The ERDI LASER® SPD Series is a family of compact and lightweight 905nm laser rangefinder modules designed for OEM integration, UAV payloads, thermal imaging systems, robotics, and portable electro-optical devices. The SPD Series combines high ranging accuracy, fast refresh rates, low power consumption, and compact structural design to meet the requirements of modern embedded laser sensing applications. Different models within the series are optimized for high-speed tracking, ultra-compact integration, precision measurement, and integrated positioning systems. With UART-TTL communication, IEC Class 1 eye safety, and flexible customization capability, the SPD Series provides efficient integration solutions for industrial and intelligent sensing platforms.
Key Features of the SPD Series
| Near‑Range Edge | Ultra‑short 0.2m minimum ranging |
| Compact Lightweight Profile | Miniature low‑weight construction |
| Fast Adaptive Ranging | Up to 30Hz customization ranging |
| Robust Outdoor Performance | Stable high‑success ranging outdoors |
| Low‑Power Operation | Energy‑saving power management |
| Versatile OEM Integration | Customizable UART‑TTL interface |
| Diverse Mechanical Configurations | Multiple housing & functional variants |
Product Positioning
Comparison Table
| Model Number | Core Differentiator | Ranging Range | Core Accuracy | Weight | Form Factor | Unique Key Feature | Typical Application |
|---|---|---|---|---|---|---|---|
| SPD1200H2 | Entry-level ultra-light high-precision model | 0.2m – 1200m (Max 1500m at night) | ±0.3m @ ≤100m | ≤6g | Cylindrical | 2Hz – 15Hz adaptive ranging frequency, low power consumption | UAV, industrial OEM integration |
| SPD1200Z2 | High-frequency high-precision model | 0.2m – 1200m (Max 1500m at night) | ±0.2m @ ≤200m | ≈6g | Rectangular | 2Hz – 20Hz adaptive frequency, optional baud rate | High-speed UAV, AGV, fast-moving robot |
| SPD1200N0 | Small divergence angle ultra-light sealed model | 0.2m – 1200m (Max 1500m at night) | ±0.3m @ ≤100m | ≈5g | Cylindrical with sealing groove | ＜4.5mrad ultra-narrow laser beam, dual-gear adaptive frequency | Outdoor surveillance, EO payload, harsh environment |
| SPD1200N2 | Small divergence angle PMMA lens compact model | 0.2m – 1200m (Max 1500m at night) | ±0.3m @ ≤100m | ≈5g | Rectangular | ＜4.5mrad narrow beam, PMMA optical lens, wide temperature stability | Compact space integration, industrial IoT, miniaturized devices |
| SPD1200S2 | Super close-range high-precision industrial model | 0.1m – 1200m (Max 1400m) | ±0.2m @ ≤400m | ≈10g | Square | 0.1m ultra-short minimum ranging distance, 2Hz – 20Hz adaptive frequency | Close-range precision measurement, robotics, industrial automation |
| SPD1200S2G | Gyroscope-equipped EO payload dedicated model | 0.1m – 1200m (Max 1400m) | ±0.2m @ ≤400m | ≈10g | Square | Built-in gyroscope, Euler angle measurement, spatial two-point distance solving | EO payload, photoelectric pod, dynamic ranging system |
Applications
UAV Payload Systems
The SPD Series is optimized for lightweight UAV payload integration, providing stable distance measurement for aerial observation, target tracking, navigation assistance, and intelligent sensing systems. Its compact structure and low power consumption make it suitable for long-endurance airborne platforms.
TThermal Imaging & Night Vision Devices
SPD modules can be integrated into thermal imagers, night vision systems, and handheld observation devices to provide accurate distance measurement in low-light and outdoor environments. The compact OEM structure supports portable electro-optical equipment design.
Robotics & Intelligent Automation
With fast adaptive ranging capability and stable measurement performance, the SPD Series is suitable for robotics, automation systems, obstacle detection, and intelligent sensing platforms requiring compact laser distance measurement solutions.
Border Surveillance & Security Monitoring
The SPD Series supports border security, perimeter monitoring, and long-range observation systems by providing reliable ranging capability for target observation and situational awareness in complex outdoor environments.
UAV Payload Systems
The SPD Series is optimized for lightweight UAV payload integration, providing stable distance measurement for aerial observation, target tracking, navigation assistance, and intelligent sensing systems. Its compact structure and low power consumption make it suitable for long-endurance airborne platforms.
TThermal Imaging & Night Vision Devices
SPD modules can be integrated into thermal imagers, night vision systems, and handheld observation devices to provide accurate distance measurement in low-light and outdoor environments. The compact OEM structure supports portable electro-optical equipment design.
Robotics & Intelligent Automation
With fast adaptive ranging capability and stable measurement performance, the SPD Series is suitable for robotics, automation systems, obstacle detection, and intelligent sensing platforms requiring compact laser distance measurement solutions.
Border Surveillance & Security Monitoring
The SPD Series supports border security, perimeter monitoring, and long-range observation systems by providing reliable ranging capability for target observation and situational awareness in complex outdoor environments.
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FAQ
What is the difference between SPD1200S2 and SPD1200S2G?
SPD1200S2G integrates both laser ranging and gyroscope sensing functions, making it suitable for positioning and spatial orientation applications.
Which SPD module is best for UAV systems?
SPD1200Z2 and SPD1200S2 are commonly used for UAV payloads due to their lightweight structure and high refresh rate capability.
Which SPD module is the smallest?
SPD1200N2 is one of the most compact models in the SPD Series and is optimized for miniature embedded devices.
Are SPD modules suitable for thermal imagers?
Yes. The SPD Series is designed for integration into thermal imagers, night vision systems, and electro-optical observation devices.
Can the communication interface be customized?
Yes. UART-TTL communication and protocol customization are available for OEM integration requirements.