905nm Laser Rangefinder Module 0.2–1200m High Precision Sensor
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PRODUCT DESCRIPTON
The ERDI LASER® SPD1200H2 is a high-precision 905nm laser rangefinder module designed for ultra-wide measurement capability from 0.2 m to 1200 m, with nighttime performance extending up to 1500 m under optimal visibility conditions. Optimized for both short-range precision and long-range detection, the module integrates advanced signal processing and stable optical design, delivering reliable performance across diverse measurement scenarios. It features a UART-TTL interface, along with complete communication protocols and test software, enabling efficient system integration and secondary development.
Key Advantages
- Ultra-Wide Measurement Range: Supports precise ranging from 0.2 m to 1200 m, covering both near-field and long-distance applications.
- High Measurement Accuracy: Achieves ±0.3 m accuracy within 100 m and adaptive precision for longer distances.
- High Refresh Rate Performance: Supports 2–15 Hz adaptive ranging, ideal for dynamic and real-time measurement systems.
- Ultra-Compact & Lightweight: Small form factor (Ø17 mm × 28.2 mm) and ≤6 g weight for highly integrated systems.
- Low Power Consumption: Average power consumption around 0.45 W enables efficient operation in portable devices.
- Stable & Reliable Operation: High measurement success rate and low false alarm rate ensure consistent performance.
TECHNICAL PARAMETERS
|
Parameter |
Specification |
|
Laser Wavelength |
905 nm ± 5 nm |
|
Laser Beam Divergence |
< 6 mrad |
|
Optical Material |
PMMA |
|
Receiving Aperture |
5.0mm × 7mm |
|
Measurement Range |
0.2 m – 1200 m Maximum 1500 m (nighttime) Note: The measurement range may be reduced under strong sunlight or low-visibility conditions. |
|
Ranging Accuracy |
±0.3m (≤100m) ±0.3m+d*0.7‰ (100m<d<1200m) |
|
Measurement Frequency |
2 Hz – 15 Hz Adaptive |
|
Measurement Accuracy Rate |
≥ 98% |
|
False Alarm Rate |
≤ 1% |
|
Communication Interface |
UART-TTL (Customizable) |
|
Baud Rate |
Default 115200 bps |
|
Supply Voltage |
3.3 V – 5 V |
|
Startup Time |
≤ 200 ms |
|
Operating Power Consumption |
Average Power Consumption ≈ 0.45 W Maximum Power Consumption ≤ 0.75 W |
|
Operating Temperature |
-20°C to +60°C |
|
Storage Temperature |
-30°C to +70°C |
|
Protection Rating |
IP67 (Inside Lens Cavity) |
|
Laser Safety Class |
IEC Class I |
|
Dimensions |
Ø17 mm × 28.2 mm (Square Housing) |
|
Weight |
≤ 6 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® SPD1200H2 is a high-precision 905nm laser rangefinder module designed for ultra-wide measurement capability from 0.2 m to 1200 m, with nighttime performance extending up to 1500 m under optimal visibility conditions. Optimized for both short-range precision and long-range detection, the module integrates advanced signal processing and stable optical design, delivering reliable performance across diverse measurement scenarios. It features a UART-TTL interface, along with complete communication protocols and test software, enabling efficient system integration and secondary development.
Key Advantages
- Ultra-Wide Measurement Range: Supports precise ranging from 0.2 m to 1200 m, covering both near-field and long-distance applications.
- High Measurement Accuracy: Achieves ±0.3 m accuracy within 100 m and adaptive precision for longer distances.
- High Refresh Rate Performance: Supports 2–15 Hz adaptive ranging, ideal for dynamic and real-time measurement systems.
- Ultra-Compact & Lightweight: Small form factor (Ø17 mm × 28.2 mm) and ≤6 g weight for highly integrated systems.
- Low Power Consumption: Average power consumption around 0.45 W enables efficient operation in portable devices.
- Stable & Reliable Operation: High measurement success rate and low false alarm rate ensure consistent performance.
|
Parameter |
Specification |
|
Laser Wavelength |
905 nm ± 5 nm |
|
Laser Beam Divergence |
< 6 mrad |
|
Optical Material |
PMMA |
|
Receiving Aperture |
5.0mm × 7mm |
|
Measurement Range |
0.2 m – 1200 m Maximum 1500 m (nighttime) Note: The measurement range may be reduced under strong sunlight or low-visibility conditions. |
|
Ranging Accuracy |
±0.3m (≤100m) ±0.3m+d*0.7‰ (100m<d<1200m) |
|
Measurement Frequency |
2 Hz – 15 Hz Adaptive |
|
Measurement Accuracy Rate |
≥ 98% |
|
False Alarm Rate |
≤ 1% |
|
Communication Interface |
UART-TTL (Customizable) |
|
Baud Rate |
Default 115200 bps |
|
Supply Voltage |
3.3 V – 5 V |
|
Startup Time |
≤ 200 ms |
|
Operating Power Consumption |
Average Power Consumption ≈ 0.45 W Maximum Power Consumption ≤ 0.75 W |
|
Operating Temperature |
-20°C to +60°C |
|
Storage Temperature |
-30°C to +70°C |
|
Protection Rating |
IP67 (Inside Lens Cavity) |
|
Laser Safety Class |
IEC Class I |
|
Dimensions |
Ø17 mm × 28.2 mm (Square Housing) |
|
Weight |
≤ 6 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: 0.2 m – 1200 m
- Nighttime range: up to 1500 m
- Accuracy:
- ±0.3 m (≤100 m)
- ±(0.3 m + 0.07% × distance) (>100 m)
- Measurement frequency: 2 – 15 Hz adaptive
- Beam divergence: < 6 mrad
- Receiver aperture: 5.0 mm × 7 mm
- Interface: UART TTL (115200 bps)
- Supply voltage: 3.3 – 5 V
- Power consumption:
- Average ≈ 0.45 W
- Max ≤ 0.75 W
- Weight: ≤ 6 g
- Dimensions: Ø17 mm × 28.2 mm
- Laser safety: IEC Class 1
The SPD1200H2 laser rangefinder module is suitable for:
- UAV close-range and long-range sensing systems
- high-precision electro-optical measurement systems
- handheld laser rangefinder devices
- thermal imaging and night vision integration
- industrial automation and robotics
- smart sensing and positioning systems
- railway and infrastructure inspection
- power line inspection systems
- border and perimeter monitoring
- outdoor sports and surveying equipment
Compared with standard 905nm modules:
- Wider measurement range (from ultra-close 0.2 m)
- Higher accuracy in short-distance scenarios
- Higher refresh rate (up to 15 Hz)
- More suitable for precision measurement + dynamic tracking applications
What is the minimum measurement distance?
The module supports ultra-short distance measurement starting from 0.2 m.
What is the maximum range?
It supports up to 1200 m during daytime and up to 1500 m at night.
Is it suitable for dynamic measurement?
Yes, with up to 15 Hz refresh rate, it is ideal for real-time and dynamic applications.
What interface does it use?
UART-TTL interface with full protocol documentation.
Is the laser eye safe?
Yes, it complies with IEC Class 1 safety standards.