905nm Laser Rangefinder Module - Compact 4~1200m Distance Sensor
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PRODUCT DESCRIPTON
The ERDI LASER® LR1200E2 is a compact 905nm laser rangefinder module designed for high-precision distance measurement up to 1200 m, with extended nighttime capability reaching 1500 m under optimal visibility conditions. Based on advanced optical and signal processing technology, the module delivers stable and reliable performance for electro-optical and embedded systems requiring accurate long-range sensing. It supports a UART-TTL interface and comes with complete communication protocol documentation and test software for efficient integration and secondary development.
Key Advantages
- Extended Long-Range Performance: Supports measurement up to 1200 m, with nighttime capability extending to 1500 m under high visibility conditions.
- Compact & Lightweight Design: Small rectangular structure (25.65 × 13.2 × 24.6 mm) with ≤10 g weight, ideal for space-constrained systems.
- High Optical Precision: Low divergence angle (<4 mrad) improves beam concentration and long-distance accuracy.
- Flexible Measurement Frequency: 2–10 Hz adaptive ranging with customizable high-refresh configurations for dynamic applications.
- Low Power Consumption Design: Optimized power architecture with ultra-low standby and efficient operating consumption for embedded platforms.
- Easy System Integration: UART-TTL communication interface with full protocol support enables fast integration into UAV and electro-optical systems.
TECHNICAL PARAMETERS
|
Parameter |
Specification |
|
Laser Wavelength |
905 nm ±5 nm |
|
Laser Beam Divergence |
< 4 mrad (small laser spot) |
|
Optical Material |
Resin Aspherical Lens |
|
Receiving Aperture |
9.2 mm × 14.5 mm |
|
Measurement Range |
4 m – 1200 m |
|
Ranging Accuracy |
& ≤± 1m,6m ≤ d < 500m1） & ≤± 50cm+d*1‰, 500m ≤ ? ≤ 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® LR1200E2 is a compact 905nm laser rangefinder module designed for high-precision distance measurement up to 1200 m, with extended nighttime capability reaching 1500 m under optimal visibility conditions. Based on advanced optical and signal processing technology, the module delivers stable and reliable performance for electro-optical and embedded systems requiring accurate long-range sensing. It supports a UART-TTL interface and comes with complete communication protocol documentation and test software for efficient integration and secondary development.
Key Advantages
- Extended Long-Range Performance: Supports measurement up to 1200 m, with nighttime capability extending to 1500 m under high visibility conditions.
- Compact & Lightweight Design: Small rectangular structure (25.65 × 13.2 × 24.6 mm) with ≤10 g weight, ideal for space-constrained systems.
- High Optical Precision: Low divergence angle (<4 mrad) improves beam concentration and long-distance accuracy.
- Flexible Measurement Frequency: 2–10 Hz adaptive ranging with customizable high-refresh configurations for dynamic applications.
- Low Power Consumption Design: Optimized power architecture with ultra-low standby and efficient operating consumption for embedded platforms.
- Easy System Integration: UART-TTL communication interface with full protocol support enables fast integration into UAV and electro-optical systems.
|
Parameter |
Specification |
|
Laser Wavelength |
905 nm ±5 nm |
|
Laser Beam Divergence |
< 4 mrad (small laser spot) |
|
Optical Material |
Resin Aspherical Lens |
|
Receiving Aperture |
9.2 mm × 14.5 mm |
|
Measurement Range |
4 m – 1200 m |
|
Ranging Accuracy |
& ≤± 1m,6m ≤ d < 500m1） & ≤± 50cm+d*1‰, 500m ≤ ? ≤ 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 – 1200 m
- Nighttime range: up to 1500 m
- Accuracy:
- ±1 m (6–500 m)
- ±(0.5 m + 0.1% × distance) (500–1000 m)
- Measurement frequency: 2 – 10 Hz adaptive
- Beam divergence: < 4 mrad
- Receiver aperture: 9.2 mm × 14.5 mm
- Interface: UART TTL (115200 bps)
- Supply voltage: 3.3 – 5 V
- Power consumption: ~1 W operating
- Weight: ≤10 g
- Dimensions: 25.65 × 13.2 × 24.6 mm
- Laser safety class: IEC Class I
The LR1200E2 laser rangefinder module is widely used in:
- UAV long-range distance measurement systems
- electro-optical targeting and observation systems
- thermal imaging and night vision integration
- handheld laser rangefinder devices
- border and perimeter security monitoring
- railway and infrastructure inspection systems
- aviation and communication systems
- smart water conservancy and environmental monitoring
- outdoor sports and surveying applications
- industrial automation and smart sensing systems
- Professional manufacturer of laser ranging and electro-optical modules
- Strong capability in UAV and long-range sensing applications
- Stable production and customizable engineering solutions
- Reliable performance in harsh outdoor environments
- Full support for OEM/ODM integration
What is the maximum range of LR1200E2?
The module supports up to 1200 m measurement, with nighttime performance extending to 1500 m under optimal visibility.
Is LR1200E2 suitable for UAV applications?
Yes, its compact size, low weight, and long-range capability make it ideal for UAV payload integration.
What interface does the module use?
It uses UART-TTL communication interface with full protocol documentation.
Can the measurement frequency be customized?
Yes, the ranging frequency can be configured from 2 Hz to 10 Hz depending on application needs.
Is the laser safe for human eyes?
Yes, the module complies with IEC Class I laser safety standards.
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