| Detection method | Diffuse reflection |
| Model | NPN | PML18V-D10BNA | PML18V-D20BNA | PML18V-D50BNA |
| PNP | PML18V-D10BPA | PML18V-D20BPA | PML18V-D50BPA |
| Sensing distance |
| 10cm（Distance Adjustable） | 20cm（Distance Adjustable） | 50cm（Distance Adjustable） |
| Standard target |
| White paper with 90% reflectivity（100*100mm) | （200*200mm） |
| Output mode | Light-ON+Dark-ON |
| Light source | Infrared light 850nm |
| Supply power | DC 12～24V ±10% ，impulse（P-P）＜10％ |
| Residual voltage | ＜2V (Load current：≤100mA) |
| Current consumption | ＜20mA |
| Load current | ≤100mA |
| Circuit protection | Power reverse direction connection protection |
| Response time | <10ms |
| Indicator light | Output LED: Orange LED Power/stable: Green LED |
| Connection | Cable 2m（PVC） |
| Ambient temperature | Work：-10～+55℃；Store：-25～+70℃，(No dew condensation or icing allowed) |
| Ambient humidity | Work：35～85%RH，Store：35～95%RH，（No dew condensation） |
| Ambient illumination | Sunlight: <10,000Lx lamplight:<3,000Lx |
| Withstand Voltage | 1000 VAC, 50/60 Hz, 1 min.between current-carrying parts and case |
| Insolation resistance | ＞20MΩ（DC500V megger）between current-carrying parts and case |
| Anti-vibration | 10~55Hz double-amplitude 1.5mmX,Y,Z 2h |
| Impact resistance | 500 m/s² (X, Y, Z directions, 3 times) |
| Protection degree | IEC IP67 |
| Material | Housing | Monel alloy |
| Lens | PMMA |