Spectra LR20-1 Receiver with Holding Clamps and Magnetic Mount
Compact Laser Receiver Used on
Mini-Excavators and Compact Machines |
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Spectra Precision LR20-1 Laser Receiver
Compact machines can achieve tighter tolerances without the help of a grade checker when using a Spectra Precision LR20 laser receiver, making smaller machines even more productive and accurate while saving on material usage costs. The LR20 laser receiver is for the cost-conscious site prep contractor by offering an attractive return on investment. This laser receiver can be moved easily around your fleet of compact machines with its features and setup options for multiple applications and specifications.
Use the LR20 as a standalone display receiver on mini excavators, backhoes and scrapers as well as skid steer attachments, box blades, pulled scrapers and small dozers.
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| Spectra LR20-1 Laser Receiver INCLUDES |
- LR20 Laser Receiver
- Holding clamps
- Magnetic Mount
- 5 x Typ AA NiMH Batteries
- Charger 220 V AC & Adapter
- Carrying Case
- Owners Manual and Instructions
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| Spectra LR20-1 Receiver Key FEATURES and BENEFITS |
- 8-inch (203 mm), 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
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| Spectra Precision Receiver LR20-1 APPLICATIONS |
- Landscaping, building pads, sports fields, concrete flatwork, tennis courts
- Footers, storm drains, utility, sewage
- General construction grade and depth control
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| Spectra Precision LR20 Receiver COMPARISON CHART |
| PART NUMBER |
BATTERIES |
MAGNETIC MOUNT |
| LR20 |
NiMH Rechargeable |
NO |
| LR20-1 |
NiMH Rechargeable |
YES |
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| 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
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Machine Receiver - FEATURE COMPARISONS
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| 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
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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
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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
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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.
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