[型号]:J4-D8V [电源电压]:15-30VDC [电源输出]:0-10VDC [负载电阻]:≥4.7kΩ [电流输出]:0-20mA [负载 电阻]:≤500Ω [响应频率]:200Hz [检测距离]:1-8mm [标准检测物体]:铁 18*18*1mm