
Autonics BEN3M-PDT Photoelectric Sensor
Product Summary:
 The Autonics BEN3M-PDT is a retroreflective photoelectric sensor with a 3-meter sensing distance and built-in polarizing filter. It supports both NPN and PNP outputs with selectable Light ON/Dark ON modes, ideal for opaque material detection in industrial environments.
Key Features:
- Retroreflective sensing type with polarizing filter 
- Sensing distance: 3 meters (with MS-2 reflector) 
- Dual output: NPN & PNP open collector 
- Selectable Light ON/Dark ON modes 
- Fast response time: Max. 1ms 
- Sensitivity adjustment knob 
- Cable type connection (2m) 
- IP50 protection rating 
- Ambient temperature range: -20°C to 65°C 
- Durable ABS and polycarbonate construction 
Application:
- Conveyor object detection 
- Packaging machinery 
- Warehouse automation 
- Industrial door safety systems 
- Assembly line part verification 
Product Benefits:
- Reliable opaque object detection 
- Easy setup with adjustable sensitivity 
- Long detection range reduces installation complexity 
- Dual output increases compatibility with control systems 
- Compact and rugged build for industrial use 
FAQs:
Q1. What is the sensing range of the Autonics BEN3M-PDT?
A: It offers a 3-meter sensing distance when used with the MS-2 reflector for detecting opaque objects.
Q2. Is this sensor suitable for outdoor use?
A: It is IP50-rated, ideal for indoor industrial environments but not recommended for harsh outdoor conditions.
Q3. Can I switch between Light ON and Dark ON modes?
A: Yes, you can select the desired operation mode using the built-in switch.