电位器安装距离受到一定限制。

Potentiometers are subject to certain restrictions on the installation distance.

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查阅仪器生产商的说明书，以便获取合适的安装距离。

Check the instrument maufacture's manual for the proper insertion distance.

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传感器外壳上的圆形安装孔（非槽形）可避免由于错误的安装距离或运动而导致的碰撞或震动引起的维修。

Round mounting holes (not slots) in the sensor housing avoid incorrect mounting distances or movement through impact or vibration which otherwise may require maintenance.

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