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波司特精密儀器（上海）有限公司
波司特精密儀器（上海）有限公司
8709系列電位式位移傳感器外殼直徑12.7mm
外殼直徑12.7 mm，使用壽命：1億次運動，調節速度：10m/s
| 型號 | 8709 |
| 量程范圍 | |
| 信號輸出類型 | 取決于傳感器激勵供電電壓 |
| 保護等級 | IP60 |
| 工作溫度 | -30°C...+100°C |
| 激勵供電電壓 | 取決于量程范圍 |
| 復位彈簧 | 無 |
| 具體特征 |
|
Potentiometric displacement sensors are used for direct, precise measurement of mechanical displacements. The mechanical parts of the measuring equipment must be set-up in such a way that the sliding shaft can move without play or lateral forces.
A special multi-finger slider ensures good contact even when the adjustment speed is high or in the presence of vibration. With its housing diameter of only 12.7 mm, the model 8709 is also suitable for highly compact structures.
The movable fastening clamps allow the user variable options for attaching the sensor without complication.
Optionally available adaptations, such as flange and ball joint versions, extend and complement the range of possible applications.
Typical fields of application include:
Due to the technology employed in potentiometric displacement sensors, they always operate with a sliding contact system. Special processes are applied to give the resistance tracks low friction, low tendency to stick/slip, resistance to abrasion and long-term stability.
The driving rods are guided in long-life, low-friction sliding bearings with close tolerances; this results in highly precise measurements. Transverse forces reduce the service life and can be avoided by using, for instance, ball joint couplings.
Due to the pump effect, the driving rod has double sliding bearings. All the figures quoted in the data sheet for nonlinearity, service life, reproducibility and temperature coefficient apply to the use of the sensor as a voltage divider with a maximum current of 0.1 µA.
A ball joint coupling (see accessories) at the end of the sliding shaft minimizes axial errors between the sensor and the equipment.
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