| Sensing method | Adjustable Distance Reflective Type |
| Model | NPN
| PF31V-B15BNSR-E1 |
| PNP | PF31V-B15BPSR-E1 |
| Sensing distance | 30～300mm |
| Standard target | White paper100*100mm |
| Reflectivity characteristic | 20% of set distance max |
| Output mode | Light ON/Dark ON (Adjustable) |
| Light source | 620nm Red LED |
| Supply power | DC 12～24V ±10% ，impulse（P-P）＜10％ |
| Residual Voltage | 2V max(Load current≤100mA) |
| Curent consumption | ＜25mA |
| Load Current | ≤100mA |
| Circuit protection | Reverse connection protection，Short circuit protection |
| Response time | <1ms |
| Distance setting | 5-turnedendless adjuster |
| Detection Mode | Wiring Mode Switching: Select BGS/FGS Functions |
| Indicator light | Output：OrangeLED Stable：Green LED |
| Connection | Connector model（M8 Four-pin Male Plug） |
| Ambient temperature | Work:-25～+55℃；Store：-30～+70℃（(No dew condensation or icing allowde) |
| Ambient humidity | Work：35～85%RH，Store：35～95%RH，（No dew condensation) |
| Ambient illumination | Sunlight:＜10,000Lx， lamplight:＜3,000Lx |
| Withstand Voltage | 1000 V AC, 50/60 Hz, 1 min，between current-carring parts and case |
| Insolution resistance | ＞20MΩ（DC500V megger）between current-carring parts and case |
| Anti-vibration | 10~55HZ double-amplitude 1.5mmX,Y,Z 2H |
| Anti-impact | 500m/S² X，Y，Z ，directions for 3 times |
| Protection degree | IEC IP65 |
| Material | Housing | PBT |
| Lens | PMMA |