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Help CenterDisplay Module Reliability Step in Constant Temperature and Humidity Test Chamber
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walk-in environmental test chamber ,as a climatic test chamber that may be configured to almost any large components . this walk in chamber can do Temperature/Humidity Cycling,Constant Temperature/Humidity,Extreme Temp / Humidity Testing, Fast Ramp Rate,Storage Testing,Altitude Testing,Vibration Integration,Solar Simulation etc.
walk-in environmental test chamber main for the industry of large parts, semi-finished and finished products of the temperature and humidity testing, such as computer terminals, auto parts. Room temperature and humidity is mainly composed of a control panel, distribution plate, base plate, wet blower, heater, humidifier, refrigerator and.
FEATURES
1.Walk-in chamber has a big temperature / humidity range and can meet user’s entire requirement. It adapts to unique balance thermoregulation & humidifying way and can get a safety, precise temperature humidity environment. It has stability, balance heating, humidifying function and also can proceed in high precision, high stability temperature humidity control.
2.Walk-in test room is equipped with high precision intelligentized thermoregulator, temperature and humidity adapt LCD display control 7551 program instrument ( it also can use OYO-5461 according to user requirement), can choose the temperature humidity recode instrument.
3.Walk-in test room can choose computer for remote control according to the function.
4.Automatic select the refrigerating circuit, the automatic control instrument can automatic choose operate refrigerating circuit’s function according to the temperature set value, and direct-on line starting refrigerating machine in high temperature condition which can cooling directly.
5.The interior door is equipped with big observation window which convenient for viewing the test status of specimen.
6.Walk-in room is equipped with advanced safety protection device --- residual current device; overheat protector, phase failure protector, water-break protector.
SPECIFICATION
Model |
DR-H202 |
System |
Balanced Temperature & Humidity Control System |
Temp. range |
-70°C~150°C |
Humid. range |
20 ~ 98 percent R.H. |
Temp. & Humid. accuracy |
± 0.3°C; ± 2 percent R.H |
Temp. & Humid. regularity |
± 1°C; ± 3 percent RH |
Resolution |
0.1°C, 1 percent, P.I.D control |
Heating up |
-40°C ~ +100°C within 45 min |
Heating down |
20°C~ -20°Cwithin 40min |
Interior dimension(W×D×H) |
1500×1200×1500mm |
Exterior dimension(W×D×H) |
1700×2703×2085mm |
Interior material |
Stainless steel plate(SUS304) |
Exterior material |
Stainless steel plate(SUS304) |
Insulation |
Rigid foam |
Refrigeration system |
Air cooled, Hermetic compressor, single stage refrigeration system. |
Display |
LCD |
Safety devices |
No fuse breaker refrigerator over load relay, Refrigeration High pressure Switch, Over Temp, Protector, Protection relay, Protection fuse, Water Lever protector, Overheat protector, Alarm |
Accessories |
Viewing window, Shelves (freely adjustable 2 pcs.), Cable port(Ø50mm)Chamber lamp. |
Weight |
Approx. 1200kg |
Power |
AC380V±10 percent 50/60Hz |
Here is the translation of the text into English:
The step-type temperature and humidity test chamber for display module reliability typically includes working conditions such as temperature range, humidity range, power requirements, and environmental conditions. Below are the typical working conditions of this equipment:
1. Temperature Range:Standard Working Temperature Range: Typically from -70℃ to +150℃, allowing simulation of extreme high and low temperature environments.
Temperature Change Rate: The temperature change rate of the test chamber is usually set at 1-5℃/min to ensure smooth temperature transitions that mimic real environmental changes.
Temperature Fluctuation: The temperature fluctuation is usually required to be no more than ±0.5℃ to ensure precise temperature control.
Humidity Control Range: Typically from 10% RH to 98% RH, allowing simulation of both low and high humidity conditions as well as extreme humidity environments.
Humidity Change Rate: The humidity change rate is usually set at 2% RH/min, ensuring smooth humidity transitions without sudden changes that could negatively affect test results.
Humidity Uniformity: The humidity uniformity is generally required to be within ±3% RH throughout the test chamber.
Power Type: Typically single-phase or three-phase AC power.
Power Voltage: Common power voltage is 220V ±10% or 380V ±10%, with a frequency of 50Hz or 60Hz, depending on the equipment specifications.
Power Capacity: The power capacity requirement depends on the test chamber size and specifications, typically ranging from 3kW to 15kW.
Air Quality: The test chamber should be operated in an environment with good air quality to prevent dust, smoke, and other pollutants from entering the equipment and affecting its performance.
Installation Location: The chamber should be installed in a location with good ventilation and no strong vibrations or excessive moisture, away from direct sunlight. Extreme temperatures (either too high or too low) should also be avoided to ensure optimal performance.
Operating Temperature Range: When operating the equipment, the room temperature should typically be within a normal range (e.g., 20℃ to 25℃) to ensure the safety of operators and optimal equipment performance.
Equipment Service Life: The equipment should be regularly inspected and maintained according to the manufacturer's operating and maintenance manual to ensure long-term, stable operation.
Test Cycle: Depending on the required testing items, the test cycle can range from a few hours to several months, depending on the product being tested and the test objectives.
Temperature and Humidity Control Accuracy: Typically, temperature control accuracy is ±0.5℃, and humidity control accuracy is ±2% RH to ensure environmental stability.
Safety Protection Measures: The equipment should have safety measures such as overheat protection, overload protection, and leakage protection to ensure safety during operation.
The working conditions of the step-type temperature and humidity test chamber for display module reliability include temperature range, humidity range, power requirements, and environmental conditions. To ensure accurate test results, the equipment needs to operate under strictly controlled environmental conditions. The precision of temperature and humidity control, power requirements, and the operating environment must all meet certain standards and specifications. These conditions are set to simulate various real-world environmental changes, helping assess the stability and reliability of the display module under extreme temperature and humidity conditions.
This translation maintains the technical nature of the original text, ensuring clarity and precision in describing the working conditions.
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