本特利330180-50-00和330180-51-00振动前置器，属于bently3300XL振动传感器系统，本特利3300XL8mm系列由探头、延伸电缆、前置器组成，可以监测汽轮机、压缩机、风机、泵等机械的轴振动、轴位移、转速等参数。一般和330103或330104振动传感器和延伸电缆330130-040-00-00连接。前置器抗无线电干扰能力强，即使安装在玻璃纤维防护罩中，也不会受到附近无线电信号的干扰。使它不需要特殊的屏蔽导管或金属防护箱就可以达到欧洲电磁兼容性标准。既可以采用导轨安装，也可以采用面板安装。当采用面板安装时，其安装孔位置与以前四孔安装的3300 前置器相同。两种形式的安装基板均具有电绝缘性，不需要独立的绝缘板。

    本特利前置器330180-50-00和330180-51-00线性范围：2mm(80mils) 。线性范围从距被测靶面约0.25mm处开始，从0.25至2.3mm(约-1至-17Vdc)。推荐的间隙设定值1.27mm，递增的灵敏度：包括互换性误差在内为7.87V/mm (200mV/mil)±5％，使用温度：-35°C至+85°C。3300XL前置器常用型号：330180-50-00；330180-51-00；330180-50-05；330180-51-05；330180-50-CN；330180-51-CN；330180-90-00；330180-91-00；330180-90-05；330180-91-05；330180-90-CN；330180-91-CN；

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