905nm Laser Rangefinder Module - Compact 4~2000m Distance Sensor
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PRODUCT DESCRIPTON
The ERDI LASER® LR2000E2 is an ultra-long-range 905nm laser rangefinder module designed for high-precision distance measurement up to 2000 m. It delivers stable performance across extended distances, combining optimized optical design, advanced signal processing, and reliable detection capability for demanding electro-optical and embedded applications. The module supports a UART-TTL interface, and is supplied with full communication protocol documentation and test software to support fast integration and secondary development.
Key Advantages
- Ultra Long-Range Capability: Supports distance measurement up to 2000 m with stable performance across extended outdoor environments.
- Compact Embedded Design: Small square structure enables easy integration into UAV payloads and handheld electro-optical systems.
- Extended Detection Performance: Optimized signal processing ensures reliable measurement performance up to long distances with controlled accuracy behavior.
- Adaptive Measurement Frequency: 2–10 Hz ranging frequency with adaptive configuration for different system response needs.
- Efficient Power Architecture: Designed for embedded systems with optimized power consumption around 1.2 W.
- Easy Integration Interface: UART-TTL communication with full protocol support ensures fast system development and integration.
TECHNICAL PARAMETERS
|
Parameter |
Specification |
|
Laser Wavelength |
905 nm ± 5 nm |
|
Laser Beam Divergence |
< 6 mrad |
|
Optical Material |
PMMA |
|
Receiver Aperture |
9.2 mm × 14.5 mm |
|
Ranging Range |
4m-2000m |
|
Ranging Accuracy |
±1 m (≤ 400 m) d × 0.4% (400 m < d ≤ 2000 m) |
|
Ranging Frequency |
2 Hz – 10 Hz, adaptive |
|
Valid Measurement Rate |
≥98%(≤400m) ≥80%(400m<d≤2000m) |
|
False Alarm Rate |
≤1% |
|
Communication Interface |
UART-TTL, customizable |
|
Baud Rate |
115200 bps |
|
Supply Voltage |
3.3 V – 5 V |
|
Startup Time |
≤ 200 ms |
|
Startup Inrush Current |
< 400 mA |
|
Operating Power Consumption |
≈ 1.2 W |
|
Operating Temperature |
−20 °C ~ +60 °C |
|
Storage Temperature |
−40 °C ~ +60 °C |
|
Protection Rating |
IEC Class 1 |
|
Laser Safety Class |
25.65 mm × 13.05 mm × 24.6 mm (square) |
|
Dimensions |
≈ 10 g |
|
Weight |
1000 g/ms (10 times/s along the optical axis) |
|
Shock |
5–50–5 Hz, 1 octave/min, 2.5 g |
|
Vibration |
IEC Class 1 |
|
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® LR2000E2 is an ultra-long-range 905nm laser rangefinder module designed for high-precision distance measurement up to 2000 m. It delivers stable performance across extended distances, combining optimized optical design, advanced signal processing, and reliable detection capability for demanding electro-optical and embedded applications. The module supports a UART-TTL interface, and is supplied with full communication protocol documentation and test software to support fast integration and secondary development.
Key Advantages
- Ultra Long-Range Capability: Supports distance measurement up to 2000 m with stable performance across extended outdoor environments.
- Compact Embedded Design: Small square structure enables easy integration into UAV payloads and handheld electro-optical systems.
- Extended Detection Performance: Optimized signal processing ensures reliable measurement performance up to long distances with controlled accuracy behavior.
- Adaptive Measurement Frequency: 2–10 Hz ranging frequency with adaptive configuration for different system response needs.
- Efficient Power Architecture: Designed for embedded systems with optimized power consumption around 1.2 W.
- Easy Integration Interface: UART-TTL communication with full protocol support ensures fast system development and integration.
|
Parameter |
Specification |
|
Laser Wavelength |
905 nm ± 5 nm |
|
Laser Beam Divergence |
< 6 mrad |
|
Optical Material |
PMMA |
|
Receiver Aperture |
9.2 mm × 14.5 mm |
|
Ranging Range |
4m-2000m |
|
Ranging Accuracy |
±1 m (≤ 400 m) d × 0.4% (400 m < d ≤ 2000 m) |
|
Ranging Frequency |
2 Hz – 10 Hz, adaptive |
|
Valid Measurement Rate |
≥98%(≤400m) ≥80%(400m<d≤2000m) |
|
False Alarm Rate |
≤1% |
|
Communication Interface |
UART-TTL, customizable |
|
Baud Rate |
115200 bps |
|
Supply Voltage |
3.3 V – 5 V |
|
Startup Time |
≤ 200 ms |
|
Startup Inrush Current |
< 400 mA |
|
Operating Power Consumption |
≈ 1.2 W |
|
Operating Temperature |
−20 °C ~ +60 °C |
|
Storage Temperature |
−40 °C ~ +60 °C |
|
Protection Rating |
IEC Class 1 |
|
Laser Safety Class |
25.65 mm × 13.05 mm × 24.6 mm (square) |
|
Dimensions |
≈ 10 g |
|
Weight |
1000 g/ms (10 times/s along the optical axis) |
|
Shock |
5–50–5 Hz, 1 octave/min, 2.5 g |
|
Vibration |
IEC Class 1 |
|
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 wavelength: 905 nm ± 5 nm
- Measurement range: 4 m – 2000 m
- Accuracy:
- ±1 m (≤ 400 m)
- d × 0.4% (400 m – 2000 m)
- Measurement frequency: 2 – 10 Hz adaptive
- Valid measurement rate:
- ≥98% (≤400 m)
- ≥80% (400–2000 m)
- Interface: UART TTL (115200 bps)
- Supply voltage: 3.3 – 5 V
- Power consumption: ~1.2 W
- Laser safety: IEC Class 1
- Weight: ~10 g
- Dimensions: 25.65 × 13.05 × 24.6 mm
- Operating principle: Time-of-Flight (ToF)
The LR2000E2 laser rangefinder module is widely used in:
- long-range UAV electro-optical systems
- military-grade observation and surveillance systems
- border and perimeter security monitoring
- advanced thermal imaging systems
- laser targeting and tracking systems
- aviation and aerospace measurement systems
- power line and infrastructure inspection
- railway and transportation monitoring
- smart water conservancy systems
- outdoor surveying and long-distance measurement
- Professional manufacturer of 905nm long-range laser modules
- Strong capability in UAV and EO sensing solutions
- Stable performance for complex outdoor environments
- OEM/ODM customization support available
- Complete integration documentation and software support
What is the maximum range of LR2000E2?
The module supports up to 2000 m measurement range under standard conditions.
Is LR2000E2 suitable for UAV applications?
Yes, it is designed for UAV electro-optical systems requiring ultra-long-range distance measurement.
What communication interface does it use?
It uses UART-TTL interface with full protocol documentation.
Can the module operate in harsh environments?
Yes, it supports −20°C to +60°C operation and −40°C storage temperature.
Is the laser eye safe?
Yes, it complies with IEC Class 1 laser safety standard.
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