Spectra Precision LR20 Compact Laser Receiver with Holding Clamps

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Spectra LR20 Receiver with Holding Clamps

Compact Laser Receiver Used on
Mini-Excavators and Compact Machines

Spectra LR20 Laser Receiver INCLUDES

LR20 Receiver with Holding clamps
5 x Typ AA NiMH Batteries
Charger 120V AC & Adapter
Carrying Case
Owners Manual and Instructions

Spectra LR20 Receiver Key FEATURES and BENEFITS

8-inch, 360-degree laser reception provides large working area and range
Polycarbonate housing and elastomer over molding provides rugged durability for years of reliable use
Super bright grade display with Green on-grade LEDs provides superior depth/elevation indication
Push button setup for ease of use and application flexibility
Powered by NiMH batteries; optional machine power cord available
Center and offset on-grades are ideal for both grading and excavating applications
Built-in plumb indicator for fast, accurate grade checking in excavation applications
LR20-1 kit includes adjustable magnetic mount that fits in case with receiver for easy transport

Spectra Precision Receiver LR20 APPLICATIONS

Landscaping, building pads, sports fields, concrete flatwork, tennis courts
Footers, storm drains, utility, sewage
General construction grade and depth control

Spectra Precision LR20 Receiver COMPARISON CHART

PART NUMBER

BATTERIES

MAGNETIC MOUNT

LR20

NiMH Rechargeable

LR20-1

NiMH Rechargeable

YES

MACHINE LASER RECEIVER COMPARISON CHART
Specifications	LR20	LR30 / LR30W	LR50 / LR50W	LR60 LR60W
Number of Display Channels	5-Channel	5-Channel	5-Channel 6-Channel in Excavating Mode	9-Channel
ACCURACY: Center on grade mode (grading)	Fine: 0.20" Standard: 0.40" Wide: 0.80"	Fine: 0.20" Standard: 0.45" Wide: 1.25"	Fine: 0.20" Standard: 0.40" Wide: 0.80"	Setup 0.25" Fine: 0.40" Standard: 0.80" Wide: 1.60"
ACCURACY: Offset on grade mode (grading)	Fine: 0.50" Standard: 1.0" Wide: 2.0"	NA	Fine: 0.50" Standard: 1.0" Wide: 2.0"	Setup 0.25" Fine: 0.50" Standard: 1.0" Wide: 2.0"
ACE Angle Compensation Mode	NA	NA	NA	Fine: 0.50" Standard: 1.0"
Blade-Tilt Accuracy	NA	NA	±0.5°, ±1.5°, ±2.5°	NA
Plumb-Swing Accuracy	±0.5°, ±1.5°, ±2.5°	NA	±0.5°, ±1.5°, ±2.5°	Standard: .05" Angle Compensated Mode: 1.0 in
Beam Reception	360	360	360	360
Vertical Reception	8	6.75	6.75	8.75
LED Battery Life Alkaline Bright / Dim NiMH Bright / Dim	35 hours	50 - 75 hours 40 - 50 hours	45 - 60 hours 30 - 45 hours	45 - 75 hours 40 - 50 hours
Battery Recharge Time	3-4	3-4	3-4	3-4
Size	9.5 x 4.38 x 1.85	13.5 x 5.6 x 5.9	13.5 x 5.6 x 5.9	15.5 x 5.6 x 5.9
Weight	2.5	5.5	5.5	6.0
Receiver Warranty	2 Years	2 Years	2 Years	2 Years

Machine Receiver - FEATURE COMPARISONS
LR20	Compact Laser Receiver 8-inch Receiving Height 360-degree laser reception provides large working area and range Super bright grade display with Green on-grade LED-s provides superior depth/elivation indication Center and offset on-grades are ideal for both grading and excavation applications
LR30 LR30W	Used on Grading and Excavating equipment including: Dozers, Graders, Scrapers, Skid Steers, Box Blades and Levelers 6.75-inch Receiving Height 360-degree laser reception picks up the laser from all directions Five channels of grade information plus directional out-of-beam indicators Three selectable accuracies meet job tolerances from rough grading to final finishing. Ultra-bright LED's with Green on-grade provides easy-to-see display to match ambient lighting conditions
LR50 LR50W	Features Built-in Blade Tilt and Excavation Plumb Indicator 6.75-inch Receiving Height 360-degree laser reception provides large working area and range Built-in blade tilt indicator help the operator 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. Built-in plumb indicator for fast, accurate grade checking in excavation applications Offset On-Grade gives you more range above grade using the entire receiver for more productive excavation Up to six channels of grade information Directional out of beam indicators
LR60 LR60W	Features Excavation Plumb Indicator and Angle Compensation Indication 8.75-inch Receiving Height 360-degree laser reception provides large working area and range Patented Angle Compensation Indication automatically calculates and corrects the grade display for the angle of the dipper arm Check Grade with the dipper arm extender or retracted up to 30-degrees Built-in plumb indicator for fast, accurate grade checking Center on-grade provides an equal amount of grade information above the below on-grade. Use on dozers graders, scrapers and box blades. Extended reception height stays in the beam longer providing addional grade information. Offset on-grade for productive excavation Up to eight channels of grade information plus directional out-of-beam indicators. Four selectable accuracies for eac on-grade location.