上海韦米机电设备有限公司

330105-02-12-10-02-00本特利电涡流传感器探头 原装现货 正确产品供应

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330105-02-12-10-02-00本特利电涡流传感器探头

技术指标

1、线性量程、线性范围、线性中点、非线性误差、较小被测面

※ 非线性误差指实际输出值与理论值(按标准特性方程计算)较大误值。

2、平均灵敏度（线性范围内输出变化除线性范围）

平均灵敏度误差：≤±5%

3、动态特性

频响：0～10kHz

幅频特性:0～1kHz衰减小于1%，10kHz衰减小于5%

相频特性:0～1kHz相位差小于－10°，10kHz相位差小于－100°

4、互换性误差≤5%

5、工作温度

探头：工作温度-50～ 175°C 温漂≤0.05%/°C

　　前置器：工作温度-50～ 120°C 温漂≤0.05%/°C

6、工作介质：空气、油、水。

7、探头较大工作压力：12Mpa

A、探头直径选择

D 无螺纹长选择

以10mm为单位

较小无螺纹长0mm 0 0，

较大无螺纹长250mm 2 5，

递增量10mm 0 1

探头的无螺纹部分是为了方便安装：采用螺孔安装时,适当长度的无螺纹部分可以减少需要旋入螺孔的长度。

电缆长度选择应考虑被测面与前置器安装位置之间的距离。采用螺孔安装时，建议选择05(0.5m)、10(1.0m)，易于保证旋动探头时，探头电缆与探头能一起转动，不易扭断电缆，而且需选用延伸电缆，延伸电缆长度与探头总长之和为5m或9m。在机器内部安装探头，选择探头总长应保证电缆接头能处于机器外部，以防机器内部的机油污染接头 

电涡流传感器系统广泛应用于电力、石油、化工、冶金等行业和一些科研单位。对汽轮机、水轮机、鼓风机、压缩机、空分机、齿轮箱、大型冷却泵等大型旋转机械轴的径向振动、轴向位移、键相器、轴转速、胀差、偏心、以及转子动力学研究和零件尺寸检验等进行在线测量和保护。

 

探头的径向振动测量

当需要测量轴的径向振动时，要求轴的直径大于探头直径的三倍以上。每个测点应同时安装两个传感器探头，两个探头应分别安装在轴承两边的同一平面上相隔90o±5o。由于轴承盖一般是水平分割的，因此通常将两个探头分别安装在垂直中心线每一侧45o，从原动机端看，分别定义为X探头（水平方向）和Y探头（垂直方向），X方向在垂直中心线的右侧，Y方向在垂直中心线的左侧。

轴的径向振动测量时探头的安装位置应该尽量靠近轴承，如图所示，否则由于轴的挠度，得到的值会有偏差。

轴的径向振动探头安装位置与轴承的较大距离。轴的径向振动测量时探头的安装：

测量轴承直径 较大距离

0~76mm 25mm

76~510mm 76mm

大于520mm 160mm

探头中心线应与轴心线正交，探头监测的表面（正对探头中心线的两边1.5倍探头直径宽度的轴的整个圆周面，如图）应无裂痕或其它任何不连续的表面现象（如键槽、凸凹不平、油孔等），且在这个范围内不能有喷镀金属或电镀，其表面的粗糟度应在0.4 um至0.8um之间。

330105-02-12-10-02-00本特利电涡流传感器探头供应型号

本特利3300XL 8mm反装探头

330105-02-12-05-02-00

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本特利3300XL 8mm反装探头，振动探头

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本特利3300XL 8mm电涡流探头，无螺纹壳体

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本特利3300XL 8mm电涡流探头，无螺纹壳体，振动探头

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本特利3300XL 8mm电涡流探头，无螺纹壳体，位移探头

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本特利3300XL 8mm 大温度范围，电涡流探头

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本特利3300XL 8mm 大温度范围，电涡流探头，振动探头

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