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Alitute Test Chamber

Alitute Test Chamber

The Low Pressure Test Chamber is designed to simulate high-altitude or low-pressure environments, providing a controlled atmosphere for testing the performance and reliability of products subjected to low-pressure conditions. These chambers are commonly used in industries such as aerospace, automotive, electronics, and military, where products are required to withstand extreme conditions encountered in high-altitude environments or space applications.

Overview

The Low Pressure Test Chamber is designed to simulate low-pressure environments, such as those encountered at high altitudes or in space, to evaluate the performance and durability of products under extreme atmospheric conditions. It is widely used in industries including aerospace, electronics, automotive, and military, where products must endure the stresses of low-pressure environments.

This chamber provides precise control over both pressure and temperature, allowing testing under conditions that replicate real-world high-altitude and space environments. It is ideal for testing a range of products, including electronic components, seals, sensors, and materials, ensuring that they perform reliably under low-pressure conditions.

Features

  • Wide Temperature Range: Operates from -70°C to 160°C, covering extensive testing needs.
  • Wide Pressure Range: Simulates low-pressure conditions with a pressure range from 1KPa (approximately 10 mbar) to standard atmospheric pressure, ideal for testing high-altitude and space environments.

  • Temperature and Pressure Control: Offers precise control over both temperature and pressure to create stable, repeatable testing conditions for a variety of applications.

  • Built-in Safety Features: Includes safety mechanisms such as pressure relief valves and automatic shutdown to protect both the chamber and the products being tested.

  • Real-Time Monitoring: Equipped with advanced monitoring and data logging systems to track pressure, temperature, and humidity throughout the test cycle, ensuring compliance with industry standards.

  • High-Quality Construction: Designed with durable, high-performance materials to withstand extreme conditions and ensure reliable operation over time.

  • Customizable Testing Conditions: Provides the flexibility to simulate a variety of environmental conditions, meeting the needs of industries that require non-standard or specialized testing.

Detailed Parameter List

MODEL JTCL-XL-40-LPA/W/JTCL-XL-70-LPA/W
Chamber Design
Internal Volume L 150 225 408 600 800 1000 2000 3000
Internal Dimensions (cm) W 50 60 80 100 100 100 160 100
H 50 50 60 100 100 100 100 200
D 60 75 85 60 80 100 125 150
External Dimensions (cm) W 80 90 110 130 130 130 190 145
H 204 204 214 254 254 254 234 260
D 190 205 215 195 215 235 259 320
Temperature Test Parameters
Temperature Range  °C -40°C~+160°C/-70°C~+160°C
Heating Rate °C/min Raise from 25 ℃ to 120 ℃ for 60 minutes, with an average of the entire process (no load at atmospheric pressure)
Cooling Rate °C/min Reduce from 25 ℃ to -40 ℃ for 60 minutes, with an average of the entire process (no load at atmospheric pressure)
Excessive Temperature Rise And Fall ≤± 2 ℃, no overshoot within the allowable temperature deviation range according to GB/T5170
Temperature Fluctuation °C <1.0(Atmospheric No-load)
TemperatureUniformity °C ≤ 2.0 (Atmospheric -40~+110 ℃ Range/No-load)
Temperature Deviation °C Deviation ± 2 ℃ when<100 ℃ to -40 ℃ (atmospheric no-load) Deviation ± 3 ℃ when ≥ 100 ℃
Pressure Test Parameters
Pressure Range KPa 1KPa ~atmospheric pressure
Air Pressure Deviation KPa ≤± 2kpa (≥ 40kpa), ≤± 5kpa (5 to 40kpa)
Low Pressure Indication Error KPa ≤± 2kpa (≥ 40kpa), ≤± 5kpa (5 to 40kpa)
Air Pressure Change Rate KPa/Min Pressure change rate ≥ 3kpa/min (entire pressure range, with load) Note: Pressure reduction rate ≥ 2500ft/min (normal pressure~25kPa, with load)
Voltage Reduction Time Min Less than 20 minutes at atmospheric pressure~5KPa
Pressure Recovery Speed KPa/Min Less than 10KPa per minute
Comprehensive Parameters
Comprehensive Inspection Of Temperature Deviation ≤± 3 ℃ (0~100 ℃), ≤± 5 ℃ (100-160 ℃), ≤± 2 ℃ (normal pressure~50kpa/0~40 ℃)
Comprehensive Inspection Of Low-pressure Deviation ≤± 2kpa (≥ 40kpa), ≤± 5% kpa (5-40kpa)
Comprehensive Inspection Of Temperature Fluctuation ≤1.0℃
Comprehensive Inspection Of Temperature Uniformity ≤± 3 ℃ (0~100 ℃), ≤± 5 ℃ (100-160 ℃), ≤± 2 ℃ (normal pressure~50kpa/0~~50 ℃)
Comprehensive Inspection Of Temperature Indication Error ≤± 3 ℃ (0~100 ℃), ≤± 5 ℃ (100-160 ℃), ≤± 2 ℃ (normal pressure~50kpa/0~40 ℃)
Comprehensive Inspection Of Low-pressure Indication Error ≤± 2kpa (≥ 40kpa), ≤± 5% kpa (5-40kpa)
Comprehensive Inspection Of Low-pressure Change Rate Pressure reduction rate ≥ 2500ft/min (atmospheric pressure~25kPa, with load)
Power Supply And Connection
Rated Voltage V/HZ AC380V 50HZ(Can be adapted to different national voltage requirements)
Control Mode PID+SSR
Environmental Temperature/Humidity For Use A air-cooled (ambient temperature: 5 ℃~28 ℃)/W water-cooled (water temperature: 10 ℃~28 ℃, water pressure: 0.25~0.4MPa)
System Components
Material Science Shell Material Double sided spray painted 1.5mm galvanized color steel plate
Inner Liner Material SUS # 304 stainless steel plate
Thermal Insulation Material Rigid polyurethane foam
Refrigeration System Cooling Method Butterfly valve compression refrigeration
Compressor Emerson Valley Wheel Fully Dense Vortex Compressor
Refrigerant Non fluorinated environmentally friendly refrigerant HFC R404A R23
Heating System Nickel chromium wire heater
Circulating Fan Centrifugal fan
Door Observation Window The single door is equipped with a 3-layer vacuum glass observation window for heat and sweat prevention; Door frame electric heating (automatic adjustment) anti frost and anti condensation device
Temperature Sensor Platinum resistance PT100
Temperature Controller High precision resistive touch screen, can be controlled by a USB external mouse; Historical curve record, PID+SSR/SCR automatic bidirectional synchronous output
Noise dB(A) Below 75dB from 1 meter away
Enclosure Stainless steel test rack with 2 layers; User manual, technical data