The Keyence PZ-G51N is a photoelectric sensor with the following key features
- Type: Thrubeam
- Shape: Rectangular
- Output: NPN
- Cable Connection: 2 meters
- Detecting Distance: 20 meters
- Light Source: Red LED
- Sensitivity Adjustment: 1-turn trimmer (230°)
- Response Time: 500 µs
- Operation Mode: LIGHT-ON/DARK-ON (switch-selectable)