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Sulfur Dioxide Test Chamber

Product No: SQ-010

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  • Description
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  • The SQ-* Series Sulfur Dioxide Test Chamber is a testing device specially developed for simulating industrial corrosive environments. Its core function is to accurately control the concentration of sulfur dioxide (SO₂) gas and temperature to simulate sulfur dioxide corrosion environments in industrial atmospheres. This accelerates the evaluation of sulfidation corrosion resistance of metal materials, coatings, platings, and complete products, enabling rapid identification of material protection defects or product structural design vulnerabilities. It provides a scientific basis for verifying the corrosion resistance of industrial equipment, building materials, and hardware products.

    The SQ-* Series Sulfur Dioxide Test Chamber features a studio made of imported corrosion-resistant PP sheets with integral molding (no welding seams, preventing gas leakage and cabinet corrosion). It utilizes U-shaped titanium alloy high-speed heating electric tubes, combined with a high-precision gas concentration control system and temperature coordinated control module. Additionally, it is equipped with intelligent functions such as automatic gas replenishment, real-time monitoring of gas concentration, and test time timing.

    Standard:

    Standard No. Standard Name
    IEC 60068-2-42:2013 Environmental testing – Part 2-42: Tests – Test Kc: Sulphur dioxide test for contacts and connections
    IEC 60068-2-43:2013 Environmental testing – Part 2-43: Tests – Test Kd: Hydrogen sulphide test for contacts and connections
    ISO 6988:1985 Metallic and other inorganic coatings – Corrosion test in artificial atmospheres – Sulphur dioxide test
    DIN 50018:2017 Corrosion tests in artificial atmospheres – Sulfur dioxide test
    ASTM G87-2015 Standard Practice for Conducting Corrosion Tests in a Sulfur Dioxide Environment
    ASTM B845-2020 Standard Practice for Sulfur Dioxide Corrosion Testing
    GB/T 2423.19-2013 环境试验 第 2 部分:试验方法 试验 Kc:接触点和连接件的二氧化硫试验
    GB/T 2423.20-2014 环境试验 第 2 部分:试验方法 试验 Kd:交变盐雾(氯化钠溶液)与二氧化硫试验
    GB/T 2423.33-2005 环境试验 第 2 部分:试验方法 试验 Kca:高浓度二氧化硫试验
    GB/T 9789-2008 金属和其他无机覆盖层 通常凝露条件下的二氧化硫腐蚀试验
    GB/T 5938-2017 轻工产品金属镀层和化学处理层的耐腐蚀性测试方法
    GB 25972-2010 气体灭火系统及部件

    Note:
    There are slight differences in the testing requirements for sulfur dioxide test chambers across different standards. For specific details on which standards each model of LISUN’s sulfur dioxide test chambers complies with, it is recommended that you confirm with LISUN engineers to accurately match your testing needs.

    Specifications:

    LISUN Model Chamber Dimensions (mm) External Dimensions (mm) Voltage Power(KW)
    SQ-150 450*600*400 800*1070*1050 AC220 2.5
    SQ-250 600*900*500 870*1400*1150 AC220 3
    SQ-750 750*1100*500 1030*1680*1260 AC220 4
    SQ-010 850*1300*600 1160*2000*1390 AC380 6
    SQ-016 850*1600*600 1280*2320*1500 AC380 7.5
    SQ-020 900*2000*600 1220*2530*1410 AC380 9

    Specification:
    • Temperature Range: RT + 5℃ ~ +50℃ (RT = Room Temperature, referring to the ambient temperature of the equipment’s installation environment)
    • Temperature Uniformity: ≤ ±2℃ (Indicates the maximum temperature difference between different positions within the test chamber’s working space under stable operating conditions)
    • Temperature Fluctuation: ≤ ±1℃ / ±0.5℃ (Refers to the maximum deviation of the actual temperature in the test chamber from the set temperature during the test, with two optional precision specifications)
    • Test Duration: 0~999 H (Hours), M (Minutes), S (Seconds) adjustable; cyclic spraying available (Supports setting of continuous or intermittent cyclic spraying modes according to test requirements)
    • Sulfur Dioxide (SO₂) Concentration: 25 pphm (parts per hundred million) or 0.1% ~ 1% (volume percentage), both adjustable (Two concentration ranges optional to meet different standard requirements for sulfur dioxide corrosion testing)

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  • DIN 50018 Standard Free Download GB 5135.3-2003 Standard Free Download GB/T2423.33-2005 Standard Free Download