Product Description
High temperature and high humidity test chamber is a testing equipment used to simulate high temperature and high humidity environmental conditions, widely used in the industrial field to test the performance and reliability of products in extreme environments. The following is a detailed introduction about the high temperature and high humidity test chamber:
1 Technical parameters
The main technical parameters of the high temperature and high humidity test chamber include:
Temperature range: usually RT+20 to 150 .
Humidity range: generally 70% RH to 98% RH.
Control accuracy: Temperature accuracy is 0.2 , humidity accuracy is 2.0% RH.
Uniformity: Temperature uniformity 2.0 , humidity uniformity 3% RH.
Heating rate: 1.0 to 3.0 /min.
Cooling rate: 0.7 to 1.2 /min.
Power Supply: AC 220V/380V
2 Working principle
The high-temperature and high humidity test chamber monitors the temperature and humidity inside the chamber in real time through a control system, and automatically adjusts the heating system, humidification system, and refrigeration system according to the set parameters to achieve the set temperature and humidity conditions. The box adopts a sealed design to ensure the stability and reliability of the testing environment.
3 Application Fields
High temperature and high humidity test chambers are widely used in the following fields:
Electronic appliances: used to test the performance of electronic components, integrated circuits, PCB boards, etc. in high temperature and high humidity environments.
Automotive industry: Simulating the usage of cars under different climatic conditions.
Aerospace: Used to test the performance and reliability of spacecraft.
Communication industry: Testing the stability of communication equipment in extreme environments.
Precautions for operation
Before use, carefully read the equipment manual to understand its performance, usage methods, and safety precautions.
When setting test parameters, they should be reasonably set according to the characteristics of the product, avoiding excessively high or low temperature and humidity values.
During the testing process, regularly observe the operation status of the equipment, and if there are any abnormalities, stop the machine for inspection in a timely manner.
After use, clean up any debris and accumulated water inside the equipment to keep it dry and clean.
High temperature and high humidity test chamber is an indispensable testing equipment in modern industry, which plays an important role in product quality control and reliability testing
FAQs for Temperature and Humidity Change Test Chamber
1. What is a Temperature and Humidity Change Test Chamber?
A temperature and humidity change test chamber simulates extreme environmental conditions to evaluate product durability under rapid thermal cycling (-70C to +180C) and humidity variations (10% to 98% RH). It is widely used in electronics, automotive, and aerospace industries for reliability testing.
2. How Does a Temperature Humidity Test Chamber Work?
The chamber uses compressor-based cooling, electric heaters, and steam generators to create precise temperature and humidity profiles. Advanced models feature programmable controllers, real-time data logging, and compliance with IEC 60068-2-1 and MIL-STD-810 standards.
3. Why is Temperature and Humidity Testing Critical?
Testing ensures products withstand harsh environments, preventing failures caused by thermal stress, condensation, or material degradation. Industries like EV battery manufacturing and medical devices rely on these tests for safety certifications and regulatory compliance.
4. What Industries Use Temperature Humidity Change Chambers?
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Electronics: PCB, semiconductors, and consumer devices.
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Automotive: EV batteries, sensors, and interior components.
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Aerospace: Avionics and composite materials.
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Pharmaceuticals: Drug stability and packaging testing.
5. What Standards Do These Chambers Comply With?
Top chambers meet IEC 60068, ASTM D4332, JEDEC JESD22, and ISO 16750-4. Compliance ensures global acceptance for certifications like CE, UL, and IATF 16949.
6. How to Calibrate a Temperature Humidity Chamber?
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Use NIST-traceable sensors for accuracy verification.
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Perform annual calibration via accredited labs following ISO 17025 guidelines.
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Validate temperature uniformity (1C) and humidity stability (2% RH).
Cutting-Edge Anti-Condensation TechnologyEngineered to minimize condensation even at elevated humidity levels, the chamber's advanced anti-condensation technology actively heats the sealed door and incorporates a demisting heater in the multi-layer viewing window. This ensures unobstructed observation of specimens and maintains precise environmental conditions without water build-up on surfaces, protecting both test accuracy and equipment longevity.
Designed for Precision and VersatilityThe chamber accommodates up to 10 specimens per adjustable stainless steel tray and handles test pieces up to 450 x 450 mm, making it highly adaptable for PCB and electronic component testing. Users benefit from programmable test cycles, customizable test widths, and immediate, real-time monitoring through its digital LCD interface, delivering reliable, actionable data for diverse testing needs.
Robust Safety and User-Friendly FeaturesSafety is paramount, with built-in leakage, overheat, and water level protection. Automatic water replenishment, CFC-free cooling, and polyurethane insulation further enhance operational reliability. Caster wheels facilitate easy relocation, while seamless data logging and USB/RS232 connectivity support test traceability and integration with quality control systems.
FAQ's of High Humidity Test Chamber 98% RH - Anti-Condensation Technology for PCB Testing:
Q: How does the High Humidity Test Chamber prevent condensation during testing?
A: This chamber uses anti-condensation technology, including a sealed heated door and a multi-layered insulated viewing window with a demisting heater. These features maintain clear visibility and ensure that condensation does not interfere with test accuracy or specimen integrity, even at 98% relative humidity.
Q: What types of products are best suited for testing in this chamber?
A: The chamber is ideal for PCB testing, electronic components, and environmental simulation applications. Its wide humidity (30-98% RH) and temperature (+10C to +60C) range, along with standards compliance (IEC, ASTM, JEDEC), make it suitable for reliability testing in the electronics and manufacturing sectors.
Q: When should humidity and temperature calibration be conducted?
A: Calibration is recommended according to your internal quality protocols or after extended or critical testing sequences. The chamber offers a built-in calibration port, allowing for convenient and periodic verification of measuring accuracy to maintain 0.5C and 2% RH standards.
Q: Where can this chamber be installed, and what are the ambient operating conditions?
A: The chamber is designed for floor standing in laboratories, manufacturing facilities, or research centers. It operates optimally within ambient conditions of +5C to +35C and up to 85% RH, ensuring versatile application in varied environments.
Q: What is the process for running a humidity test with this chamber?
A: Simply load your specimens onto the adjustable tray, set the required humidity, temperature, and programmable cycle via the microprocessor control, and let the automatic humidification and PID-controlled steam generator manage the environment. Immediate, real-time monitoring and data logging provide complete oversight throughout the testing process.
Q: How can users benefit from the chamber's programmable test cycles and data logging?
A: Programmable cycles enable users to simulate a variety of real-world environmental conditions over time, ensuring comprehensive reliability evaluation. The data logging function ensures all test parameters and results are recorded for traceability, analysis, and quality assurance.
Q: What safety measures are incorporated to protect users and samples?
A: Built-in safety systems include leakage, overheating, and water level protection, alongside sealed construction and polyurethane foam insulation. These features safeguard operators, prevent damage to test samples, and ensure stable chamber performance during all test cycles.