Product principle and the role of high and low temperature low-pressure chamber is mainly used in aviation, aerospace, electronics, defense, scientific research and other industrial sectors to determine the electrical and electronic products (including components, materials and instrumentation) such as low temperature and low pressure in the high single or simultaneously under the storage and transportation reliability tests performed, and the specimen is energized at the same time to test the electrical performance parameters. Equipment complies with the relevant standards to meet the following criteria: requirements GB / T10591, GB / T10592 in. Technical indicators 1. Studio Size: KB-578 (800 × 850 × 850) (available upon request) 2. Temperature range: -40 ~ 150 ℃ 3. temperature deviation: ± 2 ℃ 4. Temperature fluctuation: ± 0.5 ℃ 5. Temperature uniformity: ≤2 ℃ 6. Pressure Level: 4 ~ 84kpa structure spray device for cold-rolled steel or stainless steel shell, stainless steel liner 2. Insulation layer: superfine wool and hard polyamine 3. Grease Cooling method: compression refrigeration mode (air-cooled condenser) 4. refrigerator: the original French Taikang closed compressor 5. Heater: military-grade stainless steel finned convection heater 6. System: Multi-blade fan, air conditioning, private 7. Motor temperature control device: digital intelligent temperature controller, temperature sensor using the PT-l00. 8. Control cabinet electrical components arranged in a reasonable layout, wiring neat and use printed logo jacket-type terminals. 9. Cass off solenoid valve, expansion valve 10. Denver Division of quality vacuum safety protection device for overload, short circuit protection Over temperature protection 2. 3. 4. chiller high and low voltage protection alarm beep tips