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  • New Technologies and Methods in Stability Chambers
    Apr 13, 2023
    The stability test chamber is a kind of equipment widely used in pharmaceutical, food, chemical and other industries. It is mainly used to test the stability of products under different environmental conditions such as temperature and humidity to evaluate the quality and stability of products. . With the development of science and technology and the continuous increase of application requirements, the technology and methods of stability test chambers are also constantly updated and improved. This article will introduce some new technologies and methods to improve the performance and efficiency of stability test chambers. 1. New technology Time-of-flight mass spectrometry Time-of-flight mass spectrometry is a high-precision and high-sensitivity mass spectrometry analysis technology, which can quickly and accurately analyze the gas components in the stability test chamber. In this technology, the sample is ionized and introduced into the mass spectrometer, and the ion is separated and detected according to the mass-to-charge ratio by using the acceleration time difference of the ion in the electric field. This technology has the advantages of high resolution, high throughput, multi-element simultaneous detection, etc. It can accurately analyze and detect trace gases in the test chamber, and provides more accurate data support for the stability test of the test chamber. Artificial intelligence technology Artificial intelligence technology is a technology that has developed rapidly in recent years. It can simulate human intelligence and analyze, learn and predict data. In the stability test chamber, artificial intelligence technology can realize the automatic control and optimization of the test chamber by learning historical data and analyzing environmental conditions. For example, artificial intelligence technology can be used to adaptively control the temperature, humidity and other environmental parameters in the test chamber, and adjust the environmental conditions in the test chamber according to the characteristics and stability requirements of the product to improve the efficiency and accuracy of the test. 2. New method Multifactorial design Multi-factor design is a statistical method, which can consider the influence of multiple factors as a whole, and study the interaction between these factors by designing experiments. In the stability test chamber, multi-factor design can determine the degree of influence of various environmental parameters in the test chamber on product stability through statistical analysis methods, and optimize and adjust these parameters. For example, the orthogonal test design method can be used to optimize the combination of environmental parameters such as temperature and humidity in the test chamber to improve the efficiency and stability of the test. Data mining Data mining is a technology that automatically discovers, extracts and recognizes patterns from large amounts of data, and it can help people extract valuable information and knowledge from complex data. In the stability test chamber, data mining can be applied to the analysis and prediction of test results. For example, data mining technology can be used to explore and analyze the relationship between environmental parameters such as temperature and humidity in the test chamber and product stability, so as to predict the stability performance of products under different environmental conditions. Bayesian network A Bayesian network is a probabilistic graphical model that can be used to model and reason about relationships between multiple variables. In the stability test chamber, the Bayesian network can be used to analyze the relationship between the test results and the environmental parameters, and optimize the adjustment of the constant temperature and humidity chamber in the test chamber according to these relationships. For example, the Bayesian network can be used to model and analyze environmental parameters such as temperature and humidity in the test chamber, so as to determine the degree of influence of these parameters on product stability, optimize the environmental conditions in the test chamber, and improve the efficiency of the test. efficiency and accuracy. In short, with the continuous advancement of science and technology, the technology and methods of walk in stability chamber are also constantly updated and improved. The application of new technologies and methods can not only improve the performance and efficiency of the test chamber, but also improve the accuracy and reliability of the test, providing strong support for the development of pharmaceutical, food, chemical and other industries.
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  • Quality Management in Stability Chambers
    Apr 07, 2023
    Stability test chamber is one of the indispensable and important equipment in pharmaceutical enterprises. In the process of drug production, the stability test chamber can test the stability of drugs under different temperature and humidity conditions to ensure the quality and safety of drugs. In order to ensure the normal operation of the stability test chamber and the accuracy of drug testing, strict quality management is required. First of all, in the selection process of the stability test chamber, the quality and performance of the equipment need to be considered. When purchasing a stability test chamber, it is necessary to ensure that the equipment complies with international standards and relevant regulations, such as the United States Pharmacopoeia (USP) and the European Pharmacopoeia (EP). At the same time, it is necessary to choose certified suppliers to ensure reliable equipment quality. Secondly, during the installation and maintenance of the stability test chamber, it is necessary to follow the relevant operating procedures and standardized processes. When installing the stability test chamber, it is necessary to operate according to the equipment manual and carry out strict safety inspection and verification. During the use of the stability test chamber, regular maintenance and maintenance are required, such as cleaning equipment, calibrating sensors, etc. Maintenance records and reports should be recorded in detail to facilitate traceability and supervision by managers. Third, in the drug testing process of the stability test chamber, it is necessary to follow the relevant testing procedures and standardized operations. Before drug testing, it is necessary to calibrate the temperature and humidity of the stability test chamber to ensure that the test results are accurate and reliable. During the test process, it is necessary to set and control the test conditions according to the characteristics of the drug and relevant standards. At the same time, it is necessary to record and deal with abnormal situations that occur during the test. Finally, data management and documentation control of walk in stability chamber are also important aspects of quality management. Test data needs to be effectively recorded and stored, and regularly reviewed and analyzed for data comparison and verification. At the same time, documents such as test reports, maintenance records, and equipment instruction manuals need to be effectively controlled and managed to ensure that relevant personnel can obtain and use these documents in a timely manner. To sum up, the quality management in the stability test chamber is a crucial part in the pharmaceutical production process. Measures such as reasonable model selection, standardized operating procedures, effective data management and document control are all necessary conditions to ensure the quality and reliability of environmental chamber manufacturers and drug testing.
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  • Sample Preparation and Handling in the Stability Chamber
    Mar 30, 2023
    The stability test chamber is a kind of equipment used to test the stability performance of electronic components and other equipment under different environmental conditions. Before stability testing, sample preparation and handling is a critical step that has a crucial impact on the accuracy and reliability of test results.   First, the selection and preparation of samples should be based on the test purpose and requirements. Different tests require different sample formats and quantities. For example, if it is necessary to test the thermal stability of materials, it is necessary to select representative samples, including material samples in various forms, such as films, powders, fibers, etc. Ease of preparation and handling also needs to be considered when selecting samples to ensure that the desired test environment can be accurately simulated in the constant temperature and humidity chamber.   Second, sample preparation and handling should comply with relevant standards and requirements. Sample preparation and handling may include multiple steps such as sample cutting, grinding, washing, drying, and more. These steps must follow relevant standards and methods to ensure that the surface of the sample is smooth, clean, free of impurities, etc. Otherwise, these factors may affect the accuracy of the test results.   Third, attention needs to be paid to the number and size of samples. The number and size of samples should be able to meet the requirements of the test, and can be properly arranged and placed in the photo stability chambers. The number and size of samples should also take into account the complexity and feasibility of the test. For complex tests, higher sample numbers and larger sample sizes may be required to obtain accurate and reliable test results.   Finally, sample handling should follow proper methods and procedures to ensure reliability and accuracy of test results. This may include preconditioning or stabilizing the sample for a period of time prior to testing to acclimate it to the desired testing environment. In addition, relevant safety regulations and operating procedures must be followed to ensure the safety of the laboratory and protect the health of testers.   In a word, the sample preparation and processing in the stability chambers is an important step in the stability test, which has a crucial impact on the accuracy and reliability of the test results. When selecting and preparing samples, it is necessary to consider the purpose and requirements of the test, and follow the relevant standards and methods. At the same time, it is necessary to pay attention to the number and size of the samples, and follow the appropriate methods and procedures to process the samples to ensure the accuracy and reliability of the test results.
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  • Performance Verification and Calibration of Stability Chambers
    Mar 28, 2023
    The stability test chamber is a kind of equipment used to test the stability performance of electronic components and other equipment under different environmental conditions such as temperature and humidity. It can simulate various complex environmental conditions to verify the performance and reliability of the equipment. However, to ensure the accuracy and reliability of a stability chamber, performance verification and calibration are necessary. Performance verification is the process of checking that equipment meets specifications and design requirements, and is functioning properly. Performance verification is performed after equipment installation and commissioning to ensure that the equipment works as expected and can meet expected performance requirements. For the photostability chamber, the main purpose of performance verification is to determine whether it can maintain stability within a certain temperature and humidity range, and provide accurate measurement results under different test conditions. Calibration is the determination of a device's measurement accuracy by comparing the difference between the device's measurements to those of a known standard. The calibration process usually involves using an accurate standard device, comparing it to the device to be calibrated, and making necessary adjustments to ensure accurate measurements from the device to be calibrated. There are several key factors to consider during the performance verification and calibration of a stability test chamber. The first is the accuracy and consistency of the test environment. In order to ensure the accuracy and reliability of the stability test chamber, the test environment must be able to accurately simulate the required temperature, humidity and other conditions. Second, accurate and reliable measurement equipment must be used to compare the measurement results of the equipment to be calibrated and the standard equipment. Finally, a scientific and systematic approach is required to record and analyze the measurement results, and to make necessary adjustments and calibrations. Before performing performance verification and calibration, the specifications and performance requirements of the stability test chamber should be understood. These specifications and performance requirements typically include test temperature, humidity range, temperature and humidity accuracy, stability, etc. During performance verification and calibration, test methods and standards need to be defined against these requirements, and adjusted and calibrated as needed. In a word, the stability test chamber is an important test equipment for verifying the stable performance of electronic components and other equipment under different environmental conditions. Performance verification and calibration are critical steps to ensure the accuracy and reliability of stability chamber manufacturer and require a scientific and systematic approach.
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  • Design and Construction of Stability Test Chamber
    Mar 22, 2023
    The stability test chamber is a kind of equipment used to simulate and evaluate the stability of products under different environmental conditions. In pharmaceutical, cosmetic, food and other industries, stability test chambers are widely used to evaluate the stability and life of products. The design and construction of a stability test chamber is critical to ensuring the accuracy and reliability of test results. Stability chambers usually consist of a sealed room in which temperature, humidity, and airflow can be tightly controlled. Designers must consider some key factors, including temperature range, humidity range, air flow and other control parameters. Sensors and controllers used in stability test chambers must precisely measure and control these parameters to ensure the accuracy and reliability of test results. Temperature control in a photo stability chambers is usually one of the most important parameters. Many tests need to be performed at a constant temperature, so stability chambers must be able to precisely control and maintain the required temperature range. To achieve this goal, stability test chambers are usually equipped with high-quality temperature sensors and controllers. These sensors accurately measure the temperature in the test chamber and feed this data back to the controller. The controller can adjust the heating or cooling system as needed to ensure that the temperature of the test chamber remains within the desired range. Humidity control in the stability chamber is also very important. Many tests need to be performed under specific humidity conditions, so the stability test chamber must be able to precisely control and maintain the required humidity range. Walk in stability chamber are usually equipped with high-quality humidity sensors and controllers. These sensors accurately measure the humidity in the test chamber and feed this data back to the controller. The controller can adjust the humidification or dehumidification system as needed to ensure that the humidity in the test chamber remains within the desired range. Airflow control in a stability chamber is also very important. The airflow in the test chamber must be able to flow to ensure an even distribution of temperature and humidity. Stability chambers are usually equipped with fans and airflow controllers to ensure smooth and even distribution of airflow within the chamber.
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  • How to Determine the Accuracy of Temperature and Humidity in a Stability Chamber
    Mar 15, 2023
    A stability chamber is an essential piece of equipment in many industries, especially those involved in pharmaceuticals, food, and electronics. It is used to test the stability of products and ensure they meet the required standards over time. The accuracy of temperature and humidity within the chamber is crucial to ensure the validity of the test results. In this article, we will discuss how to determine the accuracy of temperature and humidity in a stability chamber. Calibration The first step in determining the accuracy of a stability chamber is calibration. Calibration is the process of comparing the readings of the stability chamber to a known standard. This is done by using a calibrated thermometer and hygrometer. The calibration should be performed at least once a year, or more often if required by industry regulations or company policy. Check the Placement of Sensors The placement of the sensors in the humidity and temperature controlled chamber is critical to obtaining accurate readings. The sensors should be placed in a representative location that reflects the temperature and humidity of the entire chamber. The sensors should not be placed near any heat sources or vents, which can affect their readings. Monitor the Stability Chamber Continuous monitoring of the stability chamber is necessary to ensure that the temperature and humidity remain within the required range. The stability chamber should be equipped with an alarm system that alerts personnel if the temperature or humidity goes outside the specified range. Perform Qualification Tests Qualification tests are designed to verify that the stability chamber is working correctly and consistently over time. The tests include temperature mapping, which involves placing temperature sensors throughout the chamber to ensure that the temperature is consistent throughout. Additionally, a humidity mapping test can be performed to ensure that the humidity is consistent throughout the chamber. Document the Results It is essential to document the results of all tests performed on the stability chamber. This documentation should include the date of the test, who performed the test, the equipment used, the results, and any corrective actions taken if necessary. In conclusion, the accuracy of temperature and humidity in a stability chamber manufacturer is crucial to ensure the validity of test results. By performing regular calibration, monitoring the stability chamber, performing qualification tests, and documenting the results, you can ensure that your stability chamber is accurate and reliable.
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  • Stability Chamber Solutions in Laboratory
    Mar 07, 2023
    Stability Chamber are critical settings for research, testing, and analysis. However, maintaining a stable laboratory environment is essential for achieving accurate and reliable results. Factors such as temperature, humidity, lighting, air quality, and equipment calibration can all affect experimental outcomes. In this article, we will explore some solutions to ensure a stable laboratory environment. Temperature and Humidity Control Humidity environmental test chambers are crucial for maintaining stable conditions in a laboratory. High or low temperatures and humidity levels can negatively affect the quality of samples, the accuracy of instruments, and the reproducibility of experiments. Therefore, it is important to monitor and control these variables. Air conditioning systems, dehumidifiers, and humidifiers can help regulate the temperature and humidity of a laboratory. Lighting Lighting is another factor that can impact laboratory stability. Natural light, fluorescent lights, and other types of lighting can interfere with experiments and alter results. To minimize the effects of lighting on experiments, laboratories can use LED lighting, which emits less heat and radiation, and install light-tight curtains to block out natural light. Air Quality The quality of the air in a laboratory can also impact the accuracy of experiments. Airborne particles, such as dust, bacteria, and chemicals, can contaminate samples and alter results. Therefore, laboratories should have proper ventilation systems, air filters, and fume hoods to remove contaminants from the air. Equipment Calibration Proper calibration of laboratory equipment is critical for obtaining accurate results. Over time, equipment can drift from its original calibration, leading to errors in data. Laboratories should have a regular calibration schedule to ensure that equipment is functioning correctly. Regular Maintenance Regular maintenance of laboratory equipment and facilities can prevent breakdowns and ensure that experiments are conducted with consistency. Laboratories should have a maintenance plan in place that includes regular cleaning, equipment checks, and repair or replacement of any faulty equipment. Conclusion In conclusion, a walk in environmental chamber is essential for accurate and reliable results. Temperature and humidity control, lighting, air quality, equipment calibration, and regular maintenance are all critical factors to consider when ensuring a stable laboratory environment. By implementing these solutions, Stability Chamber can minimize the effects of external variables and achieve consistent and accurate results.
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  • What happens to my Stability Chamber when the lab loses power?
    Feb 28, 2023
    You may be using an environmental chamber for testing and suddenly lose power. This can be caused by something as simple as a broken power line or a more severe weather event such as a snowstorm, flood or tornado. Sudden loss of power can not only interrupt the test, but also damage your chamber. Fortunately, when your lab loses power, there are a few precautions you can take to avoid loss of power and potential chamber damage. Keep these in mind, especially when severe weather comes into the forecast for your area. When your test box loses power In the event of a power failure, your test chambers will shut down completely, as they require constant power to operate. If possible, you should disconnect the test chamber from the mains voltage as soon as possible to prevent any potential damage that may be caused by power surges when power is restored. A power outage in a room presents several dangers: The test chamber contains sensitive electrical components. Although manufacturers take precautions to protect system components from power outages, some components, such as the XChange board, can be damaged by multiple power surges. It's best to use a surge protector to prevent this from happening. Components can fail or degrade over time due to repeated power outages or power surges. Likewise, using a surge protector is a surefire way to protect the chamber and its electrical components. You also need to keep in mind the type of testing you are doing. For example, there are increased hazards when conducting battery tests. Power interruptions during battery testing increase the risk of hazardous events such as thermal runaway. Losing power mid-test also means the battery safety features will no longer work. Not only will this affect your test results, but it will leave your battery components vulnerable to damage, costing you money in the form of damaged products and delayed test times. So it's best to avoid battery testing in bad weather, or invest in a generator to keep your lab powered in the event of a power outage. Finally, remote testing techniques will not work during a power outage. This can present challenges if test room users are not in your lab when a large number of active rooms lose power. For example, you can no longer know what is going on in your room. In addition, test data may also be lost. This can be frustrating and delay your testing plans. After your test chamber is powered off Once power is restored to your chamber, it is best practice to verify that all chamber functions are working as expected. If some functions do not function properly after a power outage, please contact your manufacturer for further assistance. You should keep them on call at all times, not only for routine maintenance, but for rare situations like unexpected power outages. If you are testing while the power is out, you will usually want to restart the entire test when power is restored. However, this depends on factors such as the internal conditions of the stability test chamber prior to the outage, the duration of the outage, and the specific tests you are running. Review the testing criteria you are using to inform your recovery decision. In most cases, a change in temperature or humidity conditions will affect your test and you will need to start over. Fortunately, there are some precautions you can take to ensure that downtime is minimized and damage to your photostability chamber is avoided. Preventive measures you can take If you anticipate that severe weather may threaten your laboratory's electrical supply, disconnect your test chamber from the mains voltage. It is recommended that you suspend any testing until you are confident that the threat to the power source has passed. If you are using remote testing capabilities, the lab should have a plan and system in place to handle sudden power outages. This will vary from lab to lab, but it is recommended to have an emergency power source such as a generator and a surge protector for the lab. Otherwise, you could lose important data and run the risk of adding unnecessary wear and tear to test chamber components. To ensure your lab is well-equipped to handle potential power outages, consult a trusted manufacturer for optimal lab design. In addition to preparing you for potential power outages, reliable manufacturer XCH Biomedical will provide you with layout recommendations for increased efficiency and safety. Ultimately, if you use surge protectors and maintain emergency power, your lab should be well protected against power threats, keeping your test schedule on schedule and your test equipment safe. Environmental chamber manufacturers XCH Biomedical is an industry leading laboratory designer and manufacturer. Contact us today to learn more about what you can do to prevent power outages in your environmental chamber and what to do if this happens.
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  • Stability Test Chamber: Ensuring the Reliability of Products
    Feb 22, 2023
    Stability test chambers are specialized equipment designed to evaluate the reliability and stability of products under various environmental conditions. These chambers simulate harsh environmental conditions like high and low temperatures, humidity, and light exposure that the products may encounter during their lifecycle. This testing process is essential to ensure that the product meets the required quality standards and performs reliably throughout its intended lifespan. The stability test chamber works by providing a controlled environment where the product is subjected to different stress factors, such as temperature, humidity, and light exposure. The chamber is fitted with sensors that monitor and control the conditions inside the chamber. The sensors transmit data to a computer, which analyzes and records the results. The product is placed inside the chamber, and the conditions are varied according to the test protocol. The stability test chamber is widely used in various industries, including pharmaceutical, medical, and food industries. In the pharmaceutical industry, stability testing is required by regulatory bodies to ensure the safety and efficacy of drugs. Stability testing is also crucial in the food industry, where it is used to evaluate the shelf life of food products and their resistance to microbial growth. The photostability chamber can also be used for accelerated testing, which involves exposing the product to harsh environmental conditions to speed up the testing process. Accelerated testing is useful in situations where the product lifespan is shorter than the traditional testing period. For instance, in the electronics industry, the lifespan of electronic components is relatively short. Therefore, accelerated testing is used to determine the performance of the components under harsh conditions and predict their lifespan. Stability test chambers are available in different sizes, depending on the product being tested. Some chambers are designed for small products like pharmaceuticals, while others are designed for large products like vehicles. Like walk in stability chamber. The chambers can also be customized to suit the specific needs of the user. In conclusion, the stability test chamber is an essential tool in the product development process. It plays a significant role in ensuring the reliability and safety of products by evaluating their resistance to harsh environmental conditions. The data obtained from stability testing is crucial in making informed decisions about the quality and performance of products. It is, therefore, important for manufacturers to invest in stability test chambers to ensure the quality and reliability of their products.
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  • Why are stability test chambers important?
    Feb 13, 2023
    Stability test chamber play a vital role in ensuring the quality and safety of products. By simulating real-world storage conditions. A Stability chamber is a type of environmental chamber used in the pharmaceutical, cosmetic, and food industries to simulate and control storage conditions for products. The purpose of a stability chamber is to determine the shelf life of a product and to ensure that it remains within acceptable quality limits during its intended storage time. Stability chambers are designed to simulate different temperature and humidity conditions, and can be programmed to maintain specific conditions for extended periods of time. They typically have a temperature range of between 5°C and 60°C, and a humidity range of 20% to 80%. The temperature and humidity are monitored and controlled using sensors and actuators, and the data is recorded and analyzed to determine the stability of the product. In pharmaceuticals, stability chambers are used to test the humidity and temperature controlled chamber of drugs, vaccines, and other medical products. This is critical to ensure the safety and efficacy of these products over time, and to ensure that they remain within their shelf life. Stability chambers are used to store samples at specific conditions, and the samples are periodically tested to determine any changes in the product's quality. In the cosmetic industry, stability chambers are used to test the stability of skin care and cosmetic products. This helps manufacturers determine the shelf life of their products, and to ensure that they remain stable and effective over time. In the food industry, stability chambers are used to test the stability of food products, such as packaged food and beverages. This helps manufacturers to determine the shelf life of their products, and to ensure that they remain fresh and safe to consume over time. Stability chambers are critical to ensuring the quality and safety of products. They help manufacturers to determine the shelf life of their products, and to ensure that they remain within acceptable quality limits during storage. This helps to ensure that consumers receive safe, high-quality products that meet their needs and expectations. You can access stability chamber manufacturer to know more details.
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  • Types of Stability Chamber requirements
    Feb 06, 2023
    Stability Chambers are specialized enclosures that create a controlled temperature and humidity environment. Industries as diverse as pharmaceuticals, packaging, environmental testing and controlled storage use immersion or walk-in test chambers for stability testing. These test rooms are designed to find defects or weaknesses in products under different conditions by providing a controlled testing environment. Stability chamber qualification requirements fall under the category of installation, operation, and performance. Stability test chambers are subject to these three qualification tests before being put into operation. Stability Room Qualification Requirements To be certified to perform stability testing, an environmental chamber must go through a three-part qualification process. Qualifications must also include calibration records for all instruments used and evidence of their calibration status. The three qualification types are Installation Qualification (IQ) Operation Qualification (OQ) Performance Qualification (PQ) Together, these three stability chamber qualification requirements and tests support and document proper operation. Installation Qualification (IQ) Overview: The first qualification verifies that the stability chamber complies with its design specifications. All parts have been counted and checked for proper fit. Appropriate documentation must also be provided, including user manuals and any certifications and standard operating procedures (SOPs). Requirements: All components must be properly installed and functional for the stability chamber to pass installation qualification. If the chamber has a control panel with a human machine interface (HMI) or other guidance devices such as buttons and selector switches, they must function as designed. All alignment and safety equipment also needs to pass inspection. Operation Qualification (OQ) Overview: Run qualification tests to stabilize the room's functions and verify that systems and subsystems operate as expected within the normal operating range—including testing all doors, switches, controls, and alarms. REQUIREMENTS: The operational qualification test verifies that the temperature and humidity inside the chamber are equalized. To ensure accurate temperature and humidity readings, the operator waits a few minutes for them to stabilize, then runs the test for the specified time. Conduct Open Doors studies prior to completing operational qualifications. The test consists of opening the door for short periods of time while recording temperature and humidity at short intervals. The door opening test was repeated at least three times to calculate the average recovery time of the chamber. Performance Qualification (PQ) Overview: Performance qualification verifies that the stable chamber meets performance specifications at full load. Typically, testing is performed at the operating set point of the chamber, loading a mock product to replicate a typical environment. Measure temperature and relative humidity uniformity using thermocouples and relative humidity (RH) sensors. Requirements: The stability chamber must operate at full capacity for at least 24 hours to pass performance qualification. After the initial study is complete, the trial will be repeated with an open door study to calculate its mean recovery time. The stability laboratory qualification and performance process is conducted annually using the same procedures as past testing. After each reaccreditation, the results should be compared to previous years to track the Chamber's overall performance. XCH Biomedical Stability chambers in pharmaceutical XCH Biomedical designs and manufactures a wide range of climatic test chambers in compliance with ICH guidelines, including stability chambers, temperature and humidity chamber, walk in environmental chamber,Incubator For Bacterial Culture and vacuum drying oven. You can click to view our full product line.
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  • Considerations Needed When Purchasing a Laboratory Oven
    Jan 17, 2023
    One of the essential pieces of equipment in any materials testing laboratory is an oven, also known as a oven. They remove surface moisture while heating the material. Drying chambers are used in a variety of different applications such as sterilization, annealing, aging tests and incubation. Choosing a laboratory drying oven is an important purchasing decision. With a large number of ovens available with different configurations and characteristics, it is important to understand how to evaluate an oven based on various specifications and capabilities. How to choose a drying oven for laboratory Read on to learn five factors to consider before purchasing a lab drying cabinet. 1. Heating method On the surface, each oven works basically the same way—heating and removing moisture from samples inside. Ovens, however, accomplish this differently. Ovens utilize three heating methods: infrared (IR) heating, convection heating, or a combination of the two. Ovens that use convection heating are equipped with fans that circulate hot air around the chamber to evenly heat the sample. Meanwhile, infrared ovens allow you to target specific areas for heating. They operate by line-of-sight heating, which means they transfer heat to the part of the object that is directly within the line-of-sight of the heater. Ovens with hybrid infrared convection heating systems tend to be favorites of professionals because they offer greater drying flexibility. 2. Oven structure How an oven is constructed determines its performance. When you're examining an oven you might want to buy, there are some important structural features to look out for. First, look at the materials used. Depending on your needs, you can choose an oven made of durable, non-corrosive and easy-to-clean stainless steel. Then, look at its insulation. A well-insulated oven prevents heat loss that could damage samples. If you are performing high temperature processes, choose a double wall oven to ensure it can withstand extreme heat. Also, to avoid any heat loss, choose doors with heavy-duty doors and safety hinges for a tight seal that keeps air out. Another factor to watch carefully are the controls. The oven with digital PID (Proportional, Integral, Derivative) control is programmable for more accurate testing and includes many features such as calibration routines and data logging. You may also want an oven with overheat protection to help keep you safe in the lab. They automatically shut off if the temperature exceeds a certain point, preventing fires and accidents. 3. Chamber size How large or small is your sample size? This will help you determine the size of the oven to buy. Choosing a chamber that is too small will be a hindrance to your productivity. At the same time, a device that is too large will make your lab feel cramped and cost more due to its higher heat output. So before looking for an oven to buy, measure the available space in your lab. Take note of the width and height to get a better idea of which ovens to consider and which might not fit. 4. Heating uniformity No matter how many are placed, the samples in the oven must receive the same heat treatment. Therefore, the heat should be consistent throughout the oven. This is known as heating or temperature uniformity. Several factors can affect the uniformity of heating in an oven, primarily the way the oven is constructed. If the insulation is inconsistent or there are small gaps in the oven door, cold air can seep in and disrupt the temperature in the room. These cold spots cause some samples to get hotter than others. For example, if you place samples that are subjected to varying degrees of heat, this can result in poor product quality or inconsistent and unreliable results. That's why it's in your best interest to look for an oven that distributes heat evenly. But how do you know if it exists? Usually, reputable manufacturers will provide information about the heating uniformity of their ovens on their official product pages online. For example, on the official page for Across International's 250C 3 Shelf Vacuum Oven, you'll find it clearly states that its temperature uniformity is ±7% of set point. 5. Recovery time Whenever you open the oven door to add or remove samples some heat is released. When this happens, the oven increases energy output to compensate for heat loss. The time it takes to return to the proper temperature is the recovery time of the oven. Ovens with shorter recovery times allow for greater accuracy and thermal uniformity, but at the cost of adding more load to the system. Depending on your specific use case, this may be a negligible or non-negotiable feature. If your samples have very complex heating requirements, it is best to purchase an oven with a short recovery time. Or, if your oven has a relatively long recovery time, it can prevent excessive heat loss. Being more careful when preparing samples can help limit how often the oven door is opened. Adding the proper amount of sample to the oven allows for better and even heat transfer. Invest in a high-quality vacuum oven with pump Since laboratory drying ovens play an important role in laboratory testing, taking the time to choose which oven to purchase will save you money and worry. It starts with understanding what exactly you need your oven to do. There is no perfect oven, only one that suits your needs. This will help you determine which heating method is right for you, what materials, sizes and widths you need in the oven's construction, and how it manages its internal energy system. Check out XCH Biomedical for high quality, durable and reliable laboratory vacuum oven. If you are still not sure which oven to buy for your laboratory, you can easily consult XCH Biomedical.
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