905nm Laser Rangefinder Module – 0.2–1200m High-Sensitivity Sensor
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PRODUCT DESCRIPTON
The ERDI LASER® SPD1200S2 is a high-sensitivity 905nm laser rangefinder module designed for precise distance measurement from 0.2 m to 1200 m, with extended nighttime capability up to 1500 m. Featuring a larger receiving aperture and optimized optical structure, it enhances signal acquisition capability and improves detection stability in complex environments. The module supports a UART-TTL interface and includes complete protocol documentation for seamless integration.
Key Advantages
- Enhanced Signal Reception: Larger receiver aperture (9.0 × 14.5 mm) improves signal capture and detection reliability.
- High Measurement Accuracy: Provides ±0.3 m accuracy at short distances with adaptive compensation across full range.
- Stable Long-Range Performance: Optimized for consistent performance under varying environmental conditions.
- High Refresh Rate: Supports 4–15 Hz adaptive measurement for real-time sensing applications.
- Compact Yet Powerful: Balanced size and performance for integration into UAV and EO systems.
- Reliable Operation: High measurement success rate and low false alarm rate ensure stable system performance.
TECHNICAL PARAMETERS
|
Parameter |
Specification |
|
Laser Wavelength |
905nm±5nm |
|
Laser Divergence Angle |
＜6mrad |
|
Optical Material |
Resin aspherical lens |
|
Receiving Aperture |
9.0mm × 14.5mm |
|
Ranging Range |
0.2m～1200m，Max 1500m (Night) |
|
Ranging Accuracy |
±0.3m (≤400m)±0.5m + d×0.1% (400m＜d＜1200m) |
|
Ranging Frequency |
4Hz~15Hz Adaptive |
|
Measurement Accuracy Rate |
≥98% |
|
False Alarm Rate |
≤1% |
|
Communication Interface |
UART-TTL, Customizable |
|
Baud Rate |
Default: 115200bps |
|
Supply Voltage |
3.3V~5V |
|
Start-up Time |
≤200ms |
|
Instant Start Current |
≈300mA |
|
Operating Power Consumption |
Average ≈0.5W，Max 0.75W |
|
Operating Temperature |
-20℃~+60℃ |
|
Storage Temperature |
-40℃~+60℃ |
|
Protection Grade |
Lens cavity IP67 |
|
Laser Safety Class |
IEC CLASS I |
|
Dimension |
24.6mm×14.45mm×26.3mm (Square) |
|
Weight |
≤10g |
INTERFACE
|
Pin |
Definition |
Description |
|
1 |
GND |
Power − |
|
2 |
VCC |
Power + |
|
3 |
I/O (Reserved) |
Reserved for expansion |
|
4 |
TXD |
Signal output port, Ranging Module → Host |
|
5 |
RXD |
Signal input port, Host → Ranging Module |
|
6 |
SW-SHOT |
Function Enable (active high) Note: Compatible with active-low control requirements |
Information Download
-
PRODUCT DESCRIPTON
-
TECHNICAL PARAMETERS
-
INTERFACE
-
Information Download
The ERDI LASER® SPD1200S2 is a high-sensitivity 905nm laser rangefinder module designed for precise distance measurement from 0.2 m to 1200 m, with extended nighttime capability up to 1500 m. Featuring a larger receiving aperture and optimized optical structure, it enhances signal acquisition capability and improves detection stability in complex environments. The module supports a UART-TTL interface and includes complete protocol documentation for seamless integration.
Key Advantages
- Enhanced Signal Reception: Larger receiver aperture (9.0 × 14.5 mm) improves signal capture and detection reliability.
- High Measurement Accuracy: Provides ±0.3 m accuracy at short distances with adaptive compensation across full range.
- Stable Long-Range Performance: Optimized for consistent performance under varying environmental conditions.
- High Refresh Rate: Supports 4–15 Hz adaptive measurement for real-time sensing applications.
- Compact Yet Powerful: Balanced size and performance for integration into UAV and EO systems.
- Reliable Operation: High measurement success rate and low false alarm rate ensure stable system performance.
|
Parameter |
Specification |
|
Laser Wavelength |
905nm±5nm |
|
Laser Divergence Angle |
＜6mrad |
|
Optical Material |
Resin aspherical lens |
|
Receiving Aperture |
9.0mm × 14.5mm |
|
Ranging Range |
0.2m～1200m，Max 1500m (Night) |
|
Ranging Accuracy |
±0.3m (≤400m)±0.5m + d×0.1% (400m＜d＜1200m) |
|
Ranging Frequency |
4Hz~15Hz Adaptive |
|
Measurement Accuracy Rate |
≥98% |
|
False Alarm Rate |
≤1% |
|
Communication Interface |
UART-TTL, Customizable |
|
Baud Rate |
Default: 115200bps |
|
Supply Voltage |
3.3V~5V |
|
Start-up Time |
≤200ms |
|
Instant Start Current |
≈300mA |
|
Operating Power Consumption |
Average ≈0.5W，Max 0.75W |
|
Operating Temperature |
-20℃~+60℃ |
|
Storage Temperature |
-40℃~+60℃ |
|
Protection Grade |
Lens cavity IP67 |
|
Laser Safety Class |
IEC CLASS I |
|
Dimension |
24.6mm×14.45mm×26.3mm (Square) |
|
Weight |
≤10g |
|
Pin |
Definition |
Description |
|
1 |
GND |
Power − |
|
2 |
VCC |
Power + |
|
3 |
I/O (Reserved) |
Reserved for expansion |
|
4 |
TXD |
Signal output port, Ranging Module → Host |
|
5 |
RXD |
Signal input port, Host → Ranging Module |
|
6 |
SW-SHOT |
Function Enable (active high) Note: Compatible with active-low control requirements |
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: 4 – 15 Hz adaptive
- Beam divergence: < 6 mrad
- Receiver aperture: 9.0 mm × 14.5 mm
- Interface: UART TTL (115200 bps)
- Supply voltage: 3.3 – 5 V
- Power consumption:
- Average ≈ 0.5 W
- Max ≤ 0.75 W
- Weight: ≤ 10 g
- Dimensions: 24.6 × 14.45 × 26.3 mm
- Laser safety: IEC Class 1
The SPD1200S2 laser rangefinder module is suitable for:
- UAV electro-optical payload systems
- long-range detection and monitoring systems
- thermal imaging and night vision integration
- industrial sensing and automation
- smart positioning and detection platforms
- railway and infrastructure inspection
- security and surveillance systems
- outdoor measurement and surveying equipment
| Model | Core Strength | Key Feature | Best Scenario |
|---|---|---|---|
| SPD1200H2 | High Accuracy | Stable precision measurement | Precision sensing and industrial measurement |
| SPD1200Z2 | High Refresh Rate | Fast adaptive ranging | Dynamic target tracking and UAV navigation |
| SPD1200N0 | Sealed Compact Structure | Cylindrical integrated design | Industrial embedded systems |
| SPD1200N2 | Ultra-Compact Sealed Design | Miniaturized lightweight structure | Space-constrained portable devices |
| SPD1200S2 | Balanced High Performance | Stable ranging with low power consumption | General OEM and embedded integration |
| SPD1200S2G | Laser + Gyroscope Integration | Integrated ranging and attitude sensing | Spatial positioning and intelligent observation systems |
What makes SPD1200S2 different from other SPD modules?
It features a larger receiving aperture, improving signal capture and detection stability.
What is the measurement range?
0.2 m to 1200 m, with up to 1500 m at night.
Is it suitable for long-distance applications?
Yes, it is optimized for stable performance in extended-range scenarios.
What interface does it use?
UART-TTL interface with full protocol documentation.
Is the laser eye safe?
Yes, it complies with IEC Class 1 standards.
Related product
-SPD1200H2
-SPD1200Z2
-SPD1200NO
-SPD1200N2
-SPD1200S2G
-SPD Series Laser Rangefinder Comparison
-SPD1200H2
-SPD1200Z2
-SPD1200NO
-SPD1200N2
-SPD1200S2G
-SPD Series Laser Rangefinder Comparison
Looking for a high-sensitivity laser rangefinder module with enhanced detection performance? Contact ERDI TECH for technical consultation, customization, and pricing support.