Wuxi Schneider Electronic Equipment Co., Ltd
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    No. 6224, Nanfang North Road, Guangnan Overpass, Xinwu District, Wuxi City
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Cold and hot shock test chamber SNR-WJ
Cold and hot shock test chamber SNR-WJ
Product details

The SNR-WJ thermal shock test chamber is suitable for electronic components, electronic products, semiconductor industry, optoelectronic industry, biotechnology, academic research units, medical insurance units, aerospace industry, automotive hardware industry. It provides safety performance testing for various performance indicators under high and low temperature (alternating) cyclic changes. It provides reliability testing, product screening testing, etc. At the same time, through this equipment test, the reliability of the product can be improved and the quality control of the product can be carried out
Technical specifications of thermal shock test chamber:

model SNR-50WJ SNR-100WJ SNR-150WJ
Studio size (mm) D * W * H 400*360*350 400*500*400 500*600*500
External dimensions (mm) D * W * H 2100*1260*1880 2200*1500*2000 2250*1500*2100
performance parameters Preheating room Upper limit of preheating temperature 200℃
Temperature rise time +20~+200 ℃ for about 20 minutes
Pre cooling room Lower limit of pre cooling temperature Type A: -55 ℃, Type B: -60 ℃, Type C: -70 ℃
Temperature drop time +20-70 ℃ for approximately 70 minutes
studio Temperature shock range Low temperature type A: -40 ℃, type B: -55 ℃, type C: -65 (-65 ℃~-10), high temperature (50~+150 ℃)
temperature fluctuation ≤±0.5℃
temperature deviation ≤±2℃
Temperature response time ≤5min
Impact mode one High temperature → low temperature (reciprocating cycle)
two High temperature → normal temperature → low temperature or low temperature → normal temperature → high temperature can be freely set
structure Shell material Cold rolled steel plate surface spray coating (ivory white)
inner material SUS304 stainless steel plate
thermal insulation material Polyurethane foam+ultra-fine glass wool
refrigeration Cooling method Double stage compressor refrigeration method (water-cooled or air-cooled)
refrigerator Imported compressor
test hole One left side with a diameter of 50mm
controller Korean TEMI or Japanese UMC controller, color LCD display touch screen
Recording device Micro printer or USB flash drive
computer interface RS485 or RS232
Power (KW) 16 23 24
power supply AC380V? 50Hz three-phase four wire system+grounding wire
Standard Configuration 1 user manual, 1 test report, 1 certificate of conformity and 1 quality assurance certificate, 5 printing papers, 2 shelves, 1 set of silicone plugs with casters
meet the standard GJB150.5A-2009 GB/T2423.22-2002/ICE 60068-2-14:2009


Note: 1. Exposure time: 30 minutes, ventilation at room temperature: 5 minutes
2. Water cooling type (water temperature 10-28 ℃, water pressure 0.1-0.3Mpa to ensure cooling performance);
3. The customer needs to provide a 4kgf/cm ² compressed air source.
4. Other sizes and requirements can be customized according to customer requirements.
Thermal shock test chamber: Thermal shock test chamber brand Thermal shock test chamber manufacturer
The entire box is divided into three zones: the high temperature zone, the testing zone, and the low temperature zone. During the impact test, the air valves in the high and low temperature zones are automatically opened to achieve the high and low temperature impact tests.
Shelf load capacity: greater than 30 kilograms.
This system meets the reliability test specifications for cold and hot cycles
The test sample is placed on the sample rack, and a high-precision pneumatic system drives the valves in the thermal storage area or cold storage area to guide the airflow circulation, in order to achieve temperature uniformity for cold and hot testing
Adopting a special design, it saves space and is easy to operate and maintain
Two sets of adjustable stainless steel discs are attached in the testing area
Install high load-bearing pulleys at the bottom of the machine to facilitate the movement of equipment:
High tensile double-layer sealing strip that can withstand cold and heat


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