Procurement teams shortlist BD-A1 with Autonics Proximity Sensor, Autonics Digital Counter and Autonics Bd 030, aligning budget approvals, warranty terms, and multisite availability for smoother rollout across plants.
Autonics BD-A1 Displacement Sensor
The Autonics BD-A1 Displacement Sensor offers 10-30VDC (When connecting BD-C Series communication converter, 12-30VDC) power supply, 1.5 mm amplitude at frequency of 10 to 55Hz in each X, Y, Z direction for 2 hours vibration, Case: Polycarbonate, Cover: Polycarbonate, Cable: Polyvinyl chloride material. Manufactured by Autonics under the Autonics Displacement Sensor category, this model belongs to the Autonics BD Series.
| Brand | Autonics |
| Product Type | Displacement Sensor |
| Model Number | BD-A1 |
Autonics BD-A1 Displacement Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Power supply | 10-30VDC (When connecting BD-C Series communication converter, 12-30VDC) |
| Power consumption | Max. 2800mW (30VDC@(=)) |
| Environment_Ambient temperature | -10 to 50 ℃, Storage: -15 to 60 ℃ (no freezing or condensation) |
| Environment_Ambient humidity | Under 85%RH, storage: under 85%RH |
| Vibration | 1.5 mm amplitude at frequency of 10 to 55Hz in each X, Y, Z direction for 2 hours |
| Shock | 300m/s² (approx. 30G) in each X, Y, Z direction for 3 times |
| Protection structure | IP40 (IEC Standards) |
| Material | Case: Polycarbonate, Cover: Polycarbonate, Cable: Polyvinyl chloride |
| Control input | No-voltage input |
| Judgment output | NPN or PNP open collector output (Load current: Max. 100mA) |
| Alarm output | NPN or PNP open collector output (Load current: Max. 100mA) |
| Analog voltage output | -5 - 5 V, 0 - 5 V, 1 - 5 V (resistance: 100 Ω, ± 0.05% F.S., at 10 V) |
| Analog current output | ) 4 - 20 mA (load resistance: ≤ 350 Ω, ± 0.2% F.S., at 16 mA) |
| Residual voltage | NPN: Max. 1.5V, PNP: Max. 2.5V |
| Protection circuit | Reverse polarity protection circuit, output overcurrent (short-circuit) protection circuit |
| Response time | 0.33, 0.5, 1, 2, 5 ms (5-step adjustment) |
| Min. display unit | [BD-030 / 065 / 100] 1 ㎛ [BD-300 / 600] 10 ㎛ |
| Display method | Dual display by 6-digit, 11-segment LED |
| Display range | [BD-030 / 065 / 100] ± 99.999 to ± 99 mm (4-step paramete set) [BD-300 / 600] ± 999.99 to ± 999 mm (3-step parameter set) |
| Display cycle | Approx. 100ms |
| Insulation resistance | Over 20MΩ (at 500VDC megger) |
| Noise immunity | Square shaped noise by noise simulator (pulse width: 1 ㎲) ± 500 V |
| Dielectric strength | Between the charging part and the case: 1,000 VAC~ 50/60 Hz for 1 minute |
| Connection method | Connector type |
| Supported sensor head | Sensor head (BD-□) |
| Supported comunication converter | Communication converter (BD-C) |
| Weight | 126 g (≈ 228 g) |
The Autonics BD-A1 Laser Displacement Sensor delivers high-precision measurement with selectable analog voltage output (-5~5V, 0~5V, 1~5V) and current output (4–20mA), ensuring compatibility with diverse PLC and control systems. Powered by 10–30V DC (or 12–30V DC when paired with the BD-C communication converter), it achieves rapid response times from 0.33 ms to 5 ms, ideal for dynamic production environments.
Built for durability, the BD-A1 features a robust polycarbonate housing, IP40 protection, and resistance to 1.5 mm amplitude vibration (10–55 Hz) plus shock endurance of 300 m/s² across all axes. Its dual 6-digit LED display enables clear, real-time readings, while the unit supports multiple BD-series sensor heads for flexible deployment in various measurement tasks. Reverse polarity and short-circuit protection circuits add operational safety.
The sensor maintains accuracy in -10℃ to 50℃ environments with up to 85% RH humidity, ensuring stable operation in manufacturing, assembly, and inspection stations. With its fast setup and long-term reliability, the BD-A1 is trusted by maintenance teams and automation engineers across industries. View all Autonics sensors & controllers.
The Autonics BD-A1 is widely applied in thickness inspection, flatness verification, component positioning, and surface profiling across electronics, automotive, and packaging industries. In CNC machining, it enables micron-level height adjustment of workpieces, while in assembly lines it ensures parts meet strict dimensional tolerances. Educational institutions also use it for advanced metrology training, helping students understand displacement measurement principles and calibration techniques. With this combination of precision, speed, and resilience, industries continue to rely on the Autonics BD-A1 Laser Displacement Sensor (Head & Amplifier) for mission-critical measurement tasks.
