
Autonics BJ100-DDT-P Photoelectric Sensor
Autonics BJ100-DDT-P Polarized Diffuse Photoelectric Sensor (100 mm, NPN/PNP, IP65)
Compact polarized diffuse photoelectric sensor with 100 mm sensing distance and NPN/PNP open-collector output.
Designed for reliable detection of transparent and glossy objects in packaging and automation systems.
The Autonics BJ100-DDT-P is a polarized diffuse photoelectric sensor developed for stable detection of transparent, reflective, and glossy objects. With a 100 mm sensing range, compact rectangular housing, and NPN/PNP output, it is ideal for packaging machines, bottle detection, and compact automation equipment.
Key Features
Polarized diffuse sensing type
Sensing distance up to 100 mm
Reliable detection of transparent & shiny objects
NPN & PNP open-collector outputs
Light-ON / Dark-ON selectable
Built-in sensitivity adjustment
Compact rectangular housing for tight installations
Stable operation against background reflection
IP65 protection rating
Cable type (2 m standard)
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | BJ100-DDT-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 & PNP open collector |
| Output Mode | Light-ON / Dark-ON |
| Response Time | ≤ 1 ms |
| Supply Voltage | 12–24 VDC ±10% |
| Load Current | ≤ 100 mA |
| 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 BJ100-DDT-P Photoelectric Sensor
Mounting bracket (Bracket A)
Adjustment screwdriver
M3 mounting bolts & nuts
Instruction manual
FAQ
Q1. What is the difference between BJ100-DDT and BJ100-DDT-P?
BJ100-DDT-P is a polarized model, ideal for transparent or shiny objects, whereas DDT is for general opaque objects.
Q2. What is the sensing distance?
Up to 100 mm, depending on object type.
Q3. Does it support both NPN and PNP output?
Yes, it provides both NPN & PNP open-collector outputs.
Q4. Is this sensor suitable for packaging machines?
Yes, it is widely used for bottle and film detection.
Q5. Is it protected against dust and splashes?
Yes, it comes with IP65 protection.



