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Help CenterESS Test 1000L Rapid Rate Thermal Cycling Chamber 15 C /Min Standard
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Certification:CE, SGS, ISO
15 ºC /Min Standard ESS Test 1000L Rapid-Rate Thermal Cycling Chamber
1. Advantages of Temperature Cycling:
Many independent studies have been conducted analyzing the effectiveness of various types of ESS processes. Conclusive data has been compiled by many manufacturers of electronic assemblies supporting today\'s thinking that temperature cycling is the most effective type of screening process.
While it has been demonstrated that both temperature cycling and random vibration together is the most effective screen in terms of identifying latent defects, if a single screen is to be used, temperature cycling is considered to be the single most effective screen in identifying latent defects. According to the ESSEH guidelines, temperature cycling regularly detected an average of two-thirds more latent product defects than with random vibration alone, which is ranked second most effective in identifying defects.
Stress uniformity is without question the most important aspect of the screening process. Temperature cycling provides the additional advantage of a uniform stress environment when air flow across the product is tightly controlled. All areas of the product must be subjected to an equal amount of stress throughout the screen profile. Some other methods of screening do not offer this uniformity across the product
2. Standards Implemented and Met
GB10592-89 Technical requirements for high and low temperature test chamber
GB2423.1-1989 Low temperature test
GB2423.2-1989 High temperature test mode
3. Specifications
|
Model |
ESS-SL |
|
1000SL15 |
|
|
Working Chamber Volume(L) |
1000L |
|
Temp Rate of Change( ºC /Min) |
15 ºC /Min |
|
Temperature Range |
-70 ºC～+100 ºC( Rapid Temp Change -55 ºC～+85 ºC Full Linear Control) |
|
Humidity Constancy |
±0.5 ºC |
|
Temp Constancy |
±3.0 ºC |
|
Exterior Material |
Cold-rolled steel sheet (Rust proof & Plastic Spray treated )/ Stainless Steel |
|
Interior Material |
Stainless Steel Plate(SUS 304) |
|
Insulation Material |
Rigid Polyurethane Foam |
|
Safety Devices |
over pressure,over heat and over current protection for compressor, over temp. protection, |
|
Compressor |
Semi-Hermetic Compressor |
|
Cooling Mode |
Water Cooled |
|
Control system |
Balanced Temperature & Humidity Control System(BTC type) |
|
Heater |
Iron-chrome wire heater |
|
Blower |
Centrifugal Blower |
|
Observation Window |
Glass incorporating heat generator |
|
Temp Sensor |
Pt-100 |
|
Controller |
Touch screen programmable controller |
|
Ambient Temp. |
+5ºC~+35ºC |
|
Power |
AC 380V/50Hz 3phase 5 wires+ Ground wire |
|
Note: 1. We reserve the right to change specifications without prior notice 2. Customized sizes and configurations available |
4. Applications:
4.1 A. Who want his products more reliable in different environmental conditions
B. Who plan to make the world a better place with his high quality and reliability products
4.2 Location: Lab, testing center,
4.3 Note:
Temperature adaptability test under the condition of rapid change, or gradient for electrical, electronic, instruments and other products or spare parts, particularly applies to environmental stress screening test(ESS)
5. Material:
Interior material: Stainless Steel Plate SUS304#
Exterior material: Baked Painting Steel Plate or Stainless Steel SUS304#
Insulation material: Rigid polyurethane Foam and Glass Fiber Wool
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