Overview
GDJW-800B high and low temperature alternating test chamber is a kind of equipment used for aviation, aerospace products, information electronics, Instruments, materials, electrical, electronic products and various electronic components to detect their performance indicators in high and low temperature environment. The box is processed by numerical control machine tool, which is beautiful and easy to operate. The control system adopts a large-screen Touchscreen temperature and humidity control instrument to ensure accurate and stable temperature control.
Features
1. The box body is processed and formed by numerical control machine tool, which is beautiful and easy to operate.
2. The inner tank of the box is made of imported stainless steel (SUS304) mirror plate, and the shell is sprayed with A3 steel plate to improve the appearance texture and cleanliness.
3. Large observation window with lighting, embedded tempered Glass, easy to clearly observe the situation inside the box.
4. The left side of the box is equipped with a 50mm diameter test hole, which is convenient for external test power or signal wires.
5. Temperature control adopts 7.0-inch large-screen Touchscreen temperature and humidity control instrument, with locking function and P.I.D automatic calculation.
6. The refrigerator adopts the original French "Taikang" fully enclosed Compressor unit, and the refrigeration system adopts the unit or binary low temperature circuit system design.
7. The multi-wing blower is used for strong air circulation to ensure uniform temperature distribution, and the air circulation design makes the temperature return to stability at the moment of opening the door faster.
8. The heating and cooling systems are fully independent, effectively reducing testing costs, increasing lifespan, and reducing failure rates.
Principle
The test chamber sets the temperature conditions through the control system, and uses the heating system and the refrigeration system to realize the simulation of high and low temperature environment. The heating system adopts a nickel-chromium alloy electric heating heater, and the refrigeration system adopts the French "Taikang" fully enclosed Air-Cooled compression refrigeration method. The multi-wing blower has a strong air supply circulation to ensure uniform temperature distribution in the test area. The control system has the function of P.I.D automatic calculation, which corrects the temperature change in real time and keeps the temperature stable.
Applications
Aviation, Aerospace Products, Information Electronics, Instruments, Materials, Electrical, Electronic Products, Various Electronic Components
Standards
G B 2423.1 - 2008 Test A "High Temperature Test Method", G B 2423.2 - 2008 Test B "Low Temperature Test Method", GJB150A.3, GJB150A.4
Steps
Connect the power supply and ensure that the voltage is AC280V +/- 10% or AC380V +/- 10% 50Hz three-phase five-wire.
2. Touchscreen temperature and humidity control instrument input test conditions, including temperature range and time settings.
3. Start the equipment, the heating and cooling system starts to work, and the air supply circulation system ensures uniform temperature.
4. Monitor the situation in the box by observing the window, and use the test hole to connect the external test line if necessary.
5. After the test is completed, turn off the device and disconnect the power supply.
Notice
• Operating Environment Temperature should be 5 ℃~ 30 ℃, humidity ≤ 85% R.H.
• Avoid touching the controller artificially to prevent changing the temperature setting.
• Regularly check the safety protection device, including leakage, short circuit, overtemperature, motor overheating, Compressor overvoltage, overload, overcurrent protection.
• Power frequency meets requirements to avoid overload.
• Pay attention to temperature stabilization after opening the door to avoid long-term opening affecting the test results.
