies
of most common EMI sources and the operating frequencies of
automotive electronics. The field strengths can be adjusted from a
few volts per meter to several hundred volts per meter, allowing
for comprehensive EMI susceptibility and emission testing.
- Data Acquisition Rate: The data acquisition system can sample sensor data at a rate of
500 samples per second, ensuring that even the most minute and
rapid changes in temperature, humidity, vibration, EMI, or
electrical parameters during the test are accurately recorded and
can be analyzed in detail. This high sampling rate provides
valuable insights into the performance and potential failure modes
of the automotive electronics and electrical systems.
- Compliance with Automotive Standards: Complies with a range of automotive industry standards, including
ISO 16750 for environmental testing, CISPR 25 for electromagnetic
compatibility, and SAE J1455 for vibration and shock testing. This
ensures that the testing is conducted in a consistent and
recognized manner, facilitating market access and compliance with
regulatory requirements for automotive products.
- Accurate Simulation of Automotive Electronic Operating Environments
- The primary function of this test chamber is to provide a highly
accurate and realistic simulation of the environmental conditions
that automotive electronics and electrical systems will face. By
precisely controlling temperature, humidity, vibration, and EMI
levels, it allows for the evaluation of how these systems perform
and degrade over time. For example, it can determine if an ECU will
experience malfunctions due to overheating or if a sensor's
accuracy will be affected by humidity or vibration. This
information is crucial for automotive manufacturers to optimize
their product designs, select appropriate components, and improve
the overall reliability and durability of their vehicle
electronics.
- The ability to conduct repeatable tests with different
environmental profiles, as mandated by automotive standards, is
also a valuable function. This helps in comparing the performance
of various electronic systems or product versions and identifying
the most suitable design or manufacturing process. For instance, a
manufacturer can test multiple prototypes of an infotainment system
under the same temperature, humidity, and EMI cycling conditions
and analyze the results to determine which design offers the best
performance and stability.
- Enhanced Automotive Electronic Product Quality and Innovation
- Through comprehensive testing in the Customized Walk-In
Environmental Chamber, automotive product developers can identify
and address potential issues in their designs. If an electronic
component shows signs of failure or degradation during the test,
appropriate measures can be taken, such as improving the thermal
management, enhancing the waterproofing, or adding EMI shielding.
This leads to the development of more reliable and durable
automotive electronics, reducing the risk of recalls and enhancing
customer satisfaction. In the research and development field, it
allows for the exploration of new materials and technologies,
providing valuable data on their behavior under different
environmental conditions. For example, researchers can study the
performance of new semiconductor materials or advanced printed
circuit board designs in extreme temperatures and humidity.
- The chamber also serves as a valuable tool for quality control. By
subjecting automotive electronics to standardized environmental
tests, manufacturers can ensure that their products meet the
required quality and performance standards. This helps in building
a reputation for quality and reliability in the highly competitive
automotive market, which is essential for long-term success.
- Compliance with Automotive Industry Standards and Regulations
- The compliance of the test chamber with relevant automotive
industry standards is a key aspect of its functionality. The
automotive industry is highly regulated, and products must meet
specific standards to be accepted for use. By using this chamber to
conduct tests in accordance with standards like ISO 16750, CISPR
25, and SAE J1455, manufacturers can prove that their products are
safe and reliable. Regulatory bodies rely on accurate test results
obtained from such chambers to enforce safety and quality
regulations, ensuring the proper functioning of automotive
electronics and the overall safety of vehicles.
- Stringent Manufacturing Process
- The Customized Walk-In Environmental Chamber is manufactured under
strict quality control procedures. Each component, from the
refrigeration system to the EMI testing equipment and precision
sensors, is carefully sourced and inspected for quality and
performance. The assembly process is carried out by highly trained
technicians with extensive experience in automotive testing
equipment manufacturing in a clean and controlled environment. The
chamber undergoes a series of calibration and validation tests
during the manufacturing process to ensure that it meets the
required accuracy and performance standards.
- The calibration of the temperature, humidity, vibration, EMI, and
other sensors is a critical and regular part of the manufacturing
process. It is performed using traceable reference standards that
are calibrated to the highest levels of accuracy, guaranteeing the
reproducibility of the test results. Rigorous quality audits and
inspections are conducted at various stages of production to
maintain the highest level of product quality and compliance with
automotive standards.
- Quality Certification and Validation
Our chamber has obtained relevant quality certifications and has
been validated by independent automotive testing laboratories. It
has been proven to provide accurate and reliable test results,
conforming to the relevant automotive standards. We also
continuously update and improve our product based on the latest
technological advancements and customer feedback from the
automotive industry to ensure its long-term performance and
compliance.
- Automotive Original Equipment Manufacturers (OEMs)
- A leading automotive OEM used the Customized Walk-In Environmental
Chamber to test the new electronic architecture of their upcoming
vehicle model. The tests revealed that a particular communication
bus in the system was prone to EMI interference from other
components. By redesigning the bus layout and adding additional
shielding, they were able to improve the system's reliability and
communication integrity, ensuring seamless operation of various
vehicle functions.
- Another OEM tested their advanced driver-assistance systems (ADAS)
in the chamber. The testing identified a weakness in the
temperature stability of the sensors used in the ADAS, which could
affect their accuracy in extreme heat. By implementing better
thermal management solutions and conducting further tests, they
were able able to enhance the performance and safety of the ADAS,
providing drivers with more reliable and accurate assistance.
- Tier 1 Suppliers
- A Tier 1 supplier of automotive wiring harnesses used the test
chamber to evaluate the durability of their products under
different environmental conditions. The tests showed that a certain
type of connector in the harness was vulnerable to corrosion in
high-humidity environments. By switching to a more
corrosion-resistant connector and conducting additional tests, they
were able to improve the quality and reliability of their wiring
harnesses, reducing the risk of electrical failures in vehicles.
- A supplier of automotive infotainment systems used the Customized
Walk-In Environmental Chamber to test the compatibility of their
system with different vehicle electrical environments. The testing
helped them optimize the power management and EMI suppression
features of their system, ensuring smooth integration and operation
in a wide range of vehicles.
- Research Institutions
- A research institution focused on automotive electronics used the
chamber to study the effects of long-term exposure to vibration and
temperature cycling on lithium-ion batteries used in electric
vehicles. The data obtained led to the development of improved
battery management systems and packaging designs, enhancing the
lifespan and safety of electric vehicle batteries.
- Another research institution investigated the impact of
high-intensity EMI on the performance of automotive radar systems.
The results of their studies enabled the development of more robust
radar systems with enhanced EMI immunity, improving the accuracy
and reliability of vehicle sensing and collision avoidance
capabilities.


- Pre-Sales Technical Consultation
Our team of automotive experts provides in-depth technical
consultations to help customers understand the capabilities and
suitability of the Customized Walk-In Environmental Chamber for
their specific testing needs. We offer demonstrations and training,
tailored to the automotive industry, to familiarize customers with
the operation and functionality of the equipment before purchase.
We also assist in selecting the appropriate test methods and
accessories based on the automotive electronics and electrical
systems to be tested. - After-Sales Service and Maintenance
We offer comprehensive after-sales service, including on-site
installation and commissioning. Our technicians are available for
regular maintenance, calibration, and emergency repairs. We provide
spare parts and upgrades to keep the test chamber operating at peak
performance. We also offer service contracts that include
preventive maintenance and priority technical support, ensuring the
long-term reliability and availability of the equipment for
automotive electronic testing. - Training and Technical Support
We conduct training programs for new users to ensure they can
effectively operate the Customized Walk-In Environmental Chamber
and interpret the test results. Our technical support team is
available 24/7 to answer questions, provide troubleshooting
assistance, and offer guidance on test method optimization and
compliance with automotive industry standards. We also provide
software updates and support for the data acquisition and analysis
systems, enabling customers to take full advantage of the latest
features and technologies in automotive electronic testing.
The Customized Walk-In Environmental Chamber for Car Electronics
and Electrical System Testing is an essential asset for any
organization involved in the automotive industry. If you are
looking to enhance your testing capabilities, ensure compliance
with industry standards, or drive innovation in automotive
electronics, this is the ideal solution. Contact us today to learn
more and get a customized quotation. Let us help you unlock the
full potential of your automotive product quality control and
environmental testing