The Steam accelerated aging test chamber is one of the commonly used equipment in various aging experiments, suitable for testing the performance indicators of electronic instruments, materials, electricians, vehicles, metals, electronic products, and various electronic components in High temperature and high pressure environments And for quality management purposes.

Performance indicators and composition of each system

model

Sample limitations

This testing equipment prohibits the testing of samples containing flammable, explosive, and volatile substances; Tests for storing samples of corrosive substances, tests for storing organisms, tests for storing samples of strong electromagnetic emission sources, and storage.

to configure

1. Test box, 1 unit

2. Oxygen/nitrogen, 5 bottles each

3. Test computer, 1 set

4. Testing software, 1 set

Volume, weight, and size

Nominal internal volume

0.0628m³

Effective size of inner box

Φ400×D 500（mm）

Exterior space

Approximately 1700 × 2100 × 2000 (mm) W × H × D

weight

660㎏

Work noise

Measure at a distance of 1 meter from the machine and 1.2 meters from the ground in front of the machine, with a value of ≤ 70db

Power, current, and power supply

maximum power

6KW

Maximum current

1*

Power supply conditions

And power supply

AC220V single-phase R, N+protective grounding; The allowable voltage fluctuation range is 10%;

The allowable frequency fluctuation range is 50 ± 0.5HZ; TN-S power supply or TT power supply

The grounding resistance of the protective grounding wire is less than 4 Ω

Require users to configure corresponding capacity air or power switches for the equipment at the installation site, and this switch must be independently controlled. When placing powered samples in the equipment use box, please use an external power source for the sample power supply and do not directly use the local power supply;

performance index 

Environmental conditions for use

The value measured under the conditions of an ambient temperature of+25 ℃, relative humidity ≤ 85%, and no sample in the test chamber.

The amount of steam generated

Can be controlled at (5+0.5) L/min;

Timing device

999min, error ± 1s

Nitrogen flow rate

The controller can control the flow rate at (500+250) mL/min

Gas mixture

It can control the mixing of 80% nitrogen and 20% oxygen, and the flow rate can be controlled at (100+10) ml/min;

Fully automated testing

The test chamber can perform fully automatic testing in accordance with clause 9.4 of GB/T 4677-2002, automatically controlling various valves or flow meters, timing, etc

Sample fixture

It can rotate inside the test chamber, with an adjustable speed of 5 to 50 revolutions per minute; The sample fixture can clamp the sample in a vertical position, ensuring a distance of about 6mm between the samples and even distribution of steam or gas on the sample. The fixture and rotating rod in the test chamber are made of materials such as stainless steel or polytetrafluoroethylene that do not retain test gases

Pure oxygen/nitrogen

8L/bottle. 5 bottles each

Note: The above performance indicators are measured under the conditions of an ambient temperature of+25 ℃, relative humidity ≤ 85%, and no sample.

Execution standards and testing meet the conditions

1. GB/T 2423.40-2013 Environmental testing Part 2: Test Methods Test Cx: Unsaturated High Pressure Steam Constant Damp Heat;

2. GB/T 41203-2021 Accelerated Aging Test Method for Photovoltaic Module Packaging Materials;

3. GB/T 5170.2-2017 Environmental testing equipment for electrical and electronic products - Inspection methods - Temperature testing equipment;

4 IEC60068-2-66 Environmental testing-Part   2:Test methods-Test Cx: Damp heat, steady state (unsaturated pressurized   vapour)。

structure characteristics

Box Structure 

Inner box material: SUS316 stainless steel 1.5mm thick

Outer box material: 304 # stainless steel 1.0mm thick or (cold-rolled steel plate 1.2mm thick baked paint treatment, optional)

Insulation material: Polyurethane foam adhesive 100mm thick

The control box and test box are integrated, with a left and right structure

Install mobile casters and positioning foot cups at the bottom of the box

The test box door adopts a rotating handle snap lock, which is safe and reliable.

Door and lock system

The test box door should adopt a sliding design, with a motor drive system with a tray, and automatically approach. The heat dissipation should adopt a side heat dissipation design to avoid direct contact with the human body and high temperature burns.

turntable

SUS316 # stainless steel is punched and bent into a mesh shape, making it easy to use. According to the drawings.

The motor shaft of the rotary table is sealed with an O-ring.

Distribution control cabinet

Main power circuit breaker, controller, distribution board, cooling fan, over temperature protector.

Water replenishment system

Self made PVC enlarged water tank, water pump lifting automatic water supply.

electric control system 

controller

Weisi customized controller, true color LCD display, capacitive touch

Touch screen controller with high control accuracy and responsiveness

Advantages such as sensitivity and ease of use.

Test computer

Desktop computer (i7 6700, 16g storage, SSD hard drive 1TB, 24 inch screen), color printer

Screen display

1) It can display the remaining time and accumulated running time of the current execution function.

2) The fault prompt screen is displayed.

Setting method

English interface, button based input. You can choose between program mode or fixed value mode.

Equipment working mode

Saturated, unsaturated, and control mode switching (automatically adjusted according to set conditions), with 3 working mode switching (automatically adjusted according to set conditions)

Program settings

The number of programs that can be set is no less than 100 experimental modes

Recorder

Automatically record parameters such as temperature, gas flow rate, and time during the testing process, and form a testing curve

Communication and Data Processing

1) It has a USB interface for direct copying and recording, including historical curves, historical data, etc., which can be directly copied to the computer for viewing, analysis, and storage.

2) The equipment is equipped with a monitoring computer that can be directly connected to the computer through a local area network or machine to monitor the operation of the machine and remotely control the machine.

Display resolution

Temperature: 0.1 ℃

control mode 

P. I. D Calculus Time Plus SSR Module Control Heating Output

Timing method

Temperature deviation timing/startup timing (optional)

timer

Can be set to switch between seconds, minutes, 10 minutes, hours, and 10 hours, with a maximum timing of 9999 X 10 hours

Supplementary functions

(Standard configuration)

Fault alarm and cause, processing prompt function

A fail-safe mechanism 

Upper and lower temperature protection function

temperature measurement 

PT100 platinum resistor

Safety protection device

Test box

1) Equipped with pressure overpressure protection and temperature over limit alarm protection functions.

2) Equipped with humidification limit temperature power-off protection and water shortage protection functions.

3) Equipped with leakage protection, heating, humidification, dry burning protection, overload and short circuit protection, and power-off protection functions.

4) Equipped with emergency pressure relief function and manual door opening function.

5) Equipped with a prompt function if the box door is not tightly closed.

6) Equipped with power-off program memory, it automatically starts and continues to execute program functions after power restoration.

7) The equipment complies with relevant national security management regulations.

Power Supply

Leakage protection, overload and short circuit protection

Other safety measures

The parts of the machine that can cause harm to the human body should be clearly labeled with warning signs on the equipment;

The professional operation section has clear warning signs on the equipment, and the special section has clear operation steps.

The main control console for equipment operation includes manual switches, buzzer stop switches, automatic start and stop switches, emergency stop switches, etc.

Various safety signs should be prominently posted in prominent locations; The equipment is well grounded and there are no short circuits, open circuits, or damaged wires.