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Autonics BJ100-DDT Photoelectric Sensor
The Autonics BJ100-DDT Photoelectric Sensor provides a 100mm diffuse reflective sensing range using an infrared LED light source. It supports a 1ms response time, Light ON/Dark ON operation, NPN open collector output, 12β24VDC power, and a 2m cable connection. Manufactured by Autonics and listed under the Autonics brand, this model appears in the Autonics Photoelectric Sensors category and belongs to the Autonics BJ Series.

| Brand | Autonics |
| Product Type | Photoelectric Sensor |
| Model Number | BJ100-DDT |
Autonics BJ100-DDT Photoelectric Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Brand | Autonics |
| Product Category | Photoelectric Sensors |
| Product | BJ100-DDT |
| Sensing type | Diffuse reflective type |
| Sensing distance | 100mm |
| Sensing target | Opaque, Translucent material |
| Response time | Max. 1ms |
| Light source | Infrared LED(850nm) |
| Sensitivity adjustment | Sensitivity adjuster |
| Operation mode | Light ON/Dark ON(set by switch) |
| Power supply | 12-24VDC |
| Current consumption | Max. 30mA |
| Control output | NPN open collector |
| Environment_Ambient illumination | Sunlight: Max. 11,000lx, Incandescent lamp: Max. 3,000lx (received illumination) |
| Environment_Ambient temperature | -25 to 55β, storage: -40 to 70β |
| Environment_Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH |
| Protection structure | IP65 |
| Connection type | Cable type(Γ3.5, 2m) |
| Material | Case: Polycarbonate+Acrylonitrile butadiene styrene, LED Cap: Polycarbonate, Sensing part: Polymethyl methacrylate,Bracket: SUS304(steel use stainless 304), Bolt: Steel chromium molybdenum, Nut: Steel chromium molybdenum,Sleeve: Brass, Ni-plate |
| Accessories_Common | Fixing bracket, M3 Bolts: 2, M3 Nuts: 2, Adjuster driver |
| Hysteresis(distance) | Max. 20% of sensing distance |
| Weight | Approx. 70g (approx. 45g) |
The Autonics BJ100-DDT Photoelectric Sensor offers stable detection with a 100mm diffuse reflective range, infrared LED source, 1ms response time, and NPN open collector output. This Autonics model is part of the BJ Series and is applied across numerous industrial automation processes that require short-range sensing with consistent output behavior.
This sensor is suitable for conveyors, packaging systems, automated checking stations, and assembly operations where compact diffuse detection is beneficial. Its infrared LED provides reliable target recognition even under varying lighting conditions, while the Light ON/Dark ON switch allows flexible configuration. The 12β24VDC supply and compact cable type enable easy integration into smaller automation setups.
The Autonics BJ100-DDT Photoelectric Sensor delivers dependable sensing performance with its defined detection distance, fast response, and solid NPN output structure. As part of the Autonics BJ Series, it is well suited for industrial users requiring repeatable and precise object detection in continuous production environments. This model supports stable operation for applications demanding consistent close-range sensing.







