The rain test box is suitable for the external lighting and signal equipment and the protection of the shell of the automobile lamps and lanterns. It can provide a realistic simulation of the electronic products and their components in the transportation and use of the possible conditions such as drench and spray test. In order to detect the waterproof performance of various products.

Operation specification

First, switch on the power, then turn on the power switch, and the power light is on. It means that the controller will automatically enter the fixed stop interface.

1, when the power supply is turned on, the machine will stop running when the control program is completed.

2. When the control program is completed, the machine will stop running.

3. Open the handle of the box door, put the test sample on the sample rack, then close the box door.

Note: the capacity of the sample can not exceed 2/3 of the test area.

4. According to the “TEMI880 operation manual”, the test setup operation is carried out first, and then the test state is entered according to the mode of operation.

5. In the test, if you want to observe the change in the box, the door light switch can be opened and the changes in the internal change can be opened through the window. The change of temperature and humidity in the test box will be displayed on the controller (if the humidity is tested without humidity, the humidity value is not displayed).

6. Open the door handle of the box, take out the test sample from the sample rack, check the test sample, and record the test status.

Application

The UV weather resistance test box uses fluorescent ultraviolet lamps and condensed water to simulate sunlight and dew conditions respectively. For example: fading, discoloration, loss of light, cracking, turbidity, blistering, embrittlement, strengthening, recession and oxidation, etc.

Features

The UV accelerated aging test chamber can simulate environmental conditions such as self-climate ultraviolet rays, rain, high temperature, high humidity, dew condensation, darkness, etc. By reproducing these conditions, it is merged into a cycle, and it automatically executes the number of cycles completed. In this process, the equipment can be used for automatic monitoring of blackboard temperature and water tank temperature; by configuring irradiance measurement and control device (optional), the irradiance can be measured and controlled, and the irradiance is stable at 0.76W/m2/340nm or specified setting. Fixed value, greatly extending the service life of lamps.

Light source
1.The board temperature、condensing temperature control with controller;
2.The rest are imported electronic components:
*Irradiance uniformity：≤4%（At the surface of the sample）
3.Blackboard temperature monitoring：Use standard Pt-100 blackboard temperature sensor,Accurate control of the sample surface temperature during the test process;
*Blackboard temperature setting range：BPT 40-75℃；
*But the temperature protection inside the machine actual max temperature is 93℃±10%
*Blackboard temperature control accuracy:±0.5℃，
4.Tank temperature monitoring:
*During the circle test,there’s a test section is dark condensation process，it requires high temperature saturated steam inside the chamber，when the steam hits a relatively cold surface of the sample，Dew will condense on the surface of the sample。
*The tank is located at the bottom of the chamber,Built-in electric heater;
*Tank temperature control range：40~60℃;
5.The test chamber is equipped with a time controller，range 0~530H,backup data for power fail;
6.Safety protection equipment：
*Over temperature protection in chamber：when temperature exceed 3℃±10% in chamber，the machine will automatically cut off the supply of the lamp and heater，and go into equilibrium state cooling
*Low water tank alarm，Prevent heater from burning

Chamber Material
*Inner container use SUS304# stainless steel plate;
*Outer shell use SUS304# stainless steel plate;
*Specimen frame use stainless steel and aluminum alloy net frame，easy access to samples;

Mainframe Working Environment
*Power requirement：220V±5%，single-phase three-wire,50Hz,8A，request 10A slow-blow fuse;
*Environment:5~35℃，0~80%RH，good ventilation，Indoor environment cleaning;
*Area of work about 234*353cm;
*Water draining：A drain is needed on the floor near the main engine ease movement,foot wheel is installed at the bottom of the instrument，After the position is fixed, the position of the test machine is fixed with a U-ring;
*For the convenience of heat dissipation and maintenance，The installation of the equipment must meet the following conditions;
*Adequate maintenance space should be maintained between the equipment and walls or other equipment after installation and adjustment;
*The environmental temperature of the installation site should not change sharply；
*It should be installed on horizontal ground（Use a level meter to confirm the level on the ground during installation）；
*It should be installed in places without direct sunlight；
*It should be installed in a well-ventilated place；
*Should be installed away from combustible materials、explosive and High temperature source；
*It should be installed in a little dusty place ;
*Install close to the power source;

Control meter
The device use a true color touch screen,PID temperature intelligent control device，High precision temperature control and good stability

Structure Profile
1.Equipment shell and inner room are selected high quality SUS304，The most advanced processing equipment in China is used for processing and forming;
2.The surface of the shell is sprayed with plastic，beautiful，smooth。Color coordination，smooth line;
3.The defects of surface damage caused by aluminum plate surface spraying are avoided.The equipment workshop is equipped with a humidifying heater、liquid level switch、blackboard temperature sensor etc，It also has eight ultraviolet radiation fluorescent and UV radiometer
4.High quality immovable PU wheel is installed at the bottom of the machine，The machine can be moved to the specified location easily，Finally, the caster is fixed;

• Two-Zone (Elevator Type): The test sample is placed in a motorized basket that moves vertically between a hot chamber and a cold chamber.
• Three-Zone: The sample remains stationary in a center “test zone.” Damper valves alternate the flow of pre-heated or pre-cooled air into the test zone.
• Liquid-to-Liquid: The sample is mechanically dipped into baths of different liquids. This provides the fastest possible heat transfer and is used for the most rigorous military and aerospace standards.

2. Purpose of the Test

• Material Cracking: Due to mismatched thermal expansion rates between different materials.
• Solder Joint Failure: Particularly in PCB assemblies where micro-cracks can form under stress.
• Seal Leaks: Identifying failures in gaskets or hermetic seals.
• Coating Delamination: Checking if paints or protective coatings peel off during rapid temperature swings.

3. Key Features in 2026

• Energy Recovery Systems: Modern 2026 models utilize heat exchange technology to reuse energy between the hot and cold zones, significantly reducing electricity costs.
• AI-Enhanced Control: Controllers now use AI algorithms to prevent “temperature overshoot,” ensuring the sample reaches the exact target temperature faster without exceeding safety limits.
• Sustainability: Following 2026 environmental mandates, chambers use ultra-low GWP (Global Warming Potential) refrigerants to minimize their carbon footprint.

4. Common Applications

• Semiconductors & Electronics: Testing the reliability of microchips, sensors, and 5G modules.
• Automotive: Evaluating EV battery management systems (BMS) and engine sensors that face extreme heat cycles.
• Aerospace: Testing components that must endure the transition from sea-level heat to the freezing temperatures of high altitude.
• Defense: Ensuring military hardware remains operational in the world’s most hostile climates.

1.LCD display and a pid controller or touch screen programmable controller.

2.Entire PVC sheet material, the internal ring with the use of advanced three-dimensional flutter high technology products, strong structure, fresh, never deformation and acid and alkali, high temperature and never aging, for salt spray, copper acetate, and other test specifications.

3.Controller are in the same panel, the operation simple and clear.

4.Neutral salt spray (NSS), acetic acid salt spray ( AASS ), copper accelerated salt spray ( CASS ) either of the test laboratory.

• Constant Testing: Maintaining a steady temperature and humidity level (e.g., 85°C and 85% relative humidity) for long-duration stability testing.
• Cycling Testing: Programmed to fluctuate between extremes (e.g., from -70°C to +180°C) to simulate day/night cycles or seasonal transitions.
• Accelerated Aging: Forcing a product to “age” by subjecting it to harsh conditions to predict its lifespan and identify potential points of failure.

2. How It Works

• Heating/Cooling: Uses electric heaters and mechanical refrigeration (or liquid nitrogen) to reach temperature setpoints.
• Humidity Control: Steam generators or ultrasonic atomizers add moisture, while specialized dehumidification coils or desiccant dryers remove it.
• Airflow: High-velocity fans ensure a uniform environment throughout the entire chamber so that the sample is treated equally on all sides.

3. Key 2026 Technological Features

• Green Refrigerants: Following strict 2026 environmental regulations, most new models utilize low-GWP (Global Warming Potential) refrigerants to reduce their carbon footprint.
• AI Diagnostics: Advanced controllers now feature AI-driven predictive maintenance, notifying users before a sensor or compressor fails to prevent costly test interruptions.
• Remote Cloud Monitoring: Real-time data is synced to mobile apps and cloud platforms, allowing engineers to monitor long-term tests from anywhere in the world.

4. Common Applications

• Electronics: Testing for circuit board corrosion and solder joint fatigue.
• Pharmaceuticals: Mandatory stability studies to determine the shelf life of vaccines and medications.
• Automotive: Evaluating the durability of interior plastics and external sensors against tropical humidity.
• Food & Packaging: Testing how moisture affects packaging integrity and food spoilage.