905nm Diode Laser Rangefinder Module
ERDI LASER® 905nm Laser Rangefinder Modules use semiconductor laser technology to measure distances with short laser pulses. They feature high accuracy, wide ranging capability, compact size, and low power consumption, and comply with Class 1 eye-safe standards (IEC 60825-1). Key products include 1km–2km compact rangefinder modules and 20m–1.5km high-frequency modules.
Compact Laser Module
High Frequency Laser
Comparison
ERDI 905 nm laser ranging modules are semiconductor-based short-pulse distance sensors that measure distance using direct time-of-flight (DToF/ToF) technology. Based on the measurement repetition rate, the modules can be categorized into high-frequency laser ranging modules and standard laser ranging modules. Users can refer to the table below to select the most suitable model for their specific application requirements.
Compact Laser Module
| Model | LRF1000A | LRF1200A1 | LRF1500A | LRF2000A |
| Laser divergence angle (typical) | 4×6mrad | ≤ 10mrad | 3×6mrad | ≤ 10mrad |
| Maximum range (Visibility ≥ 6Km) building targets |
≥1000m @70% reflectivity | ≥5~1200m | ≥1500m @70% reflectivity | ≥ 2000 m @ 70% reflectivity |
| Minimum range | 5m | 5m | 5m | 3 m @ 90% reflectivity, white board |
| Ranging accuracy (Construction target) (d represents distance, in meters) |
d≤200m:±0.7m d>200m:±(0.7+0.0004*d)m |
5≤L≤100m:±1m L>100m:±(1+L*0.4%)m |
d≤200m:±0.7m d>200m:±(0.7+0.0004*d)m |
d≤200m:±0.7m d>200m:±(0.7+0.0004*d)m |
| Measurement frequency | 1~3Hz | 1~3Hz | 1~3Hz | 3 Hz when measuring the same target continuously 2 Hz when switching between different targets |
| Supply voltage | DC 3.3V~5V | DC3.3+/-0.1V | DC 3.3±0.1V | DC 3.3±0.1V |
| Standby Power Consumption | ≤0.5W | ≤400mW | ≤0.5mW (Power on pulled low) ≤0.35W (Power on pulled high) |
≤ 350 mW (Power-on pull-down) ≤ 1 mW (Power-on pull-up) |
| Operating power consumption | ≤1.5W | (+3.3Vin) ≤1.5W@25℃ ≤1.75W@70℃ ≤1.38W@-20℃ |
(+3.3Vin) ≤1.5W@25℃ ≤1.75W@70℃ ≤1.38W@-20℃ |
(+3.3Vin) ≤1.8W@25℃ ≤2.1W@70℃ ≤1.6W@-20℃ |
| Startup time | ≤550ms | ≤500ms | ≤500ms | (System Startup + First Ranging) Minimum: ≤ 550 ms + 46 ms (near-range) Maximum: ≤ 550 ms + 458 ms (long-range) |
| Weight | 10±0.5g | 18g | 11±0.5g | 12±0.5g |
| Dimensions | Φ17×37.2 mm | Ф23mm X 40mm | 26×25×14.5mm | 14.5×25 ×26mm |
| Shock | 1200g,1ms | 1200 g,1 ms | 1200g,1ms | 1000 g/ms (10 times/s along the optical axis) |
| Operating temperature | -20~+70℃ | -20~+60℃ | -20~+70℃ | -20~+60℃ |
| Storage temperature | -25~+75℃ | -55~+65℃ | -25~+75℃ | -25~+75℃ |
| Laser wavelength | 905±10nm | |||
| Interface type | UART(TTL_3.3V) | |||
| Accuracy rate | ≥98% | |||
| Measurement resolution | 0.1m | |||
| Vibration | 5~50~5 Hz, 1 octave/min, 2.5g | |||
| Reliability | MTBF≥1500h | |||
10~50m Laser Module
| Wavelength | 940nm | 905nm | 905nm | 905nm |
| Module | LRF10VB | LRF22VB | LRF50VB | LRF50H |
| Measuring Range | 0.05m~9m (90%reflectivity) 0.05m~5m (10%reflectivity) |
0.05m~20m (90%reflectivity) 0.05m~10m (10%reflectivity) |
0.05m~50m (90%reflectivity) 0.05m~20m (10%reflectivity) |
0.05m~50m (90%reflectivity) 0.05m~15m (10%reflectivity) |
| Frequency | 50Hz | 200Hz (Alternative100/50/20/10/1Hz) |
100Hz | 20Hz~10KHz (Default: 1KHz) |
| Accuracy | ±5cm (<5m) 1% (≥5m) |
±5cm (<5m ) 1% (≥5m) |
±5cm (<5m ) 1% (≥5m) |
±5cm(<10m) , 1%(≥10m)(2σ) |
| Ambient Light Immunity | 2m@ 70KLux2 | 8m@60KLux | 10m@60KLux | 45m@100KLux2 |
| Supply Voltage | 4.5~5.5VDC | 3 ~ 3.6VDC | 3.3~5VDC | 9~36VDC |
| Communication Interface | UART | UART/IIC | UART/IIC | UART |
| Dimension | 12 x 7.5 x 9.1mm | 21x 15 x 7.43 mm | 18.7 x 11.8 x 13.3mm | 38 x 20 x 30 mm |
| Weight | 1g | 1.5g | 1.3g | 15±2g |
| Operating Temperature | -20℃~ +60℃ | -20℃ ~ +60℃ | -20℃ ~ +60℃ | -20℃~+60℃ (No condensation,indicator red light automatically turns off when under -20℃) |
100~1500m Laser Module
| Wavelength | 905nm | 905nm | 905nm | 905nm | 905nm |
| Module | LRF100H | LRF200H | LRF300H | LRF600H | LRF1500H |
| Measuring Range | 0.05m~100m (90%reflectivity) 0.05m~30m (10%reflectivity) |
0.05m~200m (90%reflectivity) 0.05m~70m (10%reflectivity) |
0.05m~300m (90%reflectivity) 0.05m~100m (10%reflectivity) |
0.05m~600m (90%reflectivity) 0.05m~200m (10%reflectivity) |
0.05m~1500m (90%reflectivity) 0.05m~300m (10%reflectivity) |
| Frequency | 20Hz~10KHz (Default: 1KHz) | 20Hz~10KHz (Default: 1KHz) | 1KHz or 50Hz (Switch automatically to match the intensity of reflected signals) |
1KHz or 50Hz (Switch automatically to match the intensity of reflected signals) |
1KHz or 50Hz (Switch automatically to match the intensity of reflected signals) |
| Accuracy | ±10cm (<10m), 1% (≥10m) | ±10cm (<10m), 1% (≥10m) | ±10cm (<10m), 1% (≥10m) | ±10cm (<10m), 1% (≥10m) | ±10cm (<10m), 1% (≥10m) |
| Ambient Light Immunity | 100KLux | 100KLux | 100KLux | 100KLux | 100KLux |
| Supply Voltage | 9 ~ 36VDC | 9 ~ 36VDC | 9 ~ 36VDC | 9 ~ 36VDC | 9 ~ 36VDC |
| Communication Interface | UART/IIC | UART/IIC | UART/IIC | UART/IIC | UART/IIC |
| Dimension | 33 x 34 x 18 mm | 33 x 34 x 18 mm | 33 x 34 x 18 mm | 33 x 34 x 18 mm | 33 x 34 x 18 mm |
| Weight | 20±2g | 20±2g | 20±2g | 20±2g | 20±2g |
| Operating Temperature | -20℃ ~ +60℃ | -20℃ ~ +60℃ | -20℃ ~ +60℃ | -20℃ ~ +60℃ | -20℃ ~ +60℃ |
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Compact Laser Module
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10~50m Laser Module
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100~1500m Laser Module
| Model | LRF1000A | LRF1200A1 | LRF1500A | LRF2000A |
| Laser divergence angle (typical) | 4×6mrad | ≤ 10mrad | 3×6mrad | ≤ 10mrad |
| Maximum range (Visibility ≥ 6Km) building targets |
≥1000m @70% reflectivity | ≥5~1200m | ≥1500m @70% reflectivity | ≥ 2000 m @ 70% reflectivity |
| Minimum range | 5m | 5m | 5m | 3 m @ 90% reflectivity, white board |
| Ranging accuracy (Construction target) (d represents distance, in meters) |
d≤200m:±0.7m d>200m:±(0.7+0.0004*d)m |
5≤L≤100m:±1m L>100m:±(1+L*0.4%)m |
d≤200m:±0.7m d>200m:±(0.7+0.0004*d)m |
d≤200m:±0.7m d>200m:±(0.7+0.0004*d)m |
| Measurement frequency | 1~3Hz | 1~3Hz | 1~3Hz | 3 Hz when measuring the same target continuously 2 Hz when switching between different targets |
| Supply voltage | DC 3.3V~5V | DC3.3+/-0.1V | DC 3.3±0.1V | DC 3.3±0.1V |
| Standby Power Consumption | ≤0.5W | ≤400mW | ≤0.5mW (Power on pulled low) ≤0.35W (Power on pulled high) |
≤ 350 mW (Power-on pull-down) ≤ 1 mW (Power-on pull-up) |
| Operating power consumption | ≤1.5W | (+3.3Vin) ≤1.5W@25℃ ≤1.75W@70℃ ≤1.38W@-20℃ |
(+3.3Vin) ≤1.5W@25℃ ≤1.75W@70℃ ≤1.38W@-20℃ |
(+3.3Vin) ≤1.8W@25℃ ≤2.1W@70℃ ≤1.6W@-20℃ |
| Startup time | ≤550ms | ≤500ms | ≤500ms | (System Startup + First Ranging) Minimum: ≤ 550 ms + 46 ms (near-range) Maximum: ≤ 550 ms + 458 ms (long-range) |
| Weight | 10±0.5g | 18g | 11±0.5g | 12±0.5g |
| Dimensions | Φ17×37.2 mm | Ф23mm X 40mm | 26×25×14.5mm | 14.5×25 ×26mm |
| Shock | 1200g,1ms | 1200 g,1 ms | 1200g,1ms | 1000 g/ms (10 times/s along the optical axis) |
| Operating temperature | -20~+70℃ | -20~+60℃ | -20~+70℃ | -20~+60℃ |
| Storage temperature | -25~+75℃ | -55~+65℃ | -25~+75℃ | -25~+75℃ |
| Laser wavelength | 905±10nm | |||
| Interface type | UART(TTL_3.3V) | |||
| Accuracy rate | ≥98% | |||
| Measurement resolution | 0.1m | |||
| Vibration | 5~50~5 Hz, 1 octave/min, 2.5g | |||
| Reliability | MTBF≥1500h | |||
| Wavelength | 940nm | 905nm | 905nm | 905nm |
| Module | LRF10VB | LRF22VB | LRF50VB | LRF50H |
| Measuring Range | 0.05m~9m (90%reflectivity) 0.05m~5m (10%reflectivity) |
0.05m~20m (90%reflectivity) 0.05m~10m (10%reflectivity) |
0.05m~50m (90%reflectivity) 0.05m~20m (10%reflectivity) |
0.05m~50m (90%reflectivity) 0.05m~15m (10%reflectivity) |
| Frequency | 50Hz | 200Hz (Alternative100/50/20/10/1Hz) |
100Hz | 20Hz~10KHz (Default: 1KHz) |
| Accuracy | ±5cm (<5m) 1% (≥5m) |
±5cm (<5m ) 1% (≥5m) |
±5cm (<5m ) 1% (≥5m) |
±5cm(<10m) , 1%(≥10m)(2σ) |
| Ambient Light Immunity | 2m@ 70KLux2 | 8m@60KLux | 10m@60KLux | 45m@100KLux2 |
| Supply Voltage | 4.5~5.5VDC | 3 ~ 3.6VDC | 3.3~5VDC | 9~36VDC |
| Communication Interface | UART | UART/IIC | UART/IIC | UART |
| Dimension | 12 x 7.5 x 9.1mm | 21x 15 x 7.43 mm | 18.7 x 11.8 x 13.3mm | 38 x 20 x 30 mm |
| Weight | 1g | 1.5g | 1.3g | 15±2g |
| Operating Temperature | -20℃~ +60℃ | -20℃ ~ +60℃ | -20℃ ~ +60℃ | -20℃~+60℃ (No condensation,indicator red light automatically turns off when under -20℃) |
| Wavelength | 905nm | 905nm | 905nm | 905nm | 905nm |
| Module | LRF100H | LRF200H | LRF300H | LRF600H | LRF1500H |
| Measuring Range | 0.05m~100m (90%reflectivity) 0.05m~30m (10%reflectivity) |
0.05m~200m (90%reflectivity) 0.05m~70m (10%reflectivity) |
0.05m~300m (90%reflectivity) 0.05m~100m (10%reflectivity) |
0.05m~600m (90%reflectivity) 0.05m~200m (10%reflectivity) |
0.05m~1500m (90%reflectivity) 0.05m~300m (10%reflectivity) |
| Frequency | 20Hz~10KHz (Default: 1KHz) | 20Hz~10KHz (Default: 1KHz) | 1KHz or 50Hz (Switch automatically to match the intensity of reflected signals) |
1KHz or 50Hz (Switch automatically to match the intensity of reflected signals) |
1KHz or 50Hz (Switch automatically to match the intensity of reflected signals) |
| Accuracy | ±10cm (<10m), 1% (≥10m) | ±10cm (<10m), 1% (≥10m) | ±10cm (<10m), 1% (≥10m) | ±10cm (<10m), 1% (≥10m) | ±10cm (<10m), 1% (≥10m) |
| Ambient Light Immunity | 100KLux | 100KLux | 100KLux | 100KLux | 100KLux |
| Supply Voltage | 9 ~ 36VDC | 9 ~ 36VDC | 9 ~ 36VDC | 9 ~ 36VDC | 9 ~ 36VDC |
| Communication Interface | UART/IIC | UART/IIC | UART/IIC | UART/IIC | UART/IIC |
| Dimension | 33 x 34 x 18 mm | 33 x 34 x 18 mm | 33 x 34 x 18 mm | 33 x 34 x 18 mm | 33 x 34 x 18 mm |
| Weight | 20±2g | 20±2g | 20±2g | 20±2g | 20±2g |
| Operating Temperature | -20℃ ~ +60℃ | -20℃ ~ +60℃ | -20℃ ~ +60℃ | -20℃ ~ +60℃ | -20℃ ~ +60℃ |