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).