905nm Laser Rangefinder Module – Compact 4~1500m Distance Sensor
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PRODUCT DESCRIPTON
The ERDI LASER® LR1500E2 is an ultra-long-range 905nm laser rangefinder module designed for precise distance measurement up to 1500 m, with extended nighttime capability reaching 1800 m under 10 km visibility conditions. The module integrates advanced optical design and stable signal processing technology to ensure reliable performance in long-distance electro-optical and embedded sensing applications. It supports UART-TTL communication, and comes with full protocol documentation and test software for efficient system integration and secondary development.
Key Advantages
- Ultra-Long Distance Measurement: Supports stable ranging up to 1500 m, with extended nighttime capability up to 1800 m under optimal visibility conditions.
- Compact High-Performance Design: Lightweight and compact structure enables integration into UAV payloads and portable electro-optical systems.
- Enhanced Optical Performance: Optimized beam and signal processing ensure stable long-range detection with high measurement reliability.
- Flexible Refresh Rate: 3–10 Hz adaptive ranging frequency, configurable for different system response requirements.
- Low Power Consumption Architecture: Designed for embedded and battery-powered systems with efficient power usage and stable thermal performance.
- Easy System Integration: UART-TTL interface with complete documentation supports fast integration into electro-optical platforms.
TECHNICAL PARAMETERS
|
Parameter |
Specification |
|
Laser Wavelength |
905 nm ±5 nm |
|
Laser Beam Divergence |
< 6 mrad (small laser spot) |
|
Optical Material |
Resin Aspherical Lens |
|
Receiving Aperture |
9.2 mm × 14.5 mm |
|
Measurement Range |
4 m – 1500 m |
|
Ranging Accuracy |
& ≤± 1m,6m ≤ d < 500m1） & ≤± 50cm+d*1‰, 500m ≤ d ≤ 1000m2） |
|
Measurement Frequency |
2 Hz – 10 Hz Adaptive (higher refresh rates customizable) |
|
Measurement Accuracy Rate |
≥ 98% |
|
False Alarm Rate |
≤ 1% |
|
Communication Interface |
UART-TTL (Customizable) |
|
Baud Rate |
115200 bps |
|
Supply Voltage |
3.3 V – 5 V |
|
Startup Time |
≤ 200 ms |
|
Inrush Current |
≈ 350 mA |
|
Sleep Power Consumption |
< 1 mW |
|
Standby Power Consumption |
≈ 0.2 W |
|
Power Consumption (Short Range) |
≈ 0.4 W |
|
Operating Power Consumption |
≈ 1 W |
|
Operating Temperature |
-20°C to +55°C (-40°C customizable) |
|
Storage Temperature |
-40°C to +60°C |
|
Protection Rating |
IP67 (Inside Lens Cavity) |
|
Laser Safety Class |
IEC Class I |
|
Dimensions |
25.65 mm × 13.2 mm × 24.6 mm (Rectangular) |
|
Weight |
≤ 10 g |
|
Shock Resistance |
1000 g/ms (10 times/s along optical axis) |
|
Vibration Resistance |
5–50–5 Hz, 1 octave/min, 2.5 g |
|
Reliability |
MTBF ≥ 1500 h |
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® LR1500E2 is an ultra-long-range 905nm laser rangefinder module designed for precise distance measurement up to 1500 m, with extended nighttime capability reaching 1800 m under 10 km visibility conditions. The module integrates advanced optical design and stable signal processing technology to ensure reliable performance in long-distance electro-optical and embedded sensing applications. It supports UART-TTL communication, and comes with full protocol documentation and test software for efficient system integration and secondary development.
Key Advantages
- Ultra-Long Distance Measurement: Supports stable ranging up to 1500 m, with extended nighttime capability up to 1800 m under optimal visibility conditions.
- Compact High-Performance Design: Lightweight and compact structure enables integration into UAV payloads and portable electro-optical systems.
- Enhanced Optical Performance: Optimized beam and signal processing ensure stable long-range detection with high measurement reliability.
- Flexible Refresh Rate: 3–10 Hz adaptive ranging frequency, configurable for different system response requirements.
- Low Power Consumption Architecture: Designed for embedded and battery-powered systems with efficient power usage and stable thermal performance.
- Easy System Integration: UART-TTL interface with complete documentation supports fast integration into electro-optical platforms.
|
Parameter |
Specification |
|
Laser Wavelength |
905 nm ±5 nm |
|
Laser Beam Divergence |
< 6 mrad (small laser spot) |
|
Optical Material |
Resin Aspherical Lens |
|
Receiving Aperture |
9.2 mm × 14.5 mm |
|
Measurement Range |
4 m – 1500 m |
|
Ranging Accuracy |
& ≤± 1m,6m ≤ d < 500m1） & ≤± 50cm+d*1‰, 500m ≤ d ≤ 1000m2） |
|
Measurement Frequency |
2 Hz – 10 Hz Adaptive (higher refresh rates customizable) |
|
Measurement Accuracy Rate |
≥ 98% |
|
False Alarm Rate |
≤ 1% |
|
Communication Interface |
UART-TTL (Customizable) |
|
Baud Rate |
115200 bps |
|
Supply Voltage |
3.3 V – 5 V |
|
Startup Time |
≤ 200 ms |
|
Inrush Current |
≈ 350 mA |
|
Sleep Power Consumption |
< 1 mW |
|
Standby Power Consumption |
≈ 0.2 W |
|
Power Consumption (Short Range) |
≈ 0.4 W |
|
Operating Power Consumption |
≈ 1 W |
|
Operating Temperature |
-20°C to +55°C (-40°C customizable) |
|
Storage Temperature |
-40°C to +60°C |
|
Protection Rating |
IP67 (Inside Lens Cavity) |
|
Laser Safety Class |
IEC Class I |
|
Dimensions |
25.65 mm × 13.2 mm × 24.6 mm (Rectangular) |
|
Weight |
≤ 10 g |
|
Shock Resistance |
1000 g/ms (10 times/s along optical axis) |
|
Vibration Resistance |
5–50–5 Hz, 1 octave/min, 2.5 g |
|
Reliability |
MTBF ≥ 1500 h |
|
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 wavelength: 905 nm ± 5 nm
- Measurement range: 4 m – 1500 m
- Nighttime range: up to 1800 m
- Accuracy:
- ±1 m (4–500 m typical optimized range)
- ±(0.5 m + 0.1% × distance) (long-range section)
- Measurement frequency: 3 – 10 Hz configurable
- Interface: UART TTL (115200 bps)
- Supply voltage: 3.3 – 5 V
- Power consumption: optimized low-power design
- Laser safety: IEC Class I
- Operating principle: Time-of-Flight (ToF)
- System integration: embedded & UAV ready
The LR1500E2 laser rangefinder module is widely used in:
- long-range UAV electro-optical systems
- military and border surveillance systems
- advanced thermal imaging and night vision devices
- long-distance laser targeting systems
- aviation and aerospace measurement systems
- railway and infrastructure monitoring
- smart water conservancy systems
- law enforcement and security platforms
- outdoor surveying and mapping systems
- industrial long-range distance sensing
- Leading manufacturer of 905nm laser ranging modules
- Expertise in UAV, EO, and long-range sensing applications
- Stable performance in complex outdoor environments
- OEM/ODM customization support available
- Full technical documentation for integration support
What is the maximum range of LR1500E2?
The module supports up to 1500 m measurement range, with nighttime performance extending up to 1800 m under high visibility conditions.
Is LR1500E2 suitable for UAV systems?
Yes, its compact structure and long-range capability make it ideal for UAV electro-optical payload integration.
What interface does the module use?
It uses UART-TTL communication interface with full protocol documentation.
Can the measurement frequency be adjusted?
Yes, the ranging frequency can be configured between 3 Hz and 10 Hz.
Is the laser eye safe?
Yes, it complies with IEC Class I laser safety standards.
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