905nm Laser Rangefinder Module - 1500m UART TTL Distance Sensor
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PRODUCT DESCRIPTON
The ERDI LASER® LR1500D23 is a compact 905nm laser rangefinder module designed for accurate distance measurement up to 1500 m. The module integrates stable optical performance and optimized signal processing, enabling reliable ranging capability for electro-optical and embedded sensing systems.
Key Advantages
- Long Distance Measurement Capability： Supports stable ranging performance up to 1500 m for extended observation and detection requirements.
- Compact Mechanical Design： Cylindrical structure (Ø23 mm × 45.6 mm) with lightweight construction enables flexible integration into portable electro-optical devices.
- High Measurement Stability：Valid measurement rate ≥98% with low false alarm rate ensures consistent and dependable distance output.
- Configurable Measurement Frequency： Adjustable update rate between 2–10 Hz supports various sensing and tracking applications.
- Low Power Consumption： Average power consumption approx. 0.6 W supports portable and battery-powered systems.
- Integration-Oriented Interface：UART TTL communication interface allows straightforward integration into embedded hardware platforms.
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 |
4 m – 1500 m |
|
Ranging Accuracy |
δ ≤ ±1 m, 4 m ≤ d < 1000 m¹) (Standard version: ±1 m) |
|
Ranging Frequency |
2–10 Hz |
|
Ranging Resolution |
Typical resolution: 10 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 |
Maximum power consumption in continuous ranging < 0.8 W; average power consumption ≈ 0.6 W |
|
Peak Current |
Typical startup inrush current ≈ 300 mA (at typical 3.3 V supply) |
|
Operating Temperature |
−20 °C to +55 °C (custom version available down to −40 °C) |
|
Storage Temperature |
−40 °C to +60 °C |
|
Protection Rating |
None (lens cavity IP67) |
|
Laser Safety Class |
IEC Class 1 |
|
Dimensions |
Ø23 mm × 45.6 mm |
|
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® LR1500D23 is a compact 905nm laser rangefinder module designed for accurate distance measurement up to 1500 m. The module integrates stable optical performance and optimized signal processing, enabling reliable ranging capability for electro-optical and embedded sensing systems.
Key Advantages
- Long Distance Measurement Capability： Supports stable ranging performance up to 1500 m for extended observation and detection requirements.
- Compact Mechanical Design： Cylindrical structure (Ø23 mm × 45.6 mm) with lightweight construction enables flexible integration into portable electro-optical devices.
- High Measurement Stability：Valid measurement rate ≥98% with low false alarm rate ensures consistent and dependable distance output.
- Configurable Measurement Frequency： Adjustable update rate between 2–10 Hz supports various sensing and tracking applications.
- Low Power Consumption： Average power consumption approx. 0.6 W supports portable and battery-powered systems.
- Integration-Oriented Interface：UART TTL communication interface allows straightforward integration into embedded hardware platforms.
|
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 |
4 m – 1500 m |
|
Ranging Accuracy |
δ ≤ ±1 m, 4 m ≤ d < 1000 m¹) (Standard version: ±1 m) |
|
Ranging Frequency |
2–10 Hz |
|
Ranging Resolution |
Typical resolution: 10 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 |
Maximum power consumption in continuous ranging < 0.8 W; average power consumption ≈ 0.6 W |
|
Peak Current |
Typical startup inrush current ≈ 300 mA (at typical 3.3 V supply) |
|
Operating Temperature |
−20 °C to +55 °C (custom version available down to −40 °C) |
|
Storage Temperature |
−40 °C to +60 °C |
|
Protection Rating |
None (lens cavity IP67) |
|
Laser Safety Class |
IEC Class 1 |
|
Dimensions |
Ø23 mm × 45.6 mm |
|
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 wavelength: 905 nm ± 5 nm
- Measurement range: 4 m – 1500 m
- Accuracy: ±1 m (4 m – 1000 m)
- Resolution: 0.1 m typical
- Measurement frequency: 2 – 10 Hz configurable
- Interface: UART TTL (115200 bps)
- Supply voltage: 3.3 – 5 V
- Average power consumption: approx. 0.6 W
- Weight: approx. 20 g
- Dimensions: Ø23 mm × 45.6 mm
- Laser safety class: IEC Class 1 eye safe
LR1500D23 laser rangefinder module is suitable for:
- electro-optical observation systems
- UAV payload distance sensing
- handheld thermal imaging equipment
- night vision devices
- laser targeting systems
- perimeter and border monitoring
- infrastructure inspection
- railway monitoring systems
- industrial distance sensing
- smart 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?
The module supports reliable ranging capability up to 1500 m under standard measurement conditions.
What interface does the module support?
LR1500D23 uses UART TTL communication interface for embedded system integration.
Is the module suitable for UAV payloads?
Yes, the compact structure and low power consumption make it suitable for UAV electro-optical integration.
Can the module operate in low temperature environments?
Standard operating temperature range is −20°C to +55°C, with optional customization down to −40°C.
Is the laser eye safe?
Yes, the module complies with IEC Class 1 eye safety standards.
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