An environmental test chamber is a kind of equipment used to simulate various climatic conditions that may be encountered by-products in the actual use environment. Through the product’s physical and other related characteristics of the test, to determine whether the performance of the product meets the predetermined requirements, to ensure that the product still has good performance and reliability in extreme climatic conditions.
1、Why use the environmental test chamber?
For all kinds of research institutions, enterprises, and institutions, environmental test chambers in product development, production, inspection, and other stages have a vital role:
① Evaluate the performance of the product:
Through the different temperature, humidity, vibration, and other environmental conditions of the product test to assess the performance of the product in the actual use of the environment, to ensure product performance and reliability, to lay a good foundation for the product on the market.
② Identify product design defects:
Test the product under extreme environmental conditions to uncover problems and provide a basis for product optimization.
③ Verify the environmental adaptability of products:
Evaluate the adaptability of products in different regional environments by simulating the climate, temperature, humidity, and other environmental conditions in different regions.
④ Ensure product safety:
Test the products under extreme conditions such as high temperature, low temperature, humidity, etc., to assess the safety of the products under abnormal environments and reduce the risks that may be brought about by the products in the actual use of the products.
⑤ Improve the reliability and life of products:
Evaluate the reliability and life span of the products in the process of continuous operation through long-time simulated environmental tests, and provide reference for product maintenance and replacement.
2、Environmental test chamber application field
An environmental test chamber is a kind of test equipment to simulate a variety of environmental conditions, which is widely used in many industries, mainly used to simulate a variety of environmental conditions, to test the performance and reliability of products in these environments. Widely used in various industries, the following are some of the main application industries:
①Aerospace
The aerospace field needs to simulate extreme environmental conditions such as high altitude, low temperature, high temperature, high pressure, etc., to test the performance and reliability of electronic components, optical communication equipment, semiconductor light-emitting devices, metal materials, wires and cables, and other equipment of the aircraft and spacecraft. High and low temperature (hot and humid) test chamber, walk-in constant temperature and humidity test chamber, cold and thermal shock test chamber, rapid temperature change test chamber, high and low temperature and low air pressure test chamber, three comprehensive test chamber can simulate these environmental conditions, provide high-precision test data for the aviation and spacecraft safety and reliability to provide protection.
②Automotive industry
The automotive industry requires a variety of environmental tests to ensure the performance and reliability of automobiles in various climatic conditions. High-temperature test chambers, high and low temperature (hot and humid) test chambers, and rapid temperature change test chambers can simulate a variety of climatic conditions, such as high temperature, low temperature, humidity, etc., to test automotive parts and components, to improve the service life of the automobile and safety.
③Electronics industry
The electronics industry needs to test the performance and reliability of electronic products to adapt to a variety of different climatic and environmental conditions. Rapid temperature change test chambers, high-temperature test chambers, and high and low-temperature (hot and humid) test chambers can simulate a variety of environmental conditions, such as temperature, humidity, etc., to test semiconductors, circuit boards, LEDs, and other equipment for electronic products to ensure their performance and reliability.
④Biotechnology industry
The pharmaceutical industry needs to research the stability and validity of drugs to adapt to different environmental conditions. Stability test chambers and walk-in stability test chambers can simulate a variety of environmental conditions and provide high-precision test data for the research and development and quality control of pharmaceutical products.
High and low-temperature test chambers, rapid temperature change test chambers, thermal shock test chambers, high and low-temperature and low-air-pressure test chambers, and walk-in stability test chambers can be used to test the safety performance of medical equipment, which helps to ensure that medical supplies can maintain good performance in the actual use of the environment.
In terms of medical hygiene products, simulating various environmental conditions through high and low-temperature test chambers, rapid-temperature change test chambers, cold and thermal shock test chambers, and walk-in high and low-temperature test chambers can help to identify potential problems with the products and make improvements in advance to avoid problems in actual use.
⑤ New energy industry
The new energy industry needs to carry out performance tests on solar panels, wind power generation equipment, etc. to adapt to different climatic and environmental conditions. Explosion-proof rapid temperature change test chamber, explosion-proof high and low temperature (hot and humid) test chamber, explosion-proof small ultra-low temperature test chamber, high and low temperature (hot and humid) test chamber, high and low temperature (hot and humid) test chamber, walk-in high and low temperature (hot and humid) test chamber, cold and thermal shock test chamber, high and low temperature and low-pressure test chamber, temperature, humidity and vibration test chamber (three integrated test chamber) can simulate a variety of climatic conditions, to provide high-precision test data for the new energy equipment, safety and reliability Provide guarantee.
⑥New material industry
Environmental test chamber plays a vital role in the research and development of new materials. High and low-temperature (hot and humid) test chambers, rapid temperature change test chambers, and small ultra-low-temperature test chambers can be used to simulate a variety of environmental conditions, such as temperature and humidity, to test the performance and reliability of new materials in these environments. For example, new materials may need to withstand environmental conditions such as very low or very high temperatures, extreme humidity, or strong UV radiation. In addition, high-voltage accelerated weathering testers can be used for accelerated weathering testing of new materials to predict changes in material properties after long-term use. These tests provide insight into the behavior of new materials in these environments to further improve their performance.
3、Summary of ChiuVention’s environmental test chambers
3.1 Constant temperature and humidity test chamber
A constant temperature and humidity test chamber is a kind of test chamber that can simulate the temperature and humidity environment of products. It is mainly used for stability testing of various materials, such as cement, paper, shoes, pharmaceuticals, fibers, and other fields. The test chamber can be limited to constant humidity, constant temperature, vacuum, and other environmental conditions simulation.
3.2 Salt spray test chamber
The salt spray test chamber is mainly used to simulate the salt spray environment test under different humidity and temperatures. It is mainly used in the fields of paints, electroplating, and electronic components. Acidic and corrosive gases are generated in the test chamber, which allows for continuous salt spray corrosion testing of samples.
3.3 Ultraviolet light test chamber
The UV test chamber is mainly used to simulate the effects of solar radiation, sunlight irradiation, and hot and humid climates on lighting products to test the weather resistance, anti-aging, and stability of materials. It is mainly used in the testing of plastics, paints, rubber, protective coatings, and other fields.
3.4 Thermal Shock Tester -Two-Zone
This product is suitable for the safety performance test of electronic components to provide reliability tests, product screening tests, etc. At the same time, this equipment test, can improve the reliability of the product and carry out quality control of the product. High and low-temperature impact test chambers in aviation, automotive, home appliances, scientific research, and other fields of essential test equipment, assessment, and determination of electricians, electronics, automotive appliances, materials, and other products, in the high and low-temperature test temperature environment after the impact of changes in parameters and performance, the use of adaptability, applicable to schools, factories, military, research, and other units.
3.5 Thermal Shock Tester-Three Zone
Three boxes of the thermal shock test chamber are metal, plastic, rubber, electronics, and other materials industry essential test equipment, used to test the structure of the material or composite material, in an instant by the extremely high temperature and very low temperature of the continuous environment can endure the degree of the test specimen in the shortest possible time due to the thermal expansion and contraction of the chemical changes caused by the or physical damage.
3.6 Xenon lamp aging test chamber
The xenon lamp tester uses xenon lamps that can simulate the full sunlight spectrum to reproduce the destructive light waves that exist in different environments, and it can provide corresponding environmental simulation and accelerated tests for scientific research, product development, and quality control.
Xenon test chambers can be used for the selection of new materials, the improvement of existing materials or to assess changes in durability after changes in the composition of the material test, they can be a good simulation of the changes in different environmental conditions, and materials exposed to sunlight. Xenon lamp test chamber is divided into air-cooled and water-cooled types, The following are two types of Xenon lamp aging test chambers.
3.6.1 Air-Cooled Light & Weather Fastness Tester
Air-cooled xenon lamp weathering chambers, utilize a xenon lamp as a light source, where specimens are exposed to xenon arc light and thermal radiation to assess their resistance to high-temperature light sources, as well as light and weathering resistance.
The air-cooled xenon weathering tester has a wealth of applications and can be used for testing paints and coatings, rubber, plastics, pigments, waterproof materials, adhesives, fabrics, and more.
3.6.2 Water-cooled Light & Weather Fastness Tester
Weathering tester can simulate the hazards caused by sunlight, rain, and dew and test products in the light、rain、condensation、temperature、humidity, and wind climate environment of storage, transportation, and use of the performance test.
Water-cooled light and weather fastness testers are suitable for measuring quality inspection, automotive materials, coatings, rubber, pigments, adhesives, fabrics, and other scientific research institutes, technical supervision departments, and other quality testing of rubber printed products.
3.7 AtmoExplorer Temperature & Humidity Chamber
This climatic chamber is suitable for testing the heat resistance, cold resistance, dry resistance, moisture resistance, and other properties of the material. It can meet the reliability testing needs of electronic products and other fields and industries.
3.8 Laboratory Oven
Electric blast drying box for a variety of products, test products for baking, drying, curing, heat treatment, and other convenient heating.
Constant temperature drying oven is suitable for various industry fields, widely used in various industries, such as electronic components, industry, medical and health care, plastic machinery, food, colleges and universities, and scientific research part of the production workshop or laboratory, such as the baking of the goods or high-temperature test of the goods.
3.9 Electric Industrial Laboratory Oven
The Industry Oven is used for various baking processes. It also does aging tests on electronic components and provides stress relief at high temperatures.
Lab oven is widely used in laboratory, laboratories, electronic communication, photoelectricity, plastic products, molds, shoes, spraying, printing, medical, aerospace higher education, and other industries.
3.10 Highly Accelerated Stress Test Chamber
HAST High-Pressure Accelerated Aging Test Chambers are primarily used to assess the reliability of a product or material in a humid environment, which is accomplished by setting and creating a variety of conditions of temperature, humidity, and pressure in a highly controlled pressure vessel.
HAST testing has become a standard in certain industries and can be used in aerospace, defense industry, automotive parts, magnet industry, PCB circuit boards, and plastic industry.
4、The type of environmental testing:
At present, the environmental test has been standardized, and many countries have also developed environmental test standards, in general, these standards are similar, mainly including the following environmental test items:.
(1) low-pressure (high altitude) test:
The test applies to air transport in the cargo hold of the aircraft weapons, weapons used on the plateau, and air-transported weapons in the aircraft injury occurs after the rapid decline in pressure. The purpose of the test is to examine the performance of the weapon in a low-pressure environment and the impact of rapid pressure drop on the performance of the weapon. Simulation of the highest altitude up to 30000m (m), the test to take the height of the corresponding temperature value.
(2) High-temperature test:
The test weapon is in high-temperature air, but not subject to direct sunlight. Test for the hot season in an indoor or confined space or close to the engine and other sources of heat storage or use of weapons. The test is conducted only when the effects of high temperatures cannot be verified by the solar radiation test. The purpose of the test is to examine the performance of the weapon when stored or used in a high-temperature environment.
(3) Low-temperature test:
The test applies to specimens that are likely to be used in a low-temperature environment during their life cycle. The purpose of the test is to examine whether the specimen can be stored, manipulated controlled, and operated in a long-term low-temperature environment.
(4) Thermal Shock Test:
The test applies to weapons that are routinely subjected to very rapid temperature changes in a predetermined area or mode of use. Examples include bombs in electronic equipment bays, missiles, electro-optical equipment, and bomb bays on aircraft taking off from desert airports and ascending to high altitudes; weapons being airdropped from high altitudes into desert areas; and weapons being transferred from indoors to outdoors in the Arctic. Currently, only airborne thermal shock tests are conducted, and in the future, it will be possible to conduct thermal shock tests from air to water. The purpose of the thermal shock test is to examine the effect of sudden changes in ambient temperature on the performance of the weapon.
(5) Solar radiation (sunshine) test:
This is a test on weapons and their manufacturing materials exposed to sunlight. Solar radiation can cause photochemical and thermal effects. In most cases, this test can replace the high-temperature test. The sunlight test examines the effects of solar radiation on the use or open storage of weapons or related materials.
(6) Rain test:
The test applies to the use of the process and may be subject to rain weapons. The rain test includes no wind when the rain test and wind when the rain test. The purpose of the rain test is to test the waterproof performance of the rain protection equipment and test the performance of the weapon during and after the rain.
(7) Moisture test:
The test applies to armaments that may be used in a warm and humid environment. Tropical areas throughout the year, the mid-latitude regions of the year with varying lengths of the season are this warm and humid environment. The purpose of the test is to test the weapon’s ability to adapt to a warm and humid environment.
(8) Anti-mould test:
Warmth and humidity are the conditions for the growth of micro-organisms, which are widely found in the tropics and mid-latitudes. All standard general-purpose armaments and equipment should be designed to take into account the problem of mold resistance. The purpose of the test is to assess the degree of mildew and mildew on the performance of the weapon or the use of the degree of impact.
(9) Salt spray test:
Salt is very widely distributed on Earth. The ocean, the atmosphere, the ground, lake water, and rivers have salt, especially in the coastal areas of salt content is relatively large, and the ocean contains the largest amount of salt. No weapon does not come into contact with salt. Therefore, all weapons are in some form of salt environment during their life cycle. The purpose of the salt spray test is to examine the effect of a salty, humid atmosphere on the performance of the weapon, in particular the performance of the coated protective layer and the compatibility of the materials.
(10) Sand and dust test:
The test applies to all mechanical, electrical, electronic, and electrochemical armaments used in dry sand or air with a relatively high dust content. The test is divided into a dust test and a sand test. The dust test uses dust and fine sand, which can get into crevices, cracks, bearings, and joints. The sand test uses sand particles of 149 to 850 μm (microns), which are large, sharp particles that can have an erosive and clogging effect, reducing the effectiveness, reliability, and serviceability of the equipment. The purpose of the sand and dust test is to examine the ability of the weapon to be used and stored in a sandy and dusty environment.
(11)Immersion test:
Immersion test includes immersion, drip, and pressurized water test. The immersion test applies to equipment requiring watertightness and to equipment used wholly or partially submerged in water. In some cases, this test may be used instead of the rain test to verify watertightness. The purpose of the test is to examine the ability of the weapon to remain watertight when immersed in water.
(12) Freezing rain test:
The test applies to equipment that will encounter freezing rain during normal use. The purpose of the test is to examine the effect of rain, fog, and splashing seawater on the performance of the equipment after it freezes, but also for the evaluation of de-icing devices and techniques.
5、Summary
As the gatekeeper of product performance and quality, environmental test chambers for many industries provide a strong test guarantee and can be said to be the major laboratories’ indispensable equipment. Each type of test chamber has different applications and test purposes, its main role is to simulate the actual environmental conditions, the quality of the product, and comprehensive performance assessment and testing.
Environmental test chambers have a wide range of applications in various industries, they simulation of various environmental conditions for various industries to provide high-precision test data, for product performance and reliability to provide a guarantee. With the continuous development of science and technology, the application of environmental test chambers will continue to expand, to provide better testing services for more industries.
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