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阻值范围( Resistance range ):470Ω~2.2MΩ 阻值允许偏差( Tolerance of total resistance ):±20% 旋转角度( Angle of rotation ):≥270°± 5° 转动噪音(Rotational noise) ≤47 mv 双联同步误差(Tracking error) 0~-40db±3db 动作力(Operation force) 20-200gf.cm 止挡强度(Shaft stopper strength) 6Kgf/cm min 额定电压( Voltage rating ):400v 启动力矩( Torque ):5~80mN·m 额定功率( Power rating ):2W~70℃ 轴端形式(Shaft end type):L … 16、20、2