The key difference between a cyclic salt spray test chamber and a standard salt spray test chamber lies in the complexity of the simulated environment and the diversity of test conditions. The specific differences are as follows: 1. Differences in Simulated Environments - Standard salt spray test chambers can only simulate a single salt spray corrosion environment. They primarily evaluate the corrosion resistance of products in a constant salt spray environment by continuously or intermittently...
Find out More Jul 30, 2025
Selecting dust suitable for a dust test chamber requires considering the test standard, dust characteristics, and test objectives to ensure accurate and comparable test results. The key steps and key points are as follows: 1. Prioritize compliance with test standard requirements - Identify the specified dust type based on the products corresponding international/industry standards (such as IEC 60529, ISO 12103, GB/T 4208, etc.). - Most Common Standards: Almost all common standards require the us...
Find out More Jul 08, 2025
To choose a suitable salt spray test chamber sample rack, you need to consider the material, structure, function and test requirements from multiple dimensions. The core points are as follows: 1. Select materials according to sample materials and test purposes - Conventional metal/coated samples: Choose PVC or PP materials, which are resistant to salt spray corrosion and low cost (such as automotive accessories, hardware). - High-end or special environment materials (such as aerospace, semicondu...
Find out More Jun 27, 2025
When we communicate with customers about thermal shock chamber, we will mention the cooling methods, air cooling and water cooling. At this time, customers will ask us about the difference between the two cooling methods. The following is a comparison of the advantages and disadvantages of the two cooling methods in terms of temperature control efficiency, energy consumption, maintenance, etc. A. Water cooling thermal shock chamber Advantages: 1. High temperature control accuracy: - The water ci...
Find out More Jun 09, 2025
Thetemperatureuniformityofthenitrogenovenisaffectedbymanyfactors,thecoreofwhichliesintheequipmentdesign,operatingparametersandmaintenance,asfollows: 1.Equipmentdesignandstructure -Airductandfanlayout: -Insufficientfanairvolume(suchas20times/hourventilation)orunevenairpressure,resultinginpoornitrogencirculationand largetemperaturedeviationinlocalareas; -Unreasonableairductdesign(suchaspoorsymmetrybetweentheairoutletand thereturnairoutlet),whicheasilyforms airflowdeadcorners(suchasthecornersofthec...
Find out More Jun 11, 2025
Electronics Industry( Semiconductor and Chip Manufacturing) In the manufacturing process of semiconductors and chips, the requirements for the production environment are extremely strict. The high temperature of 400℃ can meet the needs of some special processes, such as heat treatment and reflow soldering of chips. The inert atmosphere formed by filling with nitrogen can effectively prevent electronic components from oxidation, corrosion or moisture at high temperatures, and avoid the impact o...
Find out More Jun 27, 2025
Drying of APIs: Many APIs contain a large amount of water or other volatile solvents after synthesis or extraction, which need to be removed by drying. The drying oven can quickly remove these water and solvents at a lower temperature, avoiding degradation or inactivation of the drug due to high temperature, and ensuring the quality and stability of the API. Drying and purification of intermediates: In the process of drug synthesis, some intermediates are often produced, which may need to be dri...
Find out More Jun 27, 2025
The nitrogen used in nitrogen ovens must meet the following key requirements to ensure the safety and reliability of equipment performance and application scenarios: 1. Purity requirements - Core indicators: Nitrogen purity usually needs to be 99.9% (i.e. three nines), and some high-precision scenarios (such as medicine and semiconductors) may require 99.99% (four nines) or higher. - Reasons: - The oxygen, moisture, impurities, etc. contained in low-purity nitrogen may cause oxidation, moisture...
Find out More May 30, 2025
The working principle of the double layer nitrogen oven is to create an oxygen-free environment by filling it with nitrogen, thereby ensuring that the baked items will not undergo oxidation reactions at high temperatures. The double layer nitrogen oven is mainly composed of a chamber, a heating system, a nitrogen control system, a ventilation system, etc. Before use, the samples need to be placed on a baking tray or grill, and then placed in the oven. The heating system will heat the nitrogen to...
Find out More May 30, 2025
Importance of changing gauze: The gauze in the constant climate chamber is mainly used to maintain the measurement of wet-bulb humidity, which is calculated by the wet-dry-bulb method. The state of the gauze directly affects the accuracy of humidity measurement. When the gauze turns yellow, hardens, or the water absorption becomes poor, it needs to be replaced, because this will affect the humidity reading, which may cause the humidity to fail to decrease and the displayed value to continue to b...
Find out More May 29, 2025
When the IEC60529 dust test chamber is conducting dust tests, the type of dust used needs to meet certain standards and requirements. According to relevant information, the following is the relevant content about the use of dust in the IEC60529 dust test chamber: Dust type: The dust used in the dust test chamber mainly includes inorganic dust, organic dust and mixed dust. Inorganic dust includes mineral dust, metallic dust and artificial inorganic dust; organic dust includes animal dust, plant d...
Find out More Feb 28, 2025
-86℃ vertical ultra-low temperature chamber is our new designed chamber, it is a refrigeration equipment that can reach -86℃ low temperature, its temp. range is -40℃~-86℃. It is mainly used for storing viruses, germs, red blood cells, white blood cells, skin, bones, bacteria, semen, biological products, ocean products, electronic devices, low temperature testing of special materials, etc....
Find out More Feb 28, 2025
The 9-point temperature test of Yuanyao industrial oven is a test method used to detect the uniformity and accuracy of the temperature inside the oven. It has important applications in oven calibration, performance evaluation, etc. The following is a detailed introduction from the aspects of test point selection, test method, test basis and significance: Test point selection: Select 9 specific locations inside the oven for temperature measurement. Among them, 8 points are located at a distance o...
Find out More Feb 27, 2025
Yuanyao brand climate chamber, use SUS#304 stainless steel to make the inner chamber, people will may ask why use this kind of stainless steel. Below are the reasons why choose 304 stainless steel. Good corrosion resistance: 304 stainless steel contains a high nickel content (about 8%), which makes it have good corrosion resistance in various environments. This is very important for constant temperature and humidity chambers and high and low temperature chambers that need to be in contact with w...
Find out More Feb 27, 2025
Meet ICH2003 Q1A(R2), CP2010 (1) Accelerated test: 40℃2℃ / 75%RH5%RH (2) Intermediate conditions: 30℃2℃ / 65%RH5%RH (3) Long-term test: 25℃2℃ / 60%RH5%RH or 30℃2℃ / 65%RH5%RH 1. High temperature test The test sample is placed in a suitable sealed clean container at 60℃ for 10 days. Samples are taken on the 5th and 10th days and tested according to the key stability inspection items. If the test sample has obvious changes (such as a 5% decrease in content), the same method is us...
Find out More Dec 29, 2024
Drug stability testing is to examine the quality changes of drugs under different environmental conditions to determine the storage conditions, shelf life and stability characteristics of the drugs. Stability testing mainly includes long-term testing, accelerated testing and influencing factor testing. Long-term testing is carried out under the storage conditions specified for marketed drugs. The purpose is to investigate the stability of drugs during transportation, storage and use. It can dire...
Find out More Dec 28, 2024
The working principle of the vacuum oven is to use a vacuum pump to evacuate air and dehumidify, so that a vacuum state is formed in the test area, the boiling point of water is reduced, and the drying speed is acceleratied. Today we introduce vacuum oven degassing process, it is a technology that uses a vacuum environment to remove bubbles from materials. Vacuum oven degassing process is mainly used in industries such as LED lamps, LED epoxy resins, fluorescent silicone, plastic toys, transform...
Find out More Dec 25, 2024
This Tuesday, our sales team had a training course to improve our sales ability and better serve clients from domestic and abroad. The pursuit of knowledge is a never-ending journey. Lets continue to grow and develop our skills to provide the best service possible. Remember, progress is not always about perfection, but about the effort and dedication we put into our work. Stay calm, stay focused, and keep moving forward. Together, we can achieve great things....
Find out More Dec 25, 2024
Precision hot air oven is one of our hot-selling products, often used for drying, aging and curing of products. It is widely used in electronic communications, plastics, cables, electroplating, hardware, automobiles, optoelectronics, spraying, rubber products, printing, medical, aerospace and colleges and universities. What are the advantages of Yuanyaos precision hot air oven? 1. Double sealing strips(door and test area have sealing strips) design ensures effective insulation. 2. Hot air circul...
Find out More Dec 16, 2024
The waterproof test chamber, or called rain proof test chamber(IP test chamber) simulates the rainy weather in nature and is used to test the waterproof performance of the product. Since a large amount of water is consumed when doing waterproof testing, during the use of the equipment, users generally use tap water directly for testing. Only few customers will use purified water for testing, because purified water has fewer impurities. After a long test time, no impurities will remain in the nee...
Find out More Oct 31, 2024