1. The insulation resistance between the terminal and the metal casing of the test chamber must meet specific standards: it should be at least 2MΩ in a cold state and 1MΩ in a hot state, measured using a 500V megohmmeter with an accuracy class of 1.0. Additionally, the equipment must withstand a 50Hz AC voltage of 1500V for 5 seconds during a dielectric strength test.
2. The protective earthing terminal must ensure a reliable and stable electrical connection with the test box’s casing, allowing for easy and secure wiring. It should comply with the requirements specified in section 7.1.9 of GB/T 14048.1-2000, ensuring proper grounding and safety during operation.
3. The high and low temperature low pressure test chamber must be equipped with multiple safety protection systems, including over-temperature, over-current, and water shortage detection, along with alarm functions to ensure safe and reliable operation under all conditions.
4. The noise level of the entire system should not exceed 85 dB(A), making it suitable for use in environments where noise control is important.
The high and low temperature low pressure test chamber is a critical testing device used to simulate environmental conditions such as temperature, pressure, and humidity found in high-altitude areas. It plays a vital role in industries like aviation, aerospace, and defense, where product performance under extreme conditions is essential. These chambers are designed not only for accurate simulation but also for compliance with strict safety and environmental regulations to protect both operators and the surrounding environment.
This equipment ensures that components and materials can endure harsh conditions before being deployed in real-world applications, thereby enhancing reliability and safety. Its robust design and advanced monitoring systems make it an indispensable tool in modern research and development laboratories.
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