905nm Laser Rangefinder Module - 1000m TOF Distance Sensor
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PRODUCT DESCRIPTON
The ERDI LASER® LR1000D23 is a new-generation compact 905nm laser rangefinder module designed for high-precision distance measurement in electro-optical and embedded systems. Utilizing advanced Time-of-Flight (ToF) technology, the module provides stable ranging capability from 4 m to 1000 m, with extended performance up to 1200 m under optimal nighttime conditions.
Engineered with a compact cylindrical structure and optimized power consumption, the LR1000D23 is ideal for integration into UAV payloads, handheld thermal imaging devices, laser targeting systems, and other portable electro-optical equipment. The module supports a UART-TTL communication interface and includes test software and protocol documentation, enabling fast system integration and secondary development.
With high measurement reliability and adaptable refresh rates (3–12 Hz), the LR1000D23 provides stable distance sensing performance across a wide range of professional and industrial environments.
Key Advantages
- Reliable Long-Range Measurement Performance: Supports accurate ranging from 4 m to 1000 m, with extended capability up to 1200 m under optimal visibility conditions.
- Compact & Lightweight Structure: Cylindrical design (Ø23 mm × 47 mm) with approx. 20 g weight, suitable for portable electro-optical systems and UAV integration.
- Flexible Measurement Frequency: Configurable 3–12 Hz ranging rate enables adaptation to both static and dynamic measurement applications.
- Optimized Power Efficiency: Average operating power consumption <1 W, suitable for battery-powered and embedded systems.
- Easy Integration & Secondary Development: UART-TTL communication interface with complete protocol support enables fast integration into embedded platforms.
- Stable & Robust Operation: High valid measurement rate (≥98%) and low false alarm rate (≤1%) ensure reliable real-world performance.
TECHNICAL PARAMETERS
|
Parameter |
Specification |
|
Laser Wavelength |
905 nm ± 5 nm |
|
Laser Beam Divergence |
< 6 mrad |
|
Optical Material |
Resin aspheric lens |
|
Receiver Aperture |
20 mm ± 0.05 mm |
|
Ranging Range |
White building: 4 m – 1000 m (max. 1200 m at night); vegetation ≥ 750 m |
|
Ranging Accuracy |
δ ≤ 100 cm, 5 m ≤ d < 1000 m¹) (Standard version: ±1 m) |
|
Ranging Frequency |
3 Hz – 12 Hz (customizable) |
|
Ranging Resolution |
Typical resolution: 20 cm |
|
Valid Measurement Rate |
≥ 98% |
|
False Alarm Rate |
≤ 1% |
|
Communication Interface |
UART-TTL, customizable |
|
Baud Rate |
115200 bps |
|
Supply Voltage |
3.3 V – 5 V (recommended supply voltage ≥ 3.5 V) |
|
Operating Power Consumption |
Average power consumption < 1 W |
|
Peak Current |
Typical startup inrush current ≈ 350 mA (at typical 3.3 V supply) |
|
Operating Temperature |
−20 °C to +60 °C |
|
Storage Temperature |
−40 °C to +60 °C |
|
Protection Rating |
None (lens cavity IP67) |
|
Laser Safety Class |
IEC Class 1 |
|
Shock Resistance |
1000 g, 1 ms, 500 cycles |
|
Dimensions |
Ø23 mm × 47 mm |
|
Spot Banding (Beam Striping) |
3.15 cm × 3.15 cm @ 10 m |
|
Weight |
≈ 20 g |
|
Shock |
1000 g/ms (10 times/s along the optical axis) |
|
Vibration |
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® LR1000D23 is a new-generation compact 905nm laser rangefinder module designed for high-precision distance measurement in electro-optical and embedded systems. Utilizing advanced Time-of-Flight (ToF) technology, the module provides stable ranging capability from 4 m to 1000 m, with extended performance up to 1200 m under optimal nighttime conditions.
Engineered with a compact cylindrical structure and optimized power consumption, the LR1000D23 is ideal for integration into UAV payloads, handheld thermal imaging devices, laser targeting systems, and other portable electro-optical equipment. The module supports a UART-TTL communication interface and includes test software and protocol documentation, enabling fast system integration and secondary development.
With high measurement reliability and adaptable refresh rates (3–12 Hz), the LR1000D23 provides stable distance sensing performance across a wide range of professional and industrial environments.
Key Advantages
- Reliable Long-Range Measurement Performance: Supports accurate ranging from 4 m to 1000 m, with extended capability up to 1200 m under optimal visibility conditions.
- Compact & Lightweight Structure: Cylindrical design (Ø23 mm × 47 mm) with approx. 20 g weight, suitable for portable electro-optical systems and UAV integration.
- Flexible Measurement Frequency: Configurable 3–12 Hz ranging rate enables adaptation to both static and dynamic measurement applications.
- Optimized Power Efficiency: Average operating power consumption <1 W, suitable for battery-powered and embedded systems.
- Easy Integration & Secondary Development: UART-TTL communication interface with complete protocol support enables fast integration into embedded platforms.
- Stable & Robust Operation: High valid measurement rate (≥98%) and low false alarm rate (≤1%) ensure reliable real-world performance.
|
Parameter |
Specification |
|
Laser Wavelength |
905 nm ± 5 nm |
|
Laser Beam Divergence |
< 6 mrad |
|
Optical Material |
Resin aspheric lens |
|
Receiver Aperture |
20 mm ± 0.05 mm |
|
Ranging Range |
White building: 4 m – 1000 m (max. 1200 m at night); vegetation ≥ 750 m |
|
Ranging Accuracy |
δ ≤ 100 cm, 5 m ≤ d < 1000 m¹) (Standard version: ±1 m) |
|
Ranging Frequency |
3 Hz – 12 Hz (customizable) |
|
Ranging Resolution |
Typical resolution: 20 cm |
|
Valid Measurement Rate |
≥ 98% |
|
False Alarm Rate |
≤ 1% |
|
Communication Interface |
UART-TTL, customizable |
|
Baud Rate |
115200 bps |
|
Supply Voltage |
3.3 V – 5 V (recommended supply voltage ≥ 3.5 V) |
|
Operating Power Consumption |
Average power consumption < 1 W |
|
Peak Current |
Typical startup inrush current ≈ 350 mA (at typical 3.3 V supply) |
|
Operating Temperature |
−20 °C to +60 °C |
|
Storage Temperature |
−40 °C to +60 °C |
|
Protection Rating |
None (lens cavity IP67) |
|
Laser Safety Class |
IEC Class 1 |
|
Shock Resistance |
1000 g, 1 ms, 500 cycles |
|
Dimensions |
Ø23 mm × 47 mm |
|
Spot Banding (Beam Striping) |
3.15 cm × 3.15 cm @ 10 m |
|
Weight |
≈ 20 g |
|
Shock |
1000 g/ms (10 times/s along the optical axis) |
|
Vibration |
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 Type: 905 nm semiconductor pulse laser (Class 1 eye-safe)
- Measurement Principle: Time-of-Flight (ToF)
- Measurement Range: 4 m – 1000 m (up to 1200 m max at night)
- Accuracy: typical ±1 m
- Measurement Frequency: 3 – 12 Hz adjustable
- Resolution: typical 0.2 m
- Interface: UART TTL (115200 bps)
- Supply Voltage: 3.3 V – 5 V
- Average Power Consumption: < 1 W
- Weight: approx. 20 g
- Dimensions: Ø23 mm × 47 mm
The LR1000D23 laser rangefinder module is suitable for:
- UAV and drone distance measurement systems
- electro-optical payload integration
- thermal imaging and night vision devices
- handheld laser rangefinder equipment
- laser targeting and observation systems
- perimeter and border security monitoring
- railway and infrastructure inspection
- industrial automation sensing
- outdoor measurement equipment
- specialized manufacturer of laser ranging modules and electro-optical solutions
- extensive experience in UAV and industrial integration
- support for OEM and customized solutions
- stable product performance across diverse environments
- engineering support for system integration
What is the maximum measurement range of LR1000D23?
The module supports reliable measurement up to 1000 m, with extended capability up to 1200 m under optimal nighttime visibility conditions.
Is LR1000D23 suitable for UAV integration?
Yes, its compact size and moderate power consumption make it suitable for UAV payload integration.
What interface does the module support?
It uses a UART TTL communication interface, allowing easy integration into embedded systems.
What is the measurement frequency?
The ranging frequency can be configured between 3 Hz and 12 Hz depending on system requirements.
Is the laser safe for human eyes?
Yes, the module complies with IEC Class 1 eye safety standards.
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