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The Walk-in High/Low Temperature and Low Pressure Test Chamber is a precision environmental simulation instrument designed to replicate high-temperature, low-temperature, and low-pressure composite conditions. You can use it to perform single-parameter or multi-parameter coupled environmental tests on large-scale equipment, ensuring reliability and performance verification under extreme conditions.

Applications

Avionics equipment testing, spacecraft vacuum thermal testing, new energy sectors (high-altitude lithium battery and photovoltaic inverter testing), and electronic equipment stability verification (5G base stations, communication equipment, etc.).

Standards

GB/T 10590-2006 Technical Specifications for High/Low Temperature and Low Pressure Test Chambers

GB/T 2423.25 Environmental Testing for Electrical and Electronic Products. Part 2: Test Methods. Test Z/AM: Combined Low Temperature/Low Pressure Test

GB/T 2423.26 Environmental Testing of Electrical and Electronic Products. Part 2: Test Methods. Test Z/BM: Combined High Temperature/Low Pressure Test

GJB 150.2A Laboratory Environmental Test Methods for Military Equipment. Part 2: Low Pressure (Altitude) Test

GJB 367.2 General Technical Conditions for Military Communication Equipment. Environmental Test Methods

Features

1.Walk-in design accommodates large equipment and multiple test samples simultaneously.

2.Capable of simulating extreme high/low temperatures and low-pressure environments with precise control.

3.Pressure and temperature control systems ensure uniformity and minimal fluctuation for reliable results.

4.Adjustable pressure change rates allow simulation of realistic ascent/descent conditions.

5.Stainless steel chamber construction with sandblasted surface ensures durability and easy maintenance.

6.Multi-parameter coupling allows high fidelity simulation of complex environmental conditions.

Parameters

Item	Specifications
Nominal Internal Volume	12.1 m³
Chamber Internal Dimensions	2500 mm (L) × 2300 mm (W) × 2100 mm (H)
Chamber Structure	Integral construction required for the equipment chamber
Chamber Material	Inner liner made of stainless steel with sandblasted surface treatment
Temperature Range	-45°C ~ +130°C (maintainable under both normal pressure and vacuum conditions)
Temperature Fluctuation	≤±0.5°C (under normal pressure)
Temperature Uniformity	≤2°C (under normal pressure)
Temperature Deviation	≤±2°C (under normal pressure)
Pressure Range	101.3 kPa ~ 20 kPa
Pressure Change Rate	≤10 kPa/min (adjustable); from normal pressure to 1 kPa ≤30 min
Pressure Recovery Rate	≤10 kPa/min (adjustable and controllable)
Pressure Deviation	±2 kPa (normal pressure ~ 40 kPa)±5% (40 kPa ~ 4 kPa)±0.1 kPa (4 kPa ~ 1 kPa)
Pressure Reduction Time	From normal pressure to 20 kPa ≤30 min
Simulated Altitude	≥10.000 meters