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Gas detection tube series

Ethylene Detection tube
  • Features
  • Range
  • Parameter
  • Adopt standard
  • 1, than the long-gas detection tube principle and method of use
    principle
    CO, CO2, H2S, O2, SO2, NH3 and other detection tubes for the basic principle of determination of linear colorimetric method, that is measured gas through the test tube and the indicator gel color reaction, the formation of discoloration (discoloration), the length of the discoloration layer And the measured gas concentration is proportional to.
    2, the main technical parameters (see Schedule)
    3, Accessories (per box)
    ① hose section; Φ3 × 5, length 20cm
    ② a small wheel
    4, storage conditions
    This product should be stored in a cool dry place, no sunlight, save the temperature does not exceed 40 ℃, glass products, be careful.
    5, the use of methods
    A variety of test tubes are available with CZY-50-type gas test tube with a positive pressure-type sampler supporting the use of such.
    After rinsing the sampler with air at the measuring site, take a certain volume of on-site air and cut both ends of the test tube. Connect the lower end of the test tube (one end of the concentration scale with "0") with a short tube to the sampler ) Of the outlet, according to the provisions of the uniform test tube, and then press the tube color column (or discoloration ring) at the top of the figure, the direct reading of the gas concentration measured.
  • Gas detection tube measuring range can be customized according to customer processing!
  • 检测管名称 型号 化学分子式 测定范围 反应前后 颜色变化 采样体积 （mL） 送气时间 （秒） 有效期 (年)
    乙烯   C2H4 （5-50）×10-6 黄色→兰色 50 100 2
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