Solar Panel / Photovoltaic(PV) Module Test Chamber

A Solar Panel Test Chamber, also known as a Photovoltaic Module Testing Chamber, is a specialized facility used to evaluate the efficiency and longevity of solar panels or photovoltaic modules in a laboratory setting with carefully regulated environmental conditions. Solar panel durability can be measured by monitoring their performance in these chambers, replicating various environmental conditions like temperature, humidity, and light intensity. On that note, CME, one of the top solar panel test chamber manufacturers, provide a selection of standard & custom solar panel test chambers for testing various sizes of photovoltaic modules and solar panels.

Solar panels and photovoltaic modules test chambers of all sizes can be put through their paces in one of CME's many conventional or custom-built test chambers. The three portions of environmental solar panel test specifications-temperature cycling, moist heat, and humidity freeze-can all be simulated in these chambers.

Our solar panel testing chamber at CME helps verify that modules can survive the thermal stress of being subjected to extremes of temperature and humidity. The system's one-of-a-kind design and distribution of airflow guarantees the precise airflow needed for testing solar panels.

Solar Panel Specifications of Environmental Testing

Solar Panel Specifications of Environmental Testing

Solar panels are put through environmental testing to determine how well they hold up under different situations, such as high heat, high humidity, and intense sunlight. By doing these tests, we can be sure that our solar panels will perform reliably and last for their expected lifespan since they will have been designed to fulfill strict industry standards. Photovoltaic systems in the renewable energy market require precise environmental testing before development and deployment.

Our solar panel specifications

  • Crystalline silicon terrestrial photovoltaic (PV) modules
  • Temperature-Cycling: -40°C to +85°C for 50 and 200 cycles
  • Humidity Freeze: -40°C to 85°C & 85% RH for 10 cycles
  • Damp heat: +85°C & 85% RH for 1000 hours
  • Thin-film terrestrial photovoltaic (PV) modules
  • Temperature-Cycling: -40°C to +85°C for 50 and 200 cycles
  • Humidity Freeze: -40°C to 85°C & 85% RH for 10 cycles
  • Damp heat: +85°C & 85% RH for 1000 hours
  • Photovoltaic module safety qualification
  • Concentrator photovoltaic CPV modules and assemblies
  • Flat plate photovoltaic modules and panels
  • Test methods for photovoltaic modulus in cyclic temperature and humidity environments
Solar Panel Specifications

Specialized Chambers for Solar Panel Tests

Thermal Cycle Test: Solar panels are put through their paces in the Thermal Cycle Test (10.11), a demanding test that includes exposure to significant temperature swings. This is done by rapidly changing the temperature from 85 to -40 degrees, often 50 to 200 times. Because of this testing, you can rest assured that your solar panels will function reliably in various temperatures.

Humidity Freeze Test: To replicate the effects of extreme humidity and below-freezing temperatures on solar panels, the Humidity Freeze Test (10.12) was developed. Ten times, you'll be subjected to a temperature swing from 85 degrees Celsius and 85 percent humidity to -40 degrees Celsius and below. In addition, the panels are tested by long periods of soaking at 85 F. The panels' capacity to withstand wet and cold temperatures is tested here so that their reliability in severe climates may be guaranteed.

Damp Heat Test: Test for High Temperature and Humidity (Damp Heat Test) (10.13). This test is designed to evaluate solar panels in extreme heat and humidity over an extended period. Panels are exposed to 85°C heat and 85% humidity for 1,000 hours. Putting the panels through this test helps identify their dependability over lengthy periods of use in places with weather conditions, such as those that experience high humidity and temperatures throughout the year.

Equipment Needed to Perform the Solar Panel Test

The Test Chamber

The test chamber's internal volume should be sufficient to hold the specified number of solar panels, with common measurements ranging from 4 feet by 4 feet by 6 feet. Depending on the panel's thickness, this chamber type can store 10 to 20 panels. Testing 7- to 8-foot-deep panels requires walk-in chambers with 60 panels or more testing capacities. To maintain homogeneity and prevent dead spots, it is essential to have sufficient airflow throughout the chamber.

Mounting Fixture

The fixture must effectively support the panels while maintaining proper air circulation, and this is true regardless of the type of solar panels being tested. It should be resistant to harsh environments and built with lightweight, long-lasting materials to reduce its heat load and conductivity. The fixture and the panels should be thermally isolated from one another. Fixture adaptability and versatility allow various panel sizes and shapes to load and unload easily. It's crucial to have sturdy, easily replaceable stress points. High-throughput production environments can benefit from permanently installing the fixture within the test chamber or employing a mobile cart to transport it to and from the chamber.

Test Instruments & Data Acquisition

New IEC 61215 standards for test instruments and data acquisition call for using peak power current during thermal cycling at temperatures higher than 25 degrees Celsius. This power performance test can be carried out with the help of a programmed power supply that provides current and voltage levels representative of those generated by PV products in the field. The panels receive this power instead of using solar energy. Each panel's temperature can be tracked and recorded, with the ability to do so being a standard feature of more sophisticated chamber controls.

Varieties of Solar Panel Test Chamber

Thermal Cycle Test Chamber

Thermal Cycle Test Chamber

Humidity Freeze Test Chamber

Humidity Freeze Test Chamber

Damp Heat Test Chamber

Damp Heat Test Chamber

UV Preconditioning Test Chamber

UV Preconditioning Test Chamber

At CM Envirosystems, we have a team of people who are eager to help in any way they can. Please don't hesitate to get in contact with us if you have any questions about our services, products, or anything else. We appreciate your input and can't wait to assist you further.


Critical factors and environmental variables, such as temperature cycling, humidity fluctuations, UV exposure, and variations in solar irradiation, can be replicated in solar panel test chambers. The planets' functionality and longevity may be evaluated under these realistic settings.

Solar panels are tested in special chambers to simulate severe circumstances for long periods of time. This tests how well panels hold up under harsh conditions like high humidity and direct sunlight. This ensures the panels' reliability and lifespan exceed industry standards by revealing any flaws and testing their performance under extreme conditions.

Common types of testing include temperature cycling, humidity cycling, long-term humidity and temperature exposure, ultraviolet radiation testing, and electrical performance testing. Collectively, these analyses evaluate the panels' dependability, efficiency, and longevity.

CME provides solar panel test chambers that can be modified to meet your needs. CME can design and produce chambers to suit your requirements and accommodate various panel sizes, specific ambient conditions, or unusual testing procedures.

There are many kinds of solar panel testing chambers, from enormous walk-in rooms to more compact upright rooms better suited to more common panel sizes. There may be variations in testing capabilities based on factors such as chamber size, the number of panels that can be tested at once, the accuracy of temperature and humidity control, and the availability of certain industry-standard tests. Panel size and type, testing needs, and the required degree of control and accuracy all go into the decision.


For any kind of query, contact us with the details below.

  • +91 888 000 7700
    Plot no 18 & 19,1st Main, 1st cross, KIADB Industrial Area, Dabaspet, Nelamangala Taluk, Bangalore 562111, Karnataka, INDIA

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