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Spectra Precision Laser LR30 Receiver

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Product Description


  • Three detection accuracies
  • 360-degree reception angle
  • 5 display channels
  • 6.75-inch capture height 
  • Super bright LED indicators
  • Touch panel
  • Automatic shutoff
  • 50-hour battery life
  • Aluminum cast upper and lower housing

Overview for the Spectra Precision Laser LR30 Receiver

Designed as a stand-alone display receiver, the Spectra LR30 can be used on grading and excavating equipment, such as dozers, backhoes, excavators, scrapers, skid steers and levelers. This machine control receiver is easy to use and features a 360-degree laser detector with the ability to work with all red beam rotating lasers on all kinds of machinery. It also includes rechargeable NiMH batteries, charger and case.

LED Indicator and Display Channels

Adjustable, ultra-bright LED with green on-grade display provides you with clear viewing to match ambient lighting conditions. In addition, moving and getting back in the beam is easy with five channels of grade information and a directional out-of-laser beam indicator.


The touch panel provides low-battery warning, dead band selection and display-brightness buttons, providing construction professionals easy access to the most common functions.

Selectable On-Grade Accuracy

With fine, medium and coarse dead band settings, you can work to the tolerances demanded by the job from rough grading to final finishing for maximum flexibility.

Precise Laser Strike Positions

This Spectra machine control receiver provides a continuous, absolute laser strike position to precisely measure the actual height deviation from on-grade, giving you the highest accuracy and grade performance.

Mounting Knobs

The LR30’s large front-facing knobs allow for quick and hassle-free installation to a round pipe, square tubing, or magnetic mount.

Accessory Connector

Integrated accessory connector accepts the cable to the optional RD10 remote display, machine power cable, automatic control box, or Ni-MH battery charger.

Robust Construction

Built to be rugged and water resistant, the LR30 is made of aluminum polycarbonate housing for superior knock and drop protection. This laser detector has an internal isolating shock mount that protects the electronics and works up to 50 hours using rechargeable NiMH batteries.


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