Long Distance Laser Ranging Module 1535nm Eye-safety Laser Rangefinder Sensor 4000m
Long Distance Laser Ranging Module 1535nm Eye-safety Laser Rangefinder Sensor 4000m
The LRF0405C eyesafe laser rangefinder module from ERDI TECH uses a self-developed 1535nm Diode Pump Solid State microchip laser. It offers NATO target ranging of 2.3m×2.3m reaching ≥4km, in a compact size of ≤48×30.5×21mm and ≤32g weight. Features include stable laser measurement, self-testing, temperature reporting, three-target ranging, pre/post-measurement target indication, single/continuous ranging, baud rate setting, laser launch tracking, and serial port update support. Its versatility suits it for laser distance measurement, UAS, optical pods, and boundary monitoring.
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Project |
Performance Indicators |
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Model |
LRF0405C |
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Laser Wavelength |
1535±5nm |
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Eye Safety |
Class Ⅰ(IEC 60825-1) |
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Divergence Angle |
~0.6 mrad |
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Launch Lens Diameter |
Φ8 mm |
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Receiver Lens Diameter |
Φ16 mm |
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Measuring Range （Reflectance 30%; visibility ≥ 8km.） |
Big Target（4m×6m) |
≥5000m |
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NATO objective(2.3m×2.3m) |
≥4000m |
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People(0.5m×1.7m) |
≥2100m |
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Drones(0.2m×0.3m) |
≥1100m |
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Minimum Range |
15 m |
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Ranging Frequency |
1~10 Hz |
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Ranging Accuracy |
±2 m |
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Range Resolution |
≤20 m |
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Precision Rate |
≥98% |
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False Alarm Rate |
≤1% |
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Number of multi-target detections |
Up to 3 targets |
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Electrical Interface |
A1257WR-S-6P |
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Supply Voltage |
DC 4.5～16 V |
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Standby power consumption |
≤1 mW |
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Average power consumption |
≤2.5 W @10 Hz |
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Peak Power Consumption |
≤7 W @12 V |
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Weight |
≤32±1 g |
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Dimension (L×W×H) |
48mm×30.5mm×21 mm |
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Operating Temperature |
-40～+70 ℃ |
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Storage Temperature |
-55～+75 ℃ |
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Impact Resistance |
1200 g/1 ms（GJB150.16A-2009） |
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Anti-vibration |
5～50～5 Hz，1 Octave range /min，2.5 g |
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Ranging Logic |
First and last target, multi-target ranging, distance selectivity |
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Activation Time |
≤950 ms |
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Data Interface |
UART（TTL_3.3V） |
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Electrical isolation |
Isolation of power ground, communication ground and structure ground |
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Reliability |
MTBF ≥ 1500h |
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Optical axis stability |
≤0.05 mrad |
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Non-parallelism between optical axis and mounting surface |
≤0.5 mrad |
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Protection Class |
IP67 |
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ESD Class |
(Lens position) Contact discharge 6kV Air discharge 8kV |
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Electromagnetic Compatibility (EMC) |
CE/FCC Certification |
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Eco-friendly |
RoHS2.0 |
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