Hokuyo – URM-40LC-EWT

High‑Precision Outdoor LiDAR for Long‑Range Detection and Area Monitoring

Brand : Hokuyo

The Hokuyo URM‑40LC‑EW is an outdoor‑ready 2D scanning LiDAR with a wide 270° field of view and reliable detection up to 40 m, extendable to 60 m under optimal conditions. It supports both distance data output and area configuration modes, allowing it to be used for obstacle detection, navigation, and environment perception in robotics, AGVs, AMRs, port automation, and other industrial applications. With an Ethernet interface, high accuracy, selectable angular resolution, and robust IP67 protection, this sensor delivers precise scanning performance even in challenging outdoor environments.

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Specifications

Specification URM-40LC-EW
Product Type 2D Scanning Laser Rangefinder (LiDAR)
Light Source Laser semiconductor (905 nm), Class 1
Supply Voltage DC 10–30 V
Supply Current Continuous ≤ 700 mA (DC 12 V); Peak ≤ 1.2–1.3 A
Power Consumption ≤ 8.4 W (steady current)
Detection Range (90% Reflect.) 0.1–40 m
Detection Range (10% Reflect.) 0.1–18 m
Maximum Detection Distance 60 m
Minimum Detectable Size Normal: 65 mm (@5 m), 130 mm (@10 m), 260 mm (@20 m)
High Res: 33 mm (@5 m), 65 mm (@10 m), 130 mm (@20 m)
Accuracy ±20 mm (0.1–30 m), ±30 mm (30–40 m)
Measurement Resolution 1 mm
Repeat Accuracy σ < 10 mm (0.1–20 m), σ < 15 mm (20–40 m)
Scanning Angle 270°
Angular Resolution & Scan Speed 0.25° @ 25 ms (Normal mode)
0.125° @ 50 ms (High resolution mode)
Interface Ethernet 100BASE‑TX (Auto-negotiation)
Outputs 5 outputs: Area Detection 1 / Sync / Area Detection 2 / Area Detection 3 / Ready / Malfunction
Inputs 3 inputs: Area 1 / Area 2 / Area 3 / Sync Input (max 7 patterns)
Response Time Within ~50 ms (depends on settings)
Startup Time ≤ ~15 s (may vary if errors are detected)
LED Indicators Blue: Power & normal operation
Orange: Area detection status
Ambient Temperature & Humidity −30 °C to +50 °C, ≤ 85% RH (no dew/frost)
Ambient Illuminance Up to 100,000 lx (detection not guaranteed under direct sunlight)
Vibration Resistance 10–55 Hz 1.5 mm amplitude; 55–150 Hz 98 m/s² (10G)
Shock Resistance 196 m/s² (20G), 10 times per axis
Protection Rating IP67 (IEC 60529:2001)
Weight Approx. 450 g (sensor only)
Dimensions (W×D×H) 80 mm × 80 mm × 95 mm (excluding connectors)

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