
Autonics BJN100-NDT-P Photoelectric Sensor
Autonics BJN100-NDT-P Polarized Diffuse Photoelectric Sensor (100 mm, NPN, M12, IP65)
Compact polarized diffuse photoelectric sensor with 100 mm sensing distance and NPN open-collector output.
Designed for stable detection of transparent, glossy, and reflective objects in compact automation and packaging systems.
The Autonics BJN100-NDT-P is a polarized diffuse photoelectric sensor developed for accurate detection of transparent and reflective objects. With a 100 mm sensing distance, NPN open-collector output, and M12 connector type, it is ideal for packaging machines, bottling lines, and compact OEM automation equipment where quick installation and maintenance are required.
Key Features
- Polarized diffuse sensing type
- Sensing distance up to 100 mm
- Reliable detection of transparent & glossy objects
- NPN open-collector output
- Light-ON / Dark-ON selectable
- Built-in sensitivity adjustment
- Compact rectangular BJN housing
- High resistance to background reflection
- IP65 protection rating
- M12 connector type for easy wiring & replacement
Technical Specifications
Parameter Specification Model BJN100-NDT-P Sensing Type Polarized Diffuse Sensing Distance Up to 100 mm Sensing Target Transparent/glossy objects Light Source Infrared LED (polarized, ~850 nm) Output Type NPN open collector Output Mode Light-ON / Dark-ON Response Time ≤ 1 ms Supply Voltage 12–24 VDC ±10% Load Current ≤ 100 mA Connection Type M12 connector Protection Rating IP65 Operating Temperature −25 to +55 °C
| Parameter | Specification |
|---|---|
| Model | BJN100-NDT-P |
| Sensing Type | Polarized Diffuse |
| Sensing Distance | Up to 100 mm |
| Sensing Target | Transparent/glossy objects |
| Light Source | Infrared LED (polarized, ~850 nm) |
| Output Type | NPN open collector |
| Output Mode | Light-ON / Dark-ON |
| Response Time | ≤ 1 ms |
| Supply Voltage | 12–24 VDC ±10% |
| Load Current | ≤ 100 mA |
| Connection Type | M12 connector |
| Protection Rating | IP65 |
| Operating Temperature | −25 to +55 °C |
Applications
- Transparent bottle detection
- Packaging & bottling machines
- Conveyor object detection
- Counting & positioning systems
- Compact OEM automation machines
- General industrial sensing
What’s in the Box?
- Autonics BJN100-NDT-P Photoelectric Sensor
- Mounting bracket
- Fixing screws & nuts
- Instruction manual
FAQ
Q1. What does “NDT-P” indicate in this model?
It indicates NPN output (NDT) with polarized diffuse sensing (P).
Q2. What is the sensing distance of this sensor?
Up to 100 mm, depending on object type and surface.
Q3. Is this suitable for transparent bottles or films?
Yes, the polarized optics ensure stable detection of transparent or glossy objects.
Q4. What is the advantage of the M12 connector type?
It allows quick replacement, easy wiring, and reduced downtime.
Q5. Is it suitable for harsh industrial environments?
Yes, with IP65 protection, it is suitable for industrial use.



