905nm Laser Rangefinder Module - 600m TOF Distance Sensor
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PRODUCT DESCRIPTON
The ERDI LASER® LR600D23 is a new-generation compact 905nm laser rangefinder module designed for precise distance measurement in lightweight electro-optical and embedded systems. Based on advanced Time-of-Flight (ToF) technology, it delivers stable measurement performance within a 5 m to 600 m range, with an adjustable refresh rate of 2–10 Hz to accommodate various application requirements.
Featuring a compact cylindrical structure, low power consumption, and high measurement reliability, the LR600D23 is optimized for seamless integration into UAV payloads, handheld thermal imaging devices, and portable laser systems. The module supports a UART-TTL communication interface and includes test software and communication protocol documentation, enabling fast integration and efficient secondary development.
Designed for stable operation in diverse environments, it provides a reliable distance sensing solution for both professional and industrial applications.
Key Advantages
- Stable Medium-Range Measurement: Provides reliable distance measurement from 5 m to 600 m with typical ±1 m accuracy.
- Compact & Lightweight Structure: Cylindrical design (Ø23 mm × 47 mm) with only ~20 g weight, suitable for portable and embedded electro-optical systems.
- Adjustable Measurement Frequency: Supports configurable 2–10 Hz ranging frequency for flexible system integration.
- Low Power Consumption: Optimized efficiency with <0.65 W operating power, suitable for battery-powered platforms.
- Easy Integration & Development: UART-TTL interface with complete protocol documentation for rapid integration and secondary development.
- Reliable Performance: High valid measurement rate (≥98%) with low false alarm rate (≤1%) ensures stable operation in practical environments.
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 |
5 m – 600 m |
|
Ranging Accuracy |
δ ≤ 100 cm, 5 m ≤ d < 600 m¹) (Standard version: ±1 m) |
|
Ranging Frequency |
2 Hz – 10 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 |
Maximum power consumption < 0.65 W |
|
Peak Current |
Typical startup inrush current ≈ 300 mA (at 3.3 V typical voltage) |
|
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 |
|
Dimensions |
Ø23 mm × 47 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≥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® LR600D23 is a new-generation compact 905nm laser rangefinder module designed for precise distance measurement in lightweight electro-optical and embedded systems. Based on advanced Time-of-Flight (ToF) technology, it delivers stable measurement performance within a 5 m to 600 m range, with an adjustable refresh rate of 2–10 Hz to accommodate various application requirements.
Featuring a compact cylindrical structure, low power consumption, and high measurement reliability, the LR600D23 is optimized for seamless integration into UAV payloads, handheld thermal imaging devices, and portable laser systems. The module supports a UART-TTL communication interface and includes test software and communication protocol documentation, enabling fast integration and efficient secondary development.
Designed for stable operation in diverse environments, it provides a reliable distance sensing solution for both professional and industrial applications.
Key Advantages
- Stable Medium-Range Measurement: Provides reliable distance measurement from 5 m to 600 m with typical ±1 m accuracy.
- Compact & Lightweight Structure: Cylindrical design (Ø23 mm × 47 mm) with only ~20 g weight, suitable for portable and embedded electro-optical systems.
- Adjustable Measurement Frequency: Supports configurable 2–10 Hz ranging frequency for flexible system integration.
- Low Power Consumption: Optimized efficiency with <0.65 W operating power, suitable for battery-powered platforms.
- Easy Integration & Development: UART-TTL interface with complete protocol documentation for rapid integration and secondary development.
- Reliable Performance: High valid measurement rate (≥98%) with low false alarm rate (≤1%) ensures stable operation in practical environments.
|
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 |
5 m – 600 m |
|
Ranging Accuracy |
δ ≤ 100 cm, 5 m ≤ d < 600 m¹) (Standard version: ±1 m) |
|
Ranging Frequency |
2 Hz – 10 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 |
Maximum power consumption < 0.65 W |
|
Peak Current |
Typical startup inrush current ≈ 300 mA (at 3.3 V typical voltage) |
|
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 |
|
Dimensions |
Ø23 mm × 47 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≥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 Type: 905 nm semiconductor pulse laser (Class 1 eye-safe)
- Measurement Principle: Time-of-Flight (ToF)
- Measurement Range: 5 m – 600 m
- Accuracy: ±1 m typical
- Measurement Frequency: 2 – 10 Hz adjustable
- Resolution: typical 0.2 m
- Interface: UART TTL (115200 bps)
- Supply Voltage: 3.3 V – 5 V
- Power Consumption: <0.65 W
- Weight: approx. 20 g
- Dimensions: Ø23 mm × 47 mm
The LR600D23 laser rangefinder module is widely used in:
- UAV distance measurement systems
- thermal imaging and night vision devices
- handheld laser ranging equipment
- electro-optical targeting systems
- perimeter and security monitoring systems
- railway and infrastructure inspection
- smart sensing and industrial automation
- outdoor sports distance measurement devices
- Professional manufacturer of laser distance measurement modules
- mature solutions for UAV and electro-optical integration
- support for OEM and customized configurations
- stable supply and engineering support
- proven performance in industrial environments
What is the maximum range of LR600D23?
The module supports reliable measurement from 5 m up to 600 m.
Is LR600D23 suitable for UAV integration?
Yes, its compact size and low power consumption make it suitable for UAV payloads and portable electro-optical devices.
What communication interface does the module use?
It supports UART TTL communication interface, enabling easy embedded system integration.
Is the laser eye-safe?
Yes, the module complies with IEC Class 1 laser safety standard.
Can the measurement frequency be customized?
Yes, the refresh rate can be configured between 2 Hz and 10 Hz depending on application needs.
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