Autonics BS3-L1M Photomicro Sensor
The Autonics BS3-L1M Photomicro Sensor offers Through-beam type, 5mm sensing distance, Infrared LED light source, 5-24VDC power supply, NPN open collector control output. Manufactured by Autonics under the Autonics Photomicro Sensor category, this model belongs to the Autonics BS3 Series.
| Brand | Autonics |
| Product Type | Photomicro Sensor |
| Model Number | BS3-L1M |
Autonics BS3-L1M Photomicro Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Sensing type | Through-beam type |
| Sensing distance | 5mm |
| Sensing target | Opaque |
| Connection type | Γ2.5mm, 4-wire, 1m |
| Min. sensing target | β₯ 0.8 mm Γ 1.8 mm |
| Hysteresis(distance) | β€0.05mm |
| Response time | Light ON: Max. 20γ², Dark ON: Max. 100γ² |
| Response frequency | 2kHz |
| Light source | Infrared LED |
| Peak emission wavelength | 940nm |
| Operation mode | Light ON/Dark ON(set by control wire) |
| Indicator | Operation indicator (red LED) |
| Power supply | 5-24VDC |
| Current consumption | Max. 15mA |
| Control output | NPN open collector |
| Load voltage | β€ 24VDC@(=) |
| Load current | Max. 50mA |
| Residual voltage | NPN: β€1.2VDC@(=), PNP: β€ 1.2VDC@(=) |
| Protection circuit | Reverse polarity protection circuit, output overcurrent (short-circuit) protection circuit |
| Insulation resistance | β₯20 MΞ© (250 VDC@(=) megger) |
| Noise immunity | The square wave noise (pulse width: 1γ²) by the noise simulator Β±240VDC@(=) |
| Dielectric strength | 1,000VAC 50/60Hz for 1 minute |
| Vibration | 1.5mm amplitude (max. acceleration 196m/sΒ²) at frequency of 10 to 2,000Hz in each X, Y, Z direction for 2 hours |
| Shock | 15,000 m/sΒ² (approx. 1,500G) in each X, Y, Z direction for 3 times |
| Environment_Ambient illumination | Fluorescent lamp: Max. 1,000lx(received illumination) |
| Environment_Ambient temperature | -20 to 55β, storage : -25 to 85β |
| Environment_Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH |
| Protection structure | IP50 (IEC standard) |
| Connection | Cable type |
| Material | Case: PBT, Sensing part: PC |
| Core | AWG28 (0.08mm), 19-core, insulator out diameter: Γ0.65mm |
| Weight | Approx. 50g |
The Autonics BS3-L1M Groove-Depth 6.5mm Photomicro Sensor uses a through-beam sensing method to detect opaque objects up to 5mm away, with a minimum detectable target size of 0.8mm Γ 1.8mm. Its hysteresis is β€0.05mm, ensuring repeatable and precise measurements even in demanding automation environments. The infrared LED light source at 940nm maintains stable performance under ambient light levels up to 1,000lx.
With ultra-fast response timesβ20Β΅s in Light ON mode and 100Β΅s in Dark ON modeβand a response frequency of 2kHz, the BS3-L1M is ideal for rapid detection tasks in modern production lines. It operates on a wide voltage range of 5β24VDC Β±10% and consumes just 15mA. The NPN open collector output integrates easily with PLCs and control systems, while reverse polarity and short-circuit protection circuits ensure safe, long-term operation.
Designed for industrial durability, the BS3-L1M features a PBT case with PC sensing elements, providing vibration resistance up to 196m/sΒ² and shock resistance up to 15,000 m/sΒ². Its IP50 protection rating offers dependable performance in dusty environments. Learn more at Autonics Sensors & Controllers for detailed specifications and compatible models.
Engineers choose this sensor for its consistent detection speed, rugged construction, and ease of integration into both new and retrofit automation systems. Its reliability in high-speed, precision tasks makes the Autonics BS3-L1M a trusted choice for industrial sensing applications.
