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technical article
How to choose the thermal resistance thermocouple protection sleeve
2011-10-17 9:44:01

保护套管 应用 Application of protective casing

  热电阻热电偶配套使用 是为了保护 热电阻热电偶 能够 稳定正常 工作 The protective sleeve is used together with the thermal resistance thermocouple to protect the thermal resistance thermocouple from working stably and normally . 特殊场合 防腐、高压高流速等 等也是可以应用的 At the same time , anti-corrosion, high pressure and high flow rate for some special occasions can also be applied .

保护套管 特点 Second, the characteristics of the protective sleeve

   保护套管 全部 是按 照IEC国际标准设计 1. All protective sleeve parameters are designed in accordance with IEC international standards ;

耐高压,盲孔加工 2. High pressure resistance, blind hole processing ;

热电阻热电偶 设备 同期制造 安装 3. Synchronous manufacturing and installation with thermal resistance thermocouple equipment ;

满足不同压力等级 的不同 需要。 4. It can meet the different needs of different pressure levels .

保护套管 主要规格 技术参数 Third, the main specifications and technical parameters of the protective sleeve

    公称压力 的实验 测试 保护 一般 常温下所能承受的静态外压 是否 不破裂 The first is an experiment on the nominal pressure : test whether the static external pressure that the protective sleeve can withstand under normal ordinary temperature does not rupture . 套的 材料,直径,壁厚与允许工作压力有关, 并且保护管套的磁 结构形式,安装方法 及被测介质的流速,种类 也是与允许的工作压力相关的 Not only the material, diameter and wall thickness of the protective sleeve are related to the allowable working pressure, but also the magnetic structure of the protective sleeve , the installation method and the flow rate and type of the measured medium are related to the allowable working pressure .

水压 实验: 测试 保护 管对 外界 耐压和泄露 程度一定要在检查范围内 Then there is the experiment on water pressure : the degree of pressure and leakage of the protective sleeve to the outside must be within the scope of inspection . 试验压力 为保护 管耐压等级的15倍 以上 The general test pressure should be more than 15 times the pressure rating of the protective sleeve . X射线探伤 试验 ,一般是根据 用户要求进行检查 ,主要是检测 保护管 的壁厚,偏心距等项目 For X-ray flaw detection tests , inspections are generally performed according to user requirements , mainly to detect the wall thickness and eccentricity of protective sleeves .  

     选用保护套管 材质 要求也是 十分 苛刻的 因为它对 温度传感器的使用寿命 有着 直接 影响, 我们 温度传感器保护套管 的时候应该 根据使用环境的不同 来做出相应的决定。 The temperature sensor 's material requirements for the selection of the protective sleeve are also very strict , because it has a direct impact on the service life of the temperature sensor . When we choose the temperature sensor protective sleeve , we should make a corresponding decision according to the different use environment. .

有限公司根据客户样品、图纸 以及 使用环境定做各种型号热电偶、热电阻 、双金属温度计保护套管 及其它特殊型号温度传感器保护套管。 Jinhu Dongxiang Instrument Co., Ltd. customizes various types of thermocouples, thermal resistors , bimetal thermometer protection sleeves and other special types of temperature sensor protection sleeves according to customer samples, drawings and the use environment .