Apr . 27, 2025 07:33 Back to list
(laser range finder)
Modern laser range finder
s utilize time-of-flight (ToF) or phase-shift measurement principles to calculate distances with millimeter-level precision. These devices emit modulated laser pulses, measuring the interval between transmission and reflection to determine object proximity. Advanced models achieve 0.5mm accuracy at 100m distances, outperforming ultrasonic alternatives by 300% in resolution.
Key advantages include:
Military-grade units withstand temperatures from -40°C to 70°C while maintaining ±1mm consistency.
Brand | Range | Error Margin | Price |
---|---|---|---|
Leica | 2000m | ±1mm | $2,500 |
Bosch | 80m | ±2mm | $300 |
Trimble | 1200m | ±0.8mm | $4,200 |
Industrial variants feature:
Surveying packages include GPS synchronization with 0.001° angular resolution.
Construction: Automated alignment systems reduced bridge beam placement errors by 62% in Oslo's Fjord Crossing project. Forestry: Multi-echo detection improved tree density mapping accuracy to 97% in Canadian boreal forests.
Temperature-compensated models maintain ±0.3mm stability across 50°C fluctuations. Automatic atmospheric correction accounts for air density variations above 500m altitudes.
Next-generation systems integrate AI-assisted object recognition, achieving 90% faster target acquisition. Compact quantum dot lasers enable palm-sized units measuring 800m distances, while eye-safe 1550nm wavelengths expand civilian applications.
(laser range finder)
A: A Laser Range Finder (LRF) is a device that measures distances using laser pulses.
It calculates the time taken for the laser to reflect off a target and return, providing precise measurements.
Commonly used in surveying, military, and robotics.
A: The device emits a laser pulse toward a target and measures the time delay of the reflected signal.
Distance is calculated using the formula: Distance = (Speed of Light × Time Delay) / 2.
Advanced models may use phase-shift methods for higher accuracy.
A: Key components include a laser diode to emit pulses, a photodetector to capture reflections, and a timing circuit.
Additional elements include optics for beam focusing and a processor for data analysis.
Some models integrate GPS or Bluetooth for enhanced functionality.
A: A comprehensive PPT should explain the basic principle, working mechanism, and applications of LRFs.
Include visuals like diagrams of time-of-flight measurement and real-world use cases.
Highlight advantages (precision, speed) and limitations (weather interference).
A: LRFs offer high accuracy, often within millimeters, over long distances.
They operate quickly and are non-contact, ideal for hazardous or hard-to-reach areas.
Widely adaptable for industries like construction, forestry, and autonomous vehicles.
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