Laser Receiver, Linear Display/Control w/Plumb Indicator, N

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The Spectra Precision® LR series of Machine Control Receiver Sensors are designed to increase machine and operator productivity. Users can check grade conveniently from the machine cab, which saves labor, time, and fuel. Use on backhoes, excavators, dozers, box blades, trenchers, and skid steer attachments.


  • Versatile 360° degree reception
  • Works with all types of Spectra Precision Lasers
  • Multiple Accuracy selections to choose from
  • Long life battery operation
  • Ultra-bright LED’s with Green on Grade
  1. LR20 with adjustable magnetic mount for compact machines
  2. LR30 and LR30W for general grades with 3 selectable accuracies
  3. LR50 and LR50W for excavating and grading with built-in blade tilt and plumb indication
  4. LR60 and LR60W for excavating with plumb indication and angle compensation

Spectra Precision LR50-LR50W Data Sheet

Spectra Precision LR50-LR50W User Guide

Spectra Precision Exterior Productivity Tools Brochure 2016

Additional information

Weight 10 lbs


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If you require customized technical services and training, please contact Frontier Precision at 800-359-3703 or reach out to a local Frontier Precision location.

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Frontier Precision offers affordable regularly scheduled certified training classes, online eLearning, webinars, as well as custom training options to meet your specific training needs.