Machine Display Receiver

LR50 | LR50W

Rugged 360-degree Laser Machine Display Receiver with Built-in Blade Tilt and Excavator Boom Plumb Indicator

The Spectra Precision® Laser LR50 Laser Machine Display Receiver is designed to be used as a stand-alone display receiver on grading and excavating equipment including: dozers, excavators, backhoes, scrapers, and box blades.

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Rugged and Compatible

360-Degree Laser Receiver for Any Job

The easy-to-use LR50 features versatile 360-degree laser reception and works with all types of rotating lasers on all types of machinery for fast, no-hassle setup. Rugged and waterproof, the LR50 receiver withstands all weather environments. Internal isolating shock mounts protect the electronics. The LR50W is designed to be used with the RD20 Wireless Remote Display.

Datasheet
Features & Benefits

Accurate, Flexible, and Easy-to-Use

The LR50 Laser Receiver enhances grading and excavation productivity with features designed for precision and versatility. A built-in blade tilt indicator and plumb sensor help operators maintain accurate cuts and grades, while Center On-Grade and Offset On-Grade modes provide tailored grade information for dozers, graders, scrapers, and excavators. Up to six channels of grade data and directional out-of-beam indicators ensure fast, reliable alignment. Three selectable accuracy settings accommodate tasks from rough grading to final finishing, and an adjustable green on-grade LED display makes readings clear in any light. When paired with the RD20 Wireless Remote Display, the LR50W delivers seamless control and efficiency across the jobsite.

  • Built-in blade tilt indicator helps the operators keep the blade level for increased accuracy and productivity

  • Center On-grade provides an equal amount of grade information above and below on-grade. Use on dozers, graders, scrapers and box blades

  • Offset on-grade for productive excavation provides additional above grade information for less undercuts

  • Built-in plumb indicator for fast, accurate grade checking for excavators and backhoe’s

  • Up to six channels of grade information plus directional out-of-laser beam indicators

  • Three selectable accuracies meet job tolerances from rough grading to final finishing for maximum flexibility

  • Adjustable, ultra-bright LED with green on-grade display provides user selectable, easy-to-see display to match ambient lighting conditions

  • LR50W Used with Spectra Precision RD20 Wireless Remote Display

Feature LR20 LR30/30W LR50/LR50W LR60/LR60W
Display Channels 5-Channels 5-Channels 5-Channels 9-Channels
Accuracy Center on Grade Fine: 5 mm
Standard: 10 mm
Wide: 20 mm		 Fine: 5 mm
Standard: 12 mm
Wide: 32 mm		 Fine: 5 mm
Standard: 10 mm
Wide: 20 mm		 Settup: 5mm
Fine: 10 mm
Standard: 20 mm
Wide: 40 mm
Accuracy Offset on Grade 5-Channels N/A Fine: 12 mm
Standard: 25 mm
Wide: 50 mm		 Settup: 6mm
Fine: 12 mm
Standard: 25 mm
Wide: 50 mm
ACE N/A N/A N/A N/A
Blade / Tilt Accuracy N/A N/A ±0.5°, ±1.5°, ±2.5° N/A
Plumb / Swing Accuracy ±0.5°, ±1.5°, ±2.5° N/A ±0.5°, ±1.5°, ±2.5° Standard: 12 mm
Vertical Reception 203mm 171mm 171mm 222 mm
Compatible with Remote Control 30W 50W 60W
Warranty 2 Years 2 Years 2 Years 2 Years
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