| 项目 | 参数 |
|---|
| 尺寸 Size | φ4 |
| 型号 Type | NL - 4B1NA |
| 最大检测距离 Max sensing distance | 0.8mm ± 15% |
| 稳定检测范围 Sensing distance | 0 - 0.5mm |
| 应差距离 Differential travel | 检测距离的 15% 以下 15% max. of sensing distance |
| 标准检测物体 Sensing object | 铁 Iron, 5×5×1mm |
| 电源电压 Voltage | 12 - 24V DC 脉动 pulse (P - P) 10% max. |
| 消耗电流 Leakage current | 17mA max. |
| 开关容量 Load current | 集电极开路输出 open - collector output 100mA max.(DC30V) |
| 应差频率 Response speed | 3kHz |
| 回路保护 Protection circuits | 逆向连接、浪涌吸收 Power supply reverse polarity protection, Surge suppressor |
| 工作状态指示灯 Indicator | 动作显示 (红色 LED) Operation indicator (red LED) |
| 周围温度 Ambient temperature | 动作时 Operating: - 25 - +70℃、保存时 Storage: - 40 - +85℃(不结冰 with no icing) |
| 周围湿度 Ambient humidity | 工作时 / 保存时 Operating/Storage: 35 - 95% RH |
| 残留电压 Residual voltage | 2V max.(负荷 Load current: 100mA、导线长 Cable length: 2m) |
| 绝缘电阻 Insulation resistance | 50MΩ max.(DC500V) 充电部总体与外壳间 between current - carrying parts and case |
| 耐电压 Dielectric strength | AC500V 50/60Hz 1min 充电部总体与外壳间 between current - carrying parts and case |
| 振动 (耐久) Vibration resistance | 10 - 55Hz 复振幅 1.5mm X、Y、Z 各方向 2h double amplitude for 2 hours each in X,Y and Z directions |
| 冲击 (耐久) Shock resistance | 500m/s² X、Y、Z 各方向 10 次 500m/s² 10 times each X,Y and Z directions |
| 保护构造 Degree of protection | IEC 规格 IP67 |
| 材质 Material - 外壳 Case | 不锈钢 Stainless steel |
| 材质 Material - 检测面 Sensing surface | 耐热 Heat - resistant ABS |
| 质量 Weight | 约 30g Approx.30g |
| 配件 Accessories | —— |

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