Altitude Test Chambers
Walk-in high and low temperature low pressure chamber
  • Model:KU-4500
  • Volume:4.5m³
  • Temp Range:-30~+85℃
  • Pressure Range:Atmospheric pressure~50kPa
Products introduction
4.5m³ super large test space, pressure tolerance ±1KPa. Simulate and reproduce the combined environment of altitude (pressure), temperature, and humidity, conduct high-altitude environment use evaluation and storage evaluation for electronic and electrical equipment, and be used for environmental simulation and testing of plateau and aviation application products.

Product alias: walk-in high and low temperature low pressure chamber, large plateau environment climate chamber, altitude temperature test room, temperature and humidity pressure test room, step-type pressure test room, large plateau environment test room.



Technical parameters
Model KU-4500L
Inner chamber size W1500×H1740×D17300mm
Exterior chamber size W1920×H2300×D4320mm
Studio volume 4500L
Temp.Range -30℃~+85℃
Temp.deviation ±2.0℃(Atmospheric pressure)
Temp.fluctuation ≤±0.5℃(Atmospheric pressure)
Temp.uniformity ≤±2.0℃(Atmospheric pressure)
Pressure range Atmospheric pressure~50kPa
Buck rate (Atmospheric pressure~50kPa)≤40min, pressure recovery rate≤10kPa/min
Pressure stability ±1kPa
Humidity range 20~98%RH (under normal pressure, humidity working range +20℃~85℃)
Humidity Deviation ±3.0%RH(>75%RH),±5.0%RH(≤75%)
Use environment 1. Ambient temperature 5°C~35°C; 2. Atmospheric pressure 80kPa~106kPa; 3. Flat ground without vibration; 4. Choose a location with good ventilation and no direct sunlight or direct radiation from other heat sources
Protective device a. Protection switch for heater empty ignition prevention; b. Heater overcurrent circuit breaker; c. Overcurrent overload protection for circulating fan; d. Compressor high voltage protection switch; e. Compressor overheat protection switch; f. Compressor overcurrent Protection switch; g. Overvoltage and under-reversal protection switch; h. Circuit breaker; i. Leakage switch; j. Zero-crossing thyristor power controller; k. Water shortage protection

Test standards

GB/T 10590-2006 Technical conditions for high and low temperature/low pressure test chambers


GB/T 2423.1-2008 Basic environmental test procedures for electrical and electronic products Test A: Low temperature test method


GB/T 2423.2-2008 Basic environmental test procedures for electrical and electronic products Test B: High temperature test method


GB/T 2423.21-2008 Low pressure test method M.


GB/T 2423.25-2008 Low temperature/low pressure comprehensive test Z/AMM


GB/T 2423.26-2008 Test High temperature/low pressure comprehensive test Z/BM


GJB150.2A-2009 Low pressure (altitude) test


GJB150.3A-2009 high temperature test.


GJB150.4A-2009 Low temperature test


GJB150.6A-2009 Temperature Altitude Test


GB/T 5170.1-2008 Testing methods for environmental testing equipment for electrical and electronic products General principles


GB/T 5170.2-2008 Testing methods for environmental test equipment for electrical and electronic products - Temperature test equipment