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1535nm DPSS Laser Rangefinder Module

ERDI LASER® eye-safe laser rangefinder modules use self-developed erbium glass lasers that emit pulses toward a target and measure time-of-flight (TOF) to determine distance. As Class 1 eye-safe lasers, they are designed for OEM integration, featuring compact size, high accuracy, strong environmental adaptability, and flexible communication interfaces. ERDI offers modules with ranging distances from 3km to 18km to meet diverse customer needs.

3km 4km~10km 12~18km

Comparison

Eye-safe laser rangefinder modules based on erbium glass lasers are one of ERDI TECH LTD’s core product lines. According to the required detection range (tested on vehicle/NATO targets), the modules are classified into 3 km short-range, 4–10 km mid-range, and 12–18 km long-range laser rangefinder modules. Each application scenario requires a different module specification, and customers can refer to the comparison table below to select the most suitable model. ERDI also supports parameter customization—welcome to explore ERDI’s full range of laser ranging solutions.

3km Laser Ranging

Model LRF0305C LRF0306C LRF0105C LRF0310C
Maximum Measuring Range ≥ 4000m @60% Reflectivity, Building Target
≥ 3000m @30% Reflectivity, 2.3×2.3m Target
≥ 1500m @30% Reflectivity, 0.5×1.7m Target
≥ 800m @30% Reflectivity, 0.2×0.3m Target		 NATO's Goals (2.3m×2.3m) ≥3000m NATO Objective(2.3m×2.3m) ≥3000m
Human Target(0.5m×1.7m) ≥1500m
Minimum Range ≤10 m ≤10 m ≤15 m ≤15 m
Ranging Frequency 1Hz ~3Hz 1Hz ~10Hz Single, 1Hz, 5Hz, 10Hz Single, 1Hz~10Hz
Ranging Accuracy ±1 m ±1 m ±2 m ±1 m
Peak Power Consumption <3W@5V ≤1.5W ≤7W@12V
Dimensions(L×W×H) ≤ 27×25×15.5mm(L×W×H) Φ34mm×47.5mm 48mm×30.5mm×21mm
Weight ≤ 14士1g ≤29±1 g ≤32±1 g
Divergence Angle ≤0.6 mrad ≤1mrad ≤0.6 mrad
Standby Power Consumption (Full Temperature Range)
≤10mW (Power on pulled low)
≤0.8W (Power on pulled high)		 ≤1mW ≤ 0.6W
Interface UART(TTL 3.3V)
Laser Wavelength 1535±5nm
Eye- safety Class Ⅰ (IEC 60825-1)
Laser Energy ≥100 μJ
Multi-Target Detection Up to 3 targets
False Alarm Rate 1%
Operating Temperature -40 ~ +70℃ -40～+70 ℃
Storage Temperature -45 ~ +70℃ -55～+75 ℃
Shock 1200g， 1ms Meet the MIL-STD-810G testing standard
Vibration 5~50~5 Hz, 1 octave/min, 2.5g Meet the MIL-STD-810G testing standard

4km~6km Laser Ranging

Model LRF0405C LRF0609C LRF0610C LRF0612C
Divergence Angle ≤0.6 mrad ≤ 0.5 mrad ≤0.5 mrad ≤0.3 mrad
Transmitting aperture Φ8 mm Φ12 mm Φ10 mm Φ12 mm
Receiving aperture Φ16 mm Φ26 mm Φ25 mm Φ25 mm
Measuring Range （Reflectance 30%; visibility ≥ 5km.）
NATO objective(2.3m×2.3m) ≥4km
Human target(0.5m×1.7m) ≥1200m		 Under visibility ≥ 12 km and relative humidity ≤ 60%, tested against a 0.3-reflectivity panel (or equivalent target):
Vehicle (2.3 m × 4.6 m): ≥ 6000 m;		 (Reflectance 30%; visibility ≥ 8km.)
NATO objective(2.3m×2.3m) ≥6km
Human target(0.5m×1.7m) ≥1500m		 (Reflectance 30%; visibility ≥ 8 km.)
NATO objective(2.3m×2.3m) ≥6 km
Human target(0.5m×1.7m) ≥1200m
Minimum Range ≤15 m ≤20 m ≤15 m ≤50 m
Ranging Frequency Single, 1Hz ~10Hz Single shot, 1 Hz, 2 Hz, 3 Hz, 4 Hz, 5 Hz, 10 Hz 0.5Hz ~10Hz  1Hz ~10Hz
Supply Voltage DC3～5 V 4.5 V–16 V DC12 V DC 4.5～16 V
Power consumption ≤2.5 W @10 Hz (avg)
≤7 W @12 V(Peak)		  ≤ 1.5 W (avg)
≤ 0.3 W (standby)		 ≤2.5 W (avg)
≤7 W @12 V(Peak)		 ≤4 W  (avg)
≤14W @12 V(Peak)
Weight ≤32±1 g ≤ 62 g ≤90g ≤ 58±1g
Dimension (L×W×H) 48mm×30.5mm×21 mm  55 × 48 × 32 mm 70mm×32mm×40mm 65mm×48mm×32 mm
Operating Temperature -40～+70 ℃ −40 °C to +60 °C -40～+70 ℃ -40～+70 ℃
Storage Temperature -55～+75 ℃ −50 °C to +70 °C (to be qualified at the system level) -55～+75 ℃ -55～+75 ℃
Laser Wavelength 1535±5nm
Eye- safety Class Ⅰ
Ranging Accuracy ±2 m
Applicable Standards MIL-STD-810G

8km~10km Laser Ranging

Model LRF0815C LRF0816C LRF0818C LRF1017C
Divergence Angle ≤0.3 mrad ≤0.3 mrad ≤ 0.4 mrad ≤0.3 mrad
Transmitting aperture Φ12 mm Φ12 mm Φ12 mm Φ12 mm
Receiving aperture Φ40 mm Φ25 mm Φ26 mm Φ40 mm
Measuring Range (Reflectance 30%; visibility ≥ 10 km.)
NATO objective(2.3m×2.3m) ≥8 km		 (Reflectance 30%; visibility ≥ 8 km.)
NATO objective(2.3m×2.3m) ≥8 km
Human target(0.5m×1.7m) ≥1500m		 Under visibility ≥ 12 km and relative humidity ≤ 60%, tested against a 0.3-reflectivity panel (or equivalent target)
Vehicle (2.3 m × 4.6 m): ≥ 8km
Human (0.5 m × 1.7 m): ≥ 4500 m
UAV (0.2 m × 0.3 m): ≥ 2600 m		 NATO objective(2.3m×2.3m) ≥10km
Minimum Range ≤15 m ≤50 m ≤ 20 m ≤50 m
Ranging Frequency 0.5Hz ~10Hz  1Hz ~10Hz Single shot, 1 Hz, 2 Hz, 3 Hz, 4 Hz, 5 Hz, 10 Hz 0.5Hz ~10Hz
Supply Voltage DC12 V DC 4.5～16 V 4.5 V–16 V DC12 V
Power consumption ≤2 W(avg)
≤3W@10Hz(Peak)		 ≤4 W (avg)
≤14W @12 V(Peak)		 Standby ≤ 1 mW;
Operating ≤ 4 W;
Peak ≤ 14 W @ 12 V		 ≤2 W (avg)
≤3W@10Hz(Peak)
Weight ≤175g ≤ 58±1g ≤ 65 g ≤275g
Dimension (L×W×H) 65mm×46mm×86mm 65mm×48mm×32 mm ≤ 59.5 mm × 26 mm × 32 mm 107×62×72mm
Operating Temperature -40～+70 ℃ -40～+70 ℃ −40 °C to +60 °C -40～+70 ℃
Storage Temperature -55～+75 ℃ -55～+75 ℃ −50 °C to +70 °C (to be qualified at the system level) -55～+75 ℃
Laser Wavelength 1535±5nm
Eye- safety Class Ⅰ
Ranging Accuracy ±2 m
Applicable Standards MIL-STD-810G

12km~18km Laser Ranging

Model LRF1222C LRF1221C LRF1525C LRF1830C
Laser Energy ≥300 μJ ≥300 μJ ≥500 μJ ≥500 μJ
Launch Lens Diameter Φ16.5 mm Φ12 mm Φ15 mm Φ18 mm
Receiver Lens Diameter Φ40 mm Φ40 mm Φ50 mm Φ60 mm
Measuring Range (Reflectance 30%; visibility ≥ 12 km.)
NATO objective(2.3m×2.3m) ≥12 km		 (Reflectance 30%; visibility ≥15km.)
4m × 6m Objective ≥12 km		 (Reflectance 30%; visibility ≥ 18 km.)
4m×6m Objective ≥15 km		 (Reflectance 30%; visibility ≥ 18 km.)
4m×6m Objective ≥18 km
Minimum Range ≤40 m ≤50 m ≤50 m ≤50 m
Communication interface TTL J30J J30J J30J
Weight ≤335g ≤275g ≤400g ≤400g
Dimension (L×W×H) 107×62×72mm 107×62×72mm 125mm×85mm×58.5mm 125mm×100mm×70mm
Laser Wavelength 1.54μm±0.02μm
Eye- safety Class Ⅰ
Divergence Angle ≤0.3 mrad
Ranging Frequency 0.5Hz ~10Hz
Number of multi-target detections Up to 3 targets
Ranging Accuracy ±2 m
Range Resolution ≤0.1 m
Precision Rate ≥98%
False Alarm Rate ≤1%
Supply Voltage DC12 V
Standby power consumption ≤1.2W
Average power consumption ≤2 W
Peak Power Consumption ≤3W@10Hz
Operating Temperature -40～+70 ℃
Storage Temperature -55～+75 ℃
Impact Resistance Meet the MIL-STD-810G testing standard
Vibration Resistance Meet the MIL-STD-810G testing standard

  • 3km Laser Ranging

  • 4km~6km Laser Ranging

  • 8km~10km Laser Ranging

  • 12km~18km Laser Ranging

Model LRF0305C LRF0306C LRF0105C LRF0310C
Maximum Measuring Range ≥ 4000m @60% Reflectivity, Building Target
≥ 3000m @30% Reflectivity, 2.3×2.3m Target
≥ 1500m @30% Reflectivity, 0.5×1.7m Target
≥ 800m @30% Reflectivity, 0.2×0.3m Target		 NATO's Goals (2.3m×2.3m) ≥3000m NATO Objective(2.3m×2.3m) ≥3000m
Human Target(0.5m×1.7m) ≥1500m
Minimum Range ≤10 m ≤10 m ≤15 m ≤15 m
Ranging Frequency 1Hz ~3Hz 1Hz ~10Hz Single, 1Hz, 5Hz, 10Hz Single, 1Hz~10Hz
Ranging Accuracy ±1 m ±1 m ±2 m ±1 m
Peak Power Consumption <3W@5V ≤1.5W ≤7W@12V
Dimensions(L×W×H) ≤ 27×25×15.5mm(L×W×H) Φ34mm×47.5mm 48mm×30.5mm×21mm
Weight ≤ 14士1g ≤29±1 g ≤32±1 g
Divergence Angle ≤0.6 mrad ≤1mrad ≤0.6 mrad
Standby Power Consumption (Full Temperature Range)
≤10mW (Power on pulled low)
≤0.8W (Power on pulled high)		 ≤1mW ≤ 0.6W
Interface UART(TTL 3.3V)
Laser Wavelength 1535±5nm
Eye- safety Class Ⅰ (IEC 60825-1)
Laser Energy ≥100 μJ
Multi-Target Detection Up to 3 targets
False Alarm Rate 1%
Operating Temperature -40 ~ +70℃ -40～+70 ℃
Storage Temperature -45 ~ +70℃ -55～+75 ℃
Shock 1200g， 1ms Meet the MIL-STD-810G testing standard
Vibration 5~50~5 Hz, 1 octave/min, 2.5g Meet the MIL-STD-810G testing standard
Model LRF0405C LRF0609C LRF0610C LRF0612C
Divergence Angle ≤0.6 mrad ≤ 0.5 mrad ≤0.5 mrad ≤0.3 mrad
Transmitting aperture Φ8 mm Φ12 mm Φ10 mm Φ12 mm
Receiving aperture Φ16 mm Φ26 mm Φ25 mm Φ25 mm
Measuring Range （Reflectance 30%; visibility ≥ 5km.）
NATO objective(2.3m×2.3m) ≥4km
Human target(0.5m×1.7m) ≥1200m		 Under visibility ≥ 12 km and relative humidity ≤ 60%, tested against a 0.3-reflectivity panel (or equivalent target):
Vehicle (2.3 m × 4.6 m): ≥ 6000 m;		 (Reflectance 30%; visibility ≥ 8km.)
NATO objective(2.3m×2.3m) ≥6km
Human target(0.5m×1.7m) ≥1500m		 (Reflectance 30%; visibility ≥ 8 km.)
NATO objective(2.3m×2.3m) ≥6 km
Human target(0.5m×1.7m) ≥1200m
Minimum Range ≤15 m ≤20 m ≤15 m ≤50 m
Ranging Frequency Single, 1Hz ~10Hz Single shot, 1 Hz, 2 Hz, 3 Hz, 4 Hz, 5 Hz, 10 Hz 0.5Hz ~10Hz  1Hz ~10Hz
Supply Voltage DC3～5 V 4.5 V–16 V DC12 V DC 4.5～16 V
Power consumption ≤2.5 W @10 Hz (avg)
≤7 W @12 V(Peak)		  ≤ 1.5 W (avg)
≤ 0.3 W (standby)		 ≤2.5 W (avg)
≤7 W @12 V(Peak)		 ≤4 W  (avg)
≤14W @12 V(Peak)
Weight ≤32±1 g ≤ 62 g ≤90g ≤ 58±1g
Dimension (L×W×H) 48mm×30.5mm×21 mm  55 × 48 × 32 mm 70mm×32mm×40mm 65mm×48mm×32 mm
Operating Temperature -40～+70 ℃ −40 °C to +60 °C -40～+70 ℃ -40～+70 ℃
Storage Temperature -55～+75 ℃ −50 °C to +70 °C (to be qualified at the system level) -55～+75 ℃ -55～+75 ℃
Laser Wavelength 1535±5nm
Eye- safety Class Ⅰ
Ranging Accuracy ±2 m
Applicable Standards MIL-STD-810G
Model LRF0815C LRF0816C LRF0818C LRF1017C
Divergence Angle ≤0.3 mrad ≤0.3 mrad ≤ 0.4 mrad ≤0.3 mrad
Transmitting aperture Φ12 mm Φ12 mm Φ12 mm Φ12 mm
Receiving aperture Φ40 mm Φ25 mm Φ26 mm Φ40 mm
Measuring Range (Reflectance 30%; visibility ≥ 10 km.)
NATO objective(2.3m×2.3m) ≥8 km		 (Reflectance 30%; visibility ≥ 8 km.)
NATO objective(2.3m×2.3m) ≥8 km
Human target(0.5m×1.7m) ≥1500m		 Under visibility ≥ 12 km and relative humidity ≤ 60%, tested against a 0.3-reflectivity panel (or equivalent target)
Vehicle (2.3 m × 4.6 m): ≥ 8km
Human (0.5 m × 1.7 m): ≥ 4500 m
UAV (0.2 m × 0.3 m): ≥ 2600 m		 NATO objective(2.3m×2.3m) ≥10km
Minimum Range ≤15 m ≤50 m ≤ 20 m ≤50 m
Ranging Frequency 0.5Hz ~10Hz  1Hz ~10Hz Single shot, 1 Hz, 2 Hz, 3 Hz, 4 Hz, 5 Hz, 10 Hz 0.5Hz ~10Hz
Supply Voltage DC12 V DC 4.5～16 V 4.5 V–16 V DC12 V
Power consumption ≤2 W(avg)
≤3W@10Hz(Peak)		 ≤4 W (avg)
≤14W @12 V(Peak)		 Standby ≤ 1 mW;
Operating ≤ 4 W;
Peak ≤ 14 W @ 12 V		 ≤2 W (avg)
≤3W@10Hz(Peak)
Weight ≤175g ≤ 58±1g ≤ 65 g ≤275g
Dimension (L×W×H) 65mm×46mm×86mm 65mm×48mm×32 mm ≤ 59.5 mm × 26 mm × 32 mm 107×62×72mm
Operating Temperature -40～+70 ℃ -40～+70 ℃ −40 °C to +60 °C -40～+70 ℃
Storage Temperature -55～+75 ℃ -55～+75 ℃ −50 °C to +70 °C (to be qualified at the system level) -55～+75 ℃
Laser Wavelength 1535±5nm
Eye- safety Class Ⅰ
Ranging Accuracy ±2 m
Applicable Standards MIL-STD-810G
Model LRF1222C LRF1221C LRF1525C LRF1830C
Laser Energy ≥300 μJ ≥300 μJ ≥500 μJ ≥500 μJ
Launch Lens Diameter Φ16.5 mm Φ12 mm Φ15 mm Φ18 mm
Receiver Lens Diameter Φ40 mm Φ40 mm Φ50 mm Φ60 mm
Measuring Range (Reflectance 30%; visibility ≥ 12 km.)
NATO objective(2.3m×2.3m) ≥12 km		 (Reflectance 30%; visibility ≥15km.)
4m × 6m Objective ≥12 km		 (Reflectance 30%; visibility ≥ 18 km.)
4m×6m Objective ≥15 km		 (Reflectance 30%; visibility ≥ 18 km.)
4m×6m Objective ≥18 km
Minimum Range ≤40 m ≤50 m ≤50 m ≤50 m
Communication interface TTL J30J J30J J30J
Weight ≤335g ≤275g ≤400g ≤400g
Dimension (L×W×H) 107×62×72mm 107×62×72mm 125mm×85mm×58.5mm 125mm×100mm×70mm
Laser Wavelength 1.54μm±0.02μm
Eye- safety Class Ⅰ
Divergence Angle ≤0.3 mrad
Ranging Frequency 0.5Hz ~10Hz
Number of multi-target detections Up to 3 targets
Ranging Accuracy ±2 m
Range Resolution ≤0.1 m
Precision Rate ≥98%
False Alarm Rate ≤1%
Supply Voltage DC12 V
Standby power consumption ≤1.2W
Average power consumption ≤2 W
Peak Power Consumption ≤3W@10Hz
Operating Temperature -40～+70 ℃
Storage Temperature -55～+75 ℃
Impact Resistance Meet the MIL-STD-810G testing standard
Vibration Resistance Meet the MIL-STD-810G testing standard

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