905nm Laser Rangefinder Module - Compact 4–1000 m Distance Sensor
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PRODUCT DESCRIPTON
The ERDI LASER® LR1000E2 is a compact 905nm laser rangefinder module designed for stable and accurate distance measurement up to 1000 m, with extended nighttime capability reaching 1200 m under clear visibility conditions.
Featuring an optimized optical structure and efficient signal processing, the module delivers reliable ranging performance for electro-optical systems and embedded sensing applications. A UART-TTL interface ensures straightforward integration, supported by complete communication protocols and test software.
Key Advantages
- Reliable Measurement Accuracy: Provides ±1 m accuracy at short distances with adaptive accuracy compensation at longer ranges.
- Compact & Lightweight Structure: Rectangular form factor (25.65 × 13.2 × 24.6 mm) and ≤10 g weight support integration into compact systems.
- Adaptive Measurement Frequency: 3–10 Hz configurable refresh rate enables both static and dynamic measurement applications.
- Low Power Consumption: Ultra-low standby and optimized operating power consumption for embedded and battery-powered systems.
- High Measurement Stability: ≥98% valid measurement rate and ≤1% false alarm rate ensure dependable operation.
- Easy Integration: UART-TTL interface with full protocol documentation simplifies system development.
TECHNICAL PARAMETERS
|
Parameter |
Specification |
|
Laser Wavelength |
905 nm ±5 nm |
|
Laser Beam Divergence |
< 9 mrad |
|
Optical Material |
Resin Aspherical Lens |
|
Receiving Aperture |
9.2 mm × 14.5 mm |
|
Measurement Range |
4 m – 1000 m |
|
Ranging Accuracy |
±1 m (≤ 400 m)¹ |
|
Measurement Frequency |
3 Hz – 10 Hz Adaptive |
|
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 |
< 0.3 W |
|
Power Consumption (Short Range) |
< 0.6 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® LR1000E2 is a compact 905nm laser rangefinder module designed for stable and accurate distance measurement up to 1000 m, with extended nighttime capability reaching 1200 m under clear visibility conditions.
Featuring an optimized optical structure and efficient signal processing, the module delivers reliable ranging performance for electro-optical systems and embedded sensing applications. A UART-TTL interface ensures straightforward integration, supported by complete communication protocols and test software.
Key Advantages
- Reliable Measurement Accuracy: Provides ±1 m accuracy at short distances with adaptive accuracy compensation at longer ranges.
- Compact & Lightweight Structure: Rectangular form factor (25.65 × 13.2 × 24.6 mm) and ≤10 g weight support integration into compact systems.
- Adaptive Measurement Frequency: 3–10 Hz configurable refresh rate enables both static and dynamic measurement applications.
- Low Power Consumption: Ultra-low standby and optimized operating power consumption for embedded and battery-powered systems.
- High Measurement Stability: ≥98% valid measurement rate and ≤1% false alarm rate ensure dependable operation.
- Easy Integration: UART-TTL interface with full protocol documentation simplifies system development.
|
Parameter |
Specification |
|
Laser Wavelength |
905 nm ±5 nm |
|
Laser Beam Divergence |
< 9 mrad |
|
Optical Material |
Resin Aspherical Lens |
|
Receiving Aperture |
9.2 mm × 14.5 mm |
|
Measurement Range |
4 m – 1000 m |
|
Ranging Accuracy |
±1 m (≤ 400 m)¹ |
|
Measurement Frequency |
3 Hz – 10 Hz Adaptive |
|
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 |
< 0.3 W |
|
Power Consumption (Short Range) |
< 0.6 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 – 1000 m
- Nighttime range: up to 1200 m
- Accuracy:
- ±1 m (≤ 400 m)
- ±(1 m + 0.1% × distance) (> 400 m)
- Measurement frequency: 3 – 10 Hz adaptive
- Beam divergence: < 9 mrad
- Receiver aperture: 9.2 mm × 14.5 mm
- Interface: UART TTL (115200 bps)
- Supply voltage: 3.3 – 5 V
- Power consumption: ≤ 1 W
- Weight: ≤ 10 g
- Dimensions: 25.65 × 13.2 × 24.6 mm
- Laser safety: IEC Class 1
The LR1000E2 laser rangefinder module is suitable for:
- UAV electro-optical payload systems
- handheld laser rangefinder devices
- night vision and thermal imaging equipment
- laser targeting and observation systems
- perimeter and border security monitoring
- railway and infrastructure inspection
- industrial automation and sensing systems
- smart measurement and positioning applications
- outdoor sports and surveying equipment
- Specialized in 905nm laser ranging technology
- Proven experience in UAV and EO system integration
- Stable performance in outdoor environments
- OEM / ODM customization support
- Complete technical documentation and support
What is the maximum range of LR1000E2?
The module supports up to 1000 m measurement range, with nighttime capability reaching approximately 1200 m.
Is LR1000E2 suitable for UAV integration?
Yes, its compact size and low power consumption make it ideal for UAV payload systems.
What interface does the module use?
It uses a UART-TTL communication interface with full protocol documentation.
Can the refresh rate be customized?
Yes, the measurement frequency can be configured between 3 Hz and 10 Hz.
Is the laser eye safe?
Yes, the module complies with IEC Class 1 laser safety standards.
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