905nm TOF Laser Distance Module - 1000m
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PRODUCT DESCRIPTON
The ERDI LASER® LR1000B23 is a compact and high-performance 905nm laser rangefinder module designed for precise distance measurement in compact electro-optical systems. Based on advanced Time-of-Flight (ToF) technology, it delivers stable and accurate distance measurement from 4 m to 1000 m, with extended capability up to 1200 m under optimal conditions.
Engineered for seamless integration, this laser distance sensor features a UART-TTL interface, low power consumption, and a lightweight structure, making it ideal for UAV payloads, handheld thermal imaging devices, and embedded industrial systems. With configurable refresh rates (2–10 Hz) and high measurement reliability, it ensures consistent performance in both static and dynamic environments.
Key Advantages
-
High Measurement Precision: Achieves ±1 m accuracy with up to 10 cm resolution for stable and reliable ranging performance.
-
Flexible Ranging Performance: Supports 4–1000 m measurement range with adjustable 2–10 Hz refresh rate.
-
Compact & Lightweight Design: Φ23 × 45.6 mm structure with only ~20 g weight, ideal for portable and embedded systems.
-
Low Power Consumption: <0.8 W peak power with optimized efficiency for battery-powered devices.
-
Easy System Integration: UART-TTL interface with complete software tools and protocol support for fast deployment.
-
Robust Environmental Adaptability: Operates from -20°C to +55°C (optional -40°C) with strong resistance to shock and vibration.
TECHNICAL PARAMETERS
|
Parameter |
Specification |
|
Laser wavelength |
905nm ± 5nm |
|
Laser divergence angle |
<6mrad |
|
Optical material |
PMMA |
|
Receiving aperture |
20mm ± 0.05mm |
|
Ranging range |
4m - 1000m (max 1200m) |
|
Ranging accuracy |
δ ≤ ±1m, when 6m ≤ d < 1000m. 1) ±1m for the regular version |
|
Ranging frequency |
2 - 10Hz |
|
Ranging resolution |
Typical value: 10CM |
|
Accuracy rate |
≥98% |
|
False alarm rate |
≤1% |
|
Communication interface |
UART - TTL, customizable |
|
Baud rate |
115200bps |
|
Power supply voltage |
3.3V - 5V. Recommended voltage ≥ 3.5V |
|
Operating power consumption |
Maximum power consumption during continuous ranging < 0.8W. Average power consumption ≈ 0.6W |
|
Instantaneous current |
Typical value of instantaneous starting current ≈ 300mA (at a typical voltage of 3.3V) |
|
Operating temperature |
-20℃ - +55℃ (Custom version can reach -40℃) |
|
Storage temperature |
-40℃ - +60℃ |
|
Protection level |
None (IP67 inside the lens cavity) |
|
Laser safety level |
IEC CLASS 1 |
|
Dimensions |
ф23mm × 45.6mm |
|
Weight |
≈20g |
|
Shock |
1000g/ms (10 times/s in the optical axis direction) |
|
Vibration |
5 - 50 - 5 Hz, 1 octave/min, 2.5g |
|
Reliability |
MTBF≥1500h |
INTERFACE
|
Pin |
Definition |
Description |
|
1 |
SW-SHOT |
Function Enable (active high) Note: Compatible with active-low control requirements |
|
2 |
RXD |
Signal input port, Host → Ranging Module |
|
3 |
TXD |
Signal output port, Ranging Module → Host |
|
4 |
I/O (Reserved) |
Reserved for expansion |
|
5 |
VCC |
Power + |
|
6 |
GND |
Power − |
Information Download
-
PRODUCT DESCRIPTON
-
TECHNICAL PARAMETERS
-
INTERFACE
-
Information Download
The ERDI LASER® LR1000B23 is a compact and high-performance 905nm laser rangefinder module designed for precise distance measurement in compact electro-optical systems. Based on advanced Time-of-Flight (ToF) technology, it delivers stable and accurate distance measurement from 4 m to 1000 m, with extended capability up to 1200 m under optimal conditions.
Engineered for seamless integration, this laser distance sensor features a UART-TTL interface, low power consumption, and a lightweight structure, making it ideal for UAV payloads, handheld thermal imaging devices, and embedded industrial systems. With configurable refresh rates (2–10 Hz) and high measurement reliability, it ensures consistent performance in both static and dynamic environments.
Key Advantages
-
High Measurement Precision: Achieves ±1 m accuracy with up to 10 cm resolution for stable and reliable ranging performance.
-
Flexible Ranging Performance: Supports 4–1000 m measurement range with adjustable 2–10 Hz refresh rate.
-
Compact & Lightweight Design: Φ23 × 45.6 mm structure with only ~20 g weight, ideal for portable and embedded systems.
-
Low Power Consumption: <0.8 W peak power with optimized efficiency for battery-powered devices.
-
Easy System Integration: UART-TTL interface with complete software tools and protocol support for fast deployment.
-
Robust Environmental Adaptability: Operates from -20°C to +55°C (optional -40°C) with strong resistance to shock and vibration.
|
Parameter |
Specification |
|
Laser wavelength |
905nm ± 5nm |
|
Laser divergence angle |
<6mrad |
|
Optical material |
PMMA |
|
Receiving aperture |
20mm ± 0.05mm |
|
Ranging range |
4m - 1000m (max 1200m) |
|
Ranging accuracy |
δ ≤ ±1m, when 6m ≤ d < 1000m. 1) ±1m for the regular version |
|
Ranging frequency |
2 - 10Hz |
|
Ranging resolution |
Typical value: 10CM |
|
Accuracy rate |
≥98% |
|
False alarm rate |
≤1% |
|
Communication interface |
UART - TTL, customizable |
|
Baud rate |
115200bps |
|
Power supply voltage |
3.3V - 5V. Recommended voltage ≥ 3.5V |
|
Operating power consumption |
Maximum power consumption during continuous ranging < 0.8W. Average power consumption ≈ 0.6W |
|
Instantaneous current |
Typical value of instantaneous starting current ≈ 300mA (at a typical voltage of 3.3V) |
|
Operating temperature |
-20℃ - +55℃ (Custom version can reach -40℃) |
|
Storage temperature |
-40℃ - +60℃ |
|
Protection level |
None (IP67 inside the lens cavity) |
|
Laser safety level |
IEC CLASS 1 |
|
Dimensions |
ф23mm × 45.6mm |
|
Weight |
≈20g |
|
Shock |
1000g/ms (10 times/s in the optical axis direction) |
|
Vibration |
5 - 50 - 5 Hz, 1 octave/min, 2.5g |
|
Reliability |
MTBF≥1500h |
|
Pin |
Definition |
Description |
|
1 |
SW-SHOT |
Function Enable (active high) Note: Compatible with active-low control requirements |
|
2 |
RXD |
Signal input port, Host → Ranging Module |
|
3 |
TXD |
Signal output port, Ranging Module → Host |
|
4 |
I/O (Reserved) |
Reserved for expansion |
|
5 |
VCC |
Power + |
|
6 |
GND |
Power − |
Learn More
-
Laser Type: 905 nm semiconductor pulse laser (Class 1 eye-safe)
-
Measurement Principle: Time-of-Flight (ToF)
-
Range Capability: 4 m – 1000 m (up to 1200 m max)
-
Accuracy: ±1 m with 10 cm resolution
-
Refresh Rate: 2 – 10 Hz adjustable
-
Interface: UART TTL (115200 bps default)
-
Power Supply: 3.3V – 5V (≥3.5V recommended)
The LR1000B23 laser rangefinder module is widely used in:
-
UAV & Drone Systems – altitude measurement, obstacle detection, and targeting support
-
Thermal Imaging & Night Vision Devices – distance measurement integration
-
Laser Targeting & Electro-Optical Systems
-
Border & Perimeter Security Monitoring
-
Industrial Automation & Smart Infrastructure
-
Outdoor Sports & Surveying Equipment
-
Specialized in laser ranging and electro-optical solutions
-
Proven experience in UAV, defense, and industrial applications
-
Stable supply chain and customizable solutions
-
Technical support for OEM/ODM integration
Q1: What is the maximum range of this laser rangefinder module?
The LR1000B23 supports reliable measurement up to 1000 m, with a maximum capability of 1200 m under optimal conditions.
Q2: Is this module suitable for UAV integration?
Yes, its compact size, low weight, and low power consumption make it ideal for UAV and drone payload systems.
Q3: What interface does it use?
It uses a UART-TTL interface, making it easy to integrate into embedded systems.
Q4: Is the laser safe for human eyes?
Yes, it is classified as IEC Class 1 eye-safe, ensuring safe operation under normal conditions.
Q5: Can the refresh rate be customized?
Yes, the ranging frequency can be adjusted between 2 Hz and 10 Hz according to application requirements.
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