JIETE JTCL-225L-40-LPW Alitute Test Chamber (225L; -40°C~+160°C; 1KPa ~atmospheric pressure; Water cooling)

Chamber Design:

Internal Volume (L): 225

Internal Dimensions (cm): 60x50x75

External Dimensions (cm): 90x204x205

Temperature Test Parameters:

Temperature Range (°C): -40°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

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.