BD/GDJS-500 Alternating High and Low Temperature Damp Heat Test Chamber

Product Usage: This product is an essential testing equipment in the fields of aviation, automotive, home appliances, scientific research, etc. It is used to test the temperature environment parameters and performance of electronic, electrical, and other products and materials for high temperature, low temperature, alternating humidity, or constant tests.

1、 Product specifications:
Model BD/GDJS-500 Brand: Zhongke Boda
Internal dimensions D × W × H 700 × 800 × 900: mm
Dimensions D × W × H 1350 × 1220 × 2000: mm

2、 Technical parameters:
1. Temperature range: 0 ℃~150 ℃, -20 ℃~150 ℃, -40 ℃~150 ℃, -60 ℃~150 ℃, -70 ℃~150 ℃
2. Humidity range: 30% to 98% R.H
3. Temperature fluctuation: ≤± 0.5 ℃
4. Temperature uniformity: ≤ 2 ℃
5. Temperature deviation: ≤± 1.5 ℃
6. Humidity fluctuation:+2, -3% R.H
7. Heating rate: 1.0-3.0 ℃/min
8. Cooling rate: 0.7-1.2 ℃/min
9. Humidity fluctuation range: 40% to 98% R.H
10. Time setting range: 0-9999 hours
11. Power requirements: AC380 (± 10%) V/50HZ three-phase five wire system

3、 Box material:
1. The shell is processed and formed using high-quality A3 steel plate CNC machine tools, and the surface of the shell is treated with anti-static spray coating, making it more smooth and beautiful;
2. The inner liner is made of high-quality SUS304 mirror stainless steel plate;
3. The insulation material is high-density glass fiber cotton with a thickness of 100mm;
4. The temperature and humidity circulation system adopts a specially designed low-noise long axis fan motor with stainless steel multi blade impellers that are resistant to high and low temperatures, to achieve strong convection and vertical diffusion circulation;
5. A double-layer high-temperature resistant high tensile sealing strip is used between the door and the box to ensure the sealing of the testing area;
6. Adopting non reactive door handles makes operation easier;
7. The bottom of the machine adopts high-quality fixed PU movable wheels;
8. The observation window adopts multi-layer insulated tempered glass, and the inner side is coated with laminated conductive film for heating and defrosting (clearly observe the test process);
9. The test hole (on the left side of the machine) can be used for external testing power or signal lines (the aperture or number of holes needs to be increased and indicated);

4、 Control system:
1. The temperature and humidity control instrument adopts a "Korean original TEMI880" large screen LCD display, programmable microcomputer P.I.D controls S.S.R output operation, fully imported large LCD touch screen image, simple screen operation, easy program editing;
2. Accuracy: 0.1 ℃ (display range);
3. Resolution: ± 0.1 ℃;
4. Temperature sensor: PT100 platinum resistance thermometer;
5. Control method: Thermal balance temperature and humidity control method, all electrical appliances use Schneider series products;
6. The temperature and humidity control adopts the P.I.D+S.S.R system for coordinated control of the same channel;
7. It has the function of automatic calculation, which can immediately correct the temperature and humidity change conditions, making temperature and humidity control more accurate and stable;
8. The controller operation interface is available in both Chinese and English, and the real-time operation curve chart can be displayed on the screen;
9. It has a capacity of 100 programs, 100 segments per group, and 999 steps per segment that can be cycled. The maximum time for each segment is set to 99 hours and 59 minutes;
After inputting the data and experimental conditions, the controller has a screen lock function to avoid manual touch and shutdown;
11. Equipped with RS-232 or RS-485 remote communication interface, it can be programmed on a computer to monitor the testing process and perform functions such as automatic power on/off;
12. The controller has an automatic screen saver function, which better protects the LCD screen (making its lifespan longer) during long-term operation;
13. The return air outlet of this test chamber is equipped with an automatic defrosting device (so that the water vapor generated during the test will not accumulate on the refrigeration evaporator and cause ice blockage);

5、 Heating system:
1. Adopting far-infrared nickel alloy high-speed heating electric heater;
2. The high temperature system is completely independent and does not affect the low temperature test, wet heat test, and alternating test;
3. The output power of temperature and humidity control is calculated by a microcomputer to achieve high-precision and high-efficiency electricity efficiency;

VIBD/GDJS-500 Alternating High and Low Temperature Damp Heat Test ChamberHumidification system:
1. Built in boiler steam humidifier;
2. Equipped with automatic water level compensation and water shortage alarm system;
3. Far infrared stainless steel high-speed heating electric heating tube;
4. The humidity control adopts P.I.D+S.S.R, and the system coordinates control with the same channel;

7、 Refrigeration system:
1. Compressor: Fully enclosed original French Taikang unit;
2. Cooling method: single (double) mechanism cooling (air-cooled type);
3. Condensation method: forced air cooling;
4. Refrigerants: R404A, R23 (environmentally friendly);
5. All system pipelines undergo a 48 hour leak detection test with ventilation and pressurization;
6. The heating and cooling systems are completely independent;
7. Internal spiral refrigerant copper tube;
8. Slope evaporator;
9. The dry filter, refrigerant flow window, repair valve, oil separator, solenoid valve, and storage tank are all imported original parts;
10. Dehumidification system: using evaporator coil dew point temperature laminar contact dehumidification method;
11. Start R404A and R23 during cooling, and only start R404A during dehumidification (energy-saving and consumption reducing);

8、 Protection system:
1. Fan overheating protection;
2. Overall equipment under phase/reverse phase protection;
3. Overload protection for refrigeration system;
4. Refrigeration system overpressure protection;
5. Overall equipment timing;
6. Overheating of the water pump and overcurrent protection;
7. Other protections include leakage, water shortage, operation indication, automatic shutdown after fault alarm, etc;

9、 Equipment usage conditions:
1. Environmental temperature: 5 ℃ to+28 ℃ (average temperature within 24 hours ≤ 28 ℃)
2. Environmental humidity: ≤ 85% R.H
3. The operating environment requires good indoor ventilation, and no objects should be placed 80 centimeters in front, back, left, right, or right of the machine;

10、 Installation site
In order to facilitate heat dissipation and maintenance of the box, the installation site of this equipment must meet the following conditions:
1. The distance between adjacent walls or objects.
2. In order to stably utilize the functions and performance of the test chamber, a place with a perennial temperature of 15-25 ℃ and a relative humidity greater than 85% should be selected.
3. The environmental temperature of the installation site should avoid sudden changes.
4. It should be installed on a horizontal ground (a level should be used to determine the level on the ground during installation).
5. It should be installed in a place without direct sunlight.
6. It should be installed in a well ventilated area.
7. It should be installed in a place far away from combustibles, explosives, and high-temperature heat sources.
8. It should be installed in a place with less dust.
9. Install as close to the power supply as possible.

11、 Compliant with standards: strictly follow GB/T10592－2008、GB/T10586－2006、GB/T2423.1－2008、GB/T2423.2－2008、GB/T2423.4－2008、GJB150.3-86、GJB150.4-86 Design and manufacture according to relevant standards;

TwelveBD/GDJS-500 Alternating High and Low Temperature Damp Heat Test ChamberService commitment: 18 months warranty, free home delivery. After the installation and commissioning of the equipment is completed, relevant technical personnel will receive free operation training at the user's site, with no limit on the number of people.

Product specifications:
Model BD/GDJS-100 Internal dimensions D × W × H 450 × 450 × 500: mm
Model BD/GDJS-225 Internal dimensions D × W × H 500 × 600 × 750: mm
Model BD/GDJS-500 Internal dimensions D × W × H 700 × 800 × 900: mm
Model BD/GDKS-800 Internal dimensions D × W × H 800 × 1000 × 1000: mm
Model BD/GDKS-010 Internal dimensions D × W × H 1000 × 1000 × 1000: mm