High-Low Temperature Test Chamber

• High-Low Temperature and Humidity Test Chamber: Comprehensive Safety Protection

  Nov 14, 2025

  Widely used in electronics, automotive, aerospace, etc. It tests product reliability by simulating extreme environments and is key equipment for product quality and safety. 1. Refrigeration system safety protection Compressor overpressure protection: Activates pressure relief when overpressure, preventing explosion and ensuring safety. Compressor overheating protection: Monitors temperature in real time, cuts power when exceeding threshold to avoid burnout and extend life. Compressor over-current protection: Monitors current, cuts power when exceeding rated value to prevent overload or motor damage. 2. Test area safety protection Adjustable over-temperature protection: Flexible threshold setting, automatically controls temperature (reduces power, starts cooling) when exceeding, protecting samples and equipment. First-layer high/low temperature over-temperature protection: Sets high/low temperature protection values for operating temperature, stops heating/cooling when exceeding range. Second-layer high-temperature over-temperature protection: Electronic device with high-precision detection, cuts heating power when exceeding first-layer range. Third-layer high-temperature over-temperature protection: Last barrier, cuts all heating power and alarms when first two layers fail. Fault protection: Cuts control power when faulty, indicates cause and outputs alarm for easy troubleshooting. 3. Other safety protections Total power phase sequence and open-phase protection: Monitors phase sequence and open-phase, cuts power when abnormal to prevent damage. Short-circuit protection: Quickly cuts circuit (fuse blowing, breaker tripping) during short circuit to avoid fire, etc. Leakage/surge protection: ELB prevents electric shock, fuse protects circuit, RC device suppresses surges. Water-cut and dry-burning protection: Cuts power for humidity-related equipment and electric heating when water is cut off to prevent dry burning. 4. Summary     The safety protection system of the high-low temperature and humidity test chamber covers core working units and key auxiliary links, forming a comprehensive and multi-level protection closed loop. Through accurate monitoring, rapid response and effective intervention, each protection device not only ensures the long-term stable operation of the equipment and extends its service life, but also safeguards the safety of test samples and personnel operation. It serves as the core support for reliable test processes and accurate results, building a solid safety barrier for product quality verification.

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