905nm Laser Rangefinder Module - 1200m UART TTL Distance Sensor
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PRODUCT DESCRIPTON
The ERDI LASER® LR1200D23 is a compact 905nm laser rangefinder module designed for precise distance measurement up to 1200 m. The module combines optimized optical design with stable signal processing, providing reliable performance for electro-optical systems requiring accurate and efficient distance sensing.
Key Advantages
- Extended Measurement Capability: Supports stable distance measurement up to 1200 m, enabling longer detection range for electro-optical observation systems.
- Compact and Lightweight Design: Small cylindrical structure (Ø23 mm × 45.6 mm) and approx. 20 g weight support easy integration into portable and airborne systems.
- High Measurement Reliability: Valid measurement rate ≥ 98% with low false alarm probability ensures consistent distance output.
- Flexible Ranging Frequency: Configurable update rate supports different system response requirements.
- Low Power Operation: Typical average power consumption approx. 0.6 W, suitable for battery-powered devices and embedded platforms.
- Easy System Integration: UART-TTL communication interface simplifies integration into electro-optical and embedded electronic systems.
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 – 1200 m (max. 1200 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® LR1200D23 is a compact 905nm laser rangefinder module designed for precise distance measurement up to 1200 m. The module combines optimized optical design with stable signal processing, providing reliable performance for electro-optical systems requiring accurate and efficient distance sensing.
Key Advantages
- Extended Measurement Capability: Supports stable distance measurement up to 1200 m, enabling longer detection range for electro-optical observation systems.
- Compact and Lightweight Design: Small cylindrical structure (Ø23 mm × 45.6 mm) and approx. 20 g weight support easy integration into portable and airborne systems.
- High Measurement Reliability: Valid measurement rate ≥ 98% with low false alarm probability ensures consistent distance output.
- Flexible Ranging Frequency: Configurable update rate supports different system response requirements.
- Low Power Operation: Typical average power consumption approx. 0.6 W, suitable for battery-powered devices and embedded platforms.
- Easy System Integration: UART-TTL communication interface simplifies integration into electro-optical and embedded electronic systems.
|
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 – 1200 m (max. 1200 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 – 1200 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: IEC Class 1 eye safe
LR1200D23 laser rangefinder module is suitable for:
- electro-optical observation systems
- UAV payload distance sensing
- handheld night vision devices
- thermal imaging equipment
- laser targeting systems
- perimeter security monitoring
- infrastructure inspection systems
- railway monitoring equipment
- industrial distance measurement
- smart sensing systems
- 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 distance measurement capability up to 1200 m under standard measurement conditions.
What communication interface is supported?
The module uses UART TTL interface for easy integration into embedded systems.
Is the module suitable for portable systems?
Yes, the compact size and low power consumption make it suitable for handheld electro-optical devices and UAV payloads.
Can the module operate in low temperature environments?
Standard operating temperature is −20°C to +55°C, with customized versions available down to −40°C.
Is the laser safe for human eyes?
Yes, LR1200D23 complies with IEC Class 1 laser safety standards.
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