A high/low temperature and low pressure test chamber is a device specifically designed to simulate the performance of materials, components, or products in high-altitude environments. This chamber can operate under varying temperature and low pressure conditions, helping researchers and developers understand the reliability and durability of products in high-altitude, low-pressure, and extreme temperature environments.

This test chamber is suitable for simulating environmental tests on complete devices, components, and materials under single or multiple climate factors (high temperature, low temperature, damp heat, low pressure). It is used to evaluate the reliability of products or material components under corresponding temperature, damp heat, and low pressure environments for use, storage, and transportation. It can also simultaneously test the electrical performance parameters of the test specimens while they are powered on.

製品パラメーター

パラメータ	ETQ7025	ETQ7050	ETQ7100	ETQ7200
試験量	250 Liters	500 Liters	1000 Liters	2000 Liters
Chamber Dimensions (W×D×H)	600mm × 600mm × 700mm	800mm × 700mm × 900mm	1000mm × 1000mm × 1000mm	1400mm × 1200mm × 1200mm
Overall Dimensions (W×D×H)	1000mm × 1800mm × 1880mm	1500mm × 2750mm × 1900mm	1400mm × 3250mm × 2000mm	1810mm × 3710mm × 2310mm
電源	AC380V ±10%, 50Hz ±1, 3-phase 4-wire + grounding (3/N/PE), grounding resistance <4Ω
Max. System Power	Approx. 29.4 kW	Approx. 39.4 kW	Approx. 54.7 kW	Approx. 60.7 kW
Max. System Current	Approx. 47.2 A	Approx. 77.2 A	Approx. 95 A	Approx. 102.5 A
冷却方法	Water-cooled type (refrigeration unit)
Installation Site Requirements	1. Level floor, good ventilation, free from flammable, explosive, or corrosive gases/dust. 2. Drainage facility within 2m of the refrigeration unit for condensate removal. 3. Floor load capacity ≥ 60 kg/m². 4. Power supply compliant with chamber requirements. 5. If water or air supply is required, pre-install connections. 6. Ambient temperature: 5°C~25°C for optimal performance; 25°C~35°C for normal operation (air-cooled type); 5°C~40°C for normal operation (water-cooled type with appropriate cooling water system). 7. Ambient humidity: ≤85% RH. 8. Atmospheric pressure: 86kPa~106kPa. 9. Sufficient clearance for maintenance around the unit.
Cooling Water Source	Water temperature: 5°C ~ 28°C ensures full performance; 28°C ~ 33°C permissible (cool-down rate may vary). If using air-conditioning water ≤10℃, take measures against condensation. If air-cooled version is selected: no cooling water required. If a new cooling water circulation system is needed: cooling tower capacity ≥50 tons or chiller cooling capacity ≥60 kW (at 20℃); the system shall comply with GB50050-1995 “Standard for Design of Industrial Circulating Cooling Water Treatment”.
Temperature Test Parameters	Inlet water: ≥38 tons/hour Pipe diameter: G2.5 inch × 2 Inlet pressure: 0.3MPa ~ 0.6MPa Pressure difference (inlet-outlet):≥0.2MPa Water quality: complies with GB50050-1995	温度範囲： -72°C ~ +180°C 温度の均一性： ±2.0°C 温度変動： ±0.5°C 加熱速度： ≥10℃/min point-to-point linear (ambient pressure, -65℃~+125℃) 冷却速度： ≥10℃/min point-to-point linear (ambient pressure, -65℃~+125℃) Humidity range: 10%RH ~ 98%RH Humidity uniformity: ±3.0%RH Humidity deviation: ±3.0%RH Pressure control range: ambient pressure ~ 5kPa, adjustable; low temp capability (-55℃, 2.7kPa) Pressure reduction time: <45 min (ambient pressure → 0.5kPa)

製品の特徴

1. Expandable mobile platform management via APP

2. Specially designed water-ring low-pressure control technology for efficient and balanced pressure control.

3. Multiple protection facilities, equipped with a wireless remote alarm device.

4. Uses an LCD touch screen with a fault dialogue menu and a fault diagram and troubleshooting menu.

5. Built-in radiation shield design effectively ensures temperature uniformity under low pressure conditions.

6. Intelligent and efficient servo cooling flow control technology, energy-saving, and rapid and precise temperature rise and fall.

7. The equipment can be expanded with remote service functions and provides machine training CDs.

8. The test program has intelligent power-off reset, automatic memory link, and automatic origin start functions.

Applications & Scenarios

1. Aerospace:

Aircraft component testing: Evaluates the performance of aircraft components (such as electronic equipment, structural materials, seals, etc.) under high-altitude, low-temperature, and low-pressure conditions to ensure their reliability and safety during high-altitude flight.

Spacecraft equipment testing: Tests the durability and stability of spacecraft components (such as satellite electronic equipment, solar panels, etc.) in the space environment to ensure their normal operation in orbit.

2. Electronics and electrical industry:

Electronic component testing: Evaluates the performance and reliability of electronic components (such as semiconductor chips, capacitors, resistors, etc.) under extreme temperature and low-pressure environments. Consumer Electronics Testing: Tests the stability of consumer electronics products such as smartphones, laptops, and tablets under high and low temperature and low pressure conditions to ensure their normal operation in high-altitude areas.

3. Automotive Industry:

Automotive Electronics: Evaluates the performance of in-vehicle electronic equipment (such as navigation systems, sensors, and control units) in high-altitude and low-temperature environments to ensure their reliability under various geographical conditions.

Engine Testing: Tests the starting performance and operational stability of engines and related components under low pressure and low temperature conditions to ensure the normal operation of vehicles in high-altitude areas.

4. Military Equipment:

Military Electronic Equipment: Evaluates the performance and reliability of military electronic equipment (such as communication equipment, navigation devices, and radar) under extreme environmental conditions to ensure their normal operation in various combat environments.

Personal Equipment: Tests the durability of portable equipment used by soldiers (such as night vision devices, flashlights, and communication equipment) in high-altitude and low-temperature environments.

5. Pharmaceuticals and Biotechnology:

Pharmaceutical Stability Testing: Evaluates the stability and efficacy of pharmaceuticals under extreme temperature and low pressure environments to ensure their quality under different storage and transportation conditions.

Biological Product Testing: Testing the stability and activity of vaccines and other biological products under low temperature and low pressure conditions to ensure their effectiveness in high-altitude areas.

6. Materials Science:

Materials Durability Testing: Evaluating the physical and chemical properties of novel materials (such as high-performance composite materials and coating materials) under extreme temperature and low pressure environments.

Sealing Material Testing: Testing the sealing performance of various sealing materials under low pressure and extreme temperature conditions to ensure their reliability in practical applications.

7. Telecommunications Industry:

Communication Equipment Testing: Evaluating the performance of base stations, antennas, satellite communication equipment, etc., under high altitude and extreme temperature conditions to ensure their stable operation in harsh environments.

Fiber Optic and Connector Testing: Testing the connection performance and durability of fiber optics and connectors under low pressure and extreme temperature conditions.