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波司特精密仪器（上海）有限公司
波司特精密仪器（上海）有限公司
8709系列电位式位移传感器外壳直径12.7mm
外壳直径12.7 mm，使用寿命：1亿次运动，调节速度：10m/s
| 型号 | 8709 |
| 量程范围 | |
| 信号输出类型 | 取决于传感器激励供电电压 |
| 保护等级 | IP60 |
| 工作温度 | -30°C...+100°C |
| 激励供电电压 | 取决于量程范围 |
| 复位弹簧 | 无 |
| 具体特征 |
|
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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