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  • 波司特精密儀器(上海)有限公司
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    精密扭矩傳感器

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    更新時間:2022-10-28 15:28:53瀏覽次數:114次

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    8740系列DC/DC位移傳感器感應式

    8740系列DC/DC位移傳感器

    感應式,用于測量位移或幅度,可轉換為位移,積分測量放大器,堅固,振動和防震,特殊版本可根據要求

    • Features

      • 量程范圍從0 … 1 mm 到0 ... 150 mm
      • 非線性度 0.25 % F.S., 可以選配非線性度 0.1% F.S.
      • 集成放大器,信號輸出 0...5V
      • 可以選配信號輸出為 0...10V 或 4...20mA
      • 不易受到設備不易受振動或沖擊
      • 特別型號定制可參考選配
    • Product data

      型號 8739
      量程范圍
      0...1mm
      0...2mm
      0...5mm
      0...10mm
      0...25mm (不帶復位彈簧)
      信號輸出類型
      0...10V
      0...5V
      ±5V
      4...20mA
      10...0V
      5...0V
      USB
      保護等級
      工作溫度
      激勵供電電壓
      復位彈簧
      具體特征
    • Description

      Inductive displacement sensors using the principle of the differential transformer (LVDT) can be used to measure displacement and, indirectly, magnitudes that can be converted into displacements such as force, pressure, strain, torque, vibration and so forth.

      Thanks to the high quality of their measurements, their high protection and long service life, these sensors are used in many technologies (industry, research, development, etc.).

      Applications include measuring, controlling, regulating and monitoring both slow and fast movements between machine parts, measurements of position and positional changes of components and structural foundations, servo regulators, valve and robot controllers, growth measurements and so on.

      Their design is robust - the internal coils and electronics are potted - as a result of which the sensors can easily withstand shock and vibration. This makes the sensors also suitable for applications (e.g. in vehicles) and for test installations where they will be subject to many test cycles.

      These inductive displacement sensors with integrated electronics incorporate a differential transformer and a carrier frequency measuring amplifier, potted and protected by a stainless steel housing.

      The differential transformer consists of one primary winding and two secondary windings; these are arranged symmetrically on either side of the primary winding. The integrated electronics demodulates, filters and amplifies the AC voltage induced in the secondary windings. A rod-shaped core is able to move inside the differential transformer. As an output, the sensor delivers a DC voltage whose magnitude proportionally depends on the position of the moveable core inside the sensor.

      Model 8740 incorporates a freely moveable, non-sprung core with two sliding Teflon rings that center the core in the hole through the body of the sensor. At the end of the moving rod is an M2 thread that can be used to couple the core mechanically to the object being measured. Any lateral force acting on the rod should be avoided.

      The moveable rod of model 8741 is mounted on ball bearings. A spring holds the tip of the probe against the object being measured. This version is advantageous when it is difficult or entirely impractical to implement a mechanical coupling. Once again, lateral forces will shorten the service life. The measuring side of the sensor is protected against pollution and splash water by a bellows.

    • Downloads

      Data sheet
      pdf 8739參數資料
      EN

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