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Trimble Construction Division, 5475 Kellenburger Road, Dayton, OH 45424, USA

registered in the United States Patent and Trademark Office and in other countries. All other trademarks are the property of their respective owners. PN 022482-

375 (12/06)

http:// constructionpartners.trimble.com Page 1

December 2005 Spectra Precision Laser Dealer Confidential

Spectra Precision Laser LR60

Receiver

Weatherproof 360° laser receiver

General Description

The Spectra Precision

Laser LR60 Receiver is designed to be used as a

stand-alone display receiver for backhoes, excavators, dozers and

trenchers. Engineered for use in harsh environments, the LR60 is 100%

weatherproof and features 360-degree laser detection.

Standard Features

• Patented Angle Compensation—for excavation automatically

calculates and corrects the grade display for the angle of the

dipper arm.

• Built-in plumb indication—for quick and accurate grade

checking on excavators and backhoes.

• Offset On-grade—provides more information above grade using

the entire receiver for productive excavation.

• Selectable accuracy—lets you match your application requirements. Using the right accuracy

for the job means clearer feedback to the operator and less display “jitter.” Work to the tolerances

demanded by the job by selecting the correct on-grade accuracy.

• Selectable on-grade accuracy—allows configuration of the LR60 to match the job site

tolerances.

• Precise laser strike positions—for more accurate grade control. Unlike other laser receivers that

provide only 5 to 7 fixed relative grade regions, the LR60 laser receiver provides a continuous,

absolute laser strike position to precisely measure the actual height deviation from “On Grade.”

This feature gives you the highest accuracy and grade performance.

Summary of content (3 pages)

PAGE 1
December 2005 Spectra Precision Laser Dealer Confidential Spectra Precision Laser LR60 Receiver Weatherproof 360° laser receiver General Description The Spectra Precision® Laser LR60 Receiver is designed to be used as a stand-alone display receiver for backhoes, excavators, dozers and trenchers. Engineered for use in harsh environments, the LR60 is 100% weatherproof and features 360-degree laser detection.
PAGE 2
• Greater Detection Height—the LR60 offers 222 mm (8.75 in.) of detection height, keeping you in the laser beam longer. Regardless of your application, from rough grading to fine grading, display to automatic, the LR60 ensures more grade information—even on the toughest jobs. • Designed for construction—Shock mounted electronics for stable performance and tough aluminum/poly carbonate housing for superior knock and drop protection.
PAGE 3
Specifications FEATURE SPECIFICATION Beam Reception Range Operating Range Laser RPM Vertical Reception Accuracy—On-Grade Deadbands (Grading) 360 degrees Over 460 m (1500 ft), radius laser dependent Minimum: 105; Maximum: 1200 222 mm (8.75 in.) Setup: 5 mm (0.20 in.) Fine: 10 mm (0.40 in.) Standard: 20 mm (0.80 in.) Wide: 40 mm (1.60 in.) Setup 6 mm (0.25 in.) Fine: 12 mm (0.50 in.) Standard: 25 mm (1.0 in.) Wide: 50 mm (2.0 in.) Fine: 12 mm (1/2 in.) Standard: 25 mm (1.0 in.