The Autonics BJ1M-DDT-P is a polarized diffuse photoelectric sensor engineered for reliable detection of transparent, glossy, and reflective objects. With a 1-meter sensing distance, compact rectangular housing, and NPN/PNP output, it is ideal for packaging lines, bottling machines, and compact OEM automation systems.

Key Features

• Polarized diffuse sensing type

• Sensing distance up to 1 m

• Reliable detection of transparent & shiny objects

• NPN & PNP open-collector outputs

• Light-ON / Dark-ON selectable

• Built-in sensitivity adjustment

• Compact rectangular BJ housing

• High resistance to background reflection

• IP65 protection rating

• Cable type (standard cable length)

Technical Specifications

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 BJ1M-DDT-P Photoelectric Sensor

• Mounting bracket (Bracket A)

• Adjustment screwdriver

• Mounting screws & nuts

• Instruction manual

FAQ

Q1. What is the difference between BJ1M-DDT and BJ1M-DDT-P?
BJ1M-DDT-P is a polarized model for transparent or glossy objects; BJ1M-DDT is for general opaque objects.

Q2. What is the maximum sensing distance?
Up to 1 meter, depending on object reflectivity and alignment.

Q3. Does it support both NPN and PNP outputs?
Yes, it provides both NPN & PNP open-collector outputs.

Q4. Is this suitable for dusty environments?
Yes, with IP65 protection, it suits industrial environments.

Q5. Where is this model commonly used?
In packaging, bottling, conveyors, and OEM automation.