High Accuracy Dual Slope Rotary Laser System
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Electronic self-leveling in the horizontal plane
8° dual-slope simplifies grading and concrete flatwork
Visual and audible alarms when beyond leveling range
Tilt indicator alerts operator if the laser is bumped or moved
Includes everything to grade or level your jobsite
Includes full size 13' grade rod
40-6541 Includes > Laser, NiMH rechargeable battery pack and charger, remote control with 9V battery, detector with clamp and 9V battery, tripod, 13' grade rod, magnetic target, tinted glasses, and hard-shell carrying case
Leveling Method: | Automatic (Electronic) |
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Laser Wavelength: | 635nm±10nm |
Laser Classification: | Class Illa |
Maximum Power Output: | ≤5mW |
Accuracy: | ±1/16"/100' |
Interior Range: | Up to 200' diameter |
Exterior Range: | Up to 2,000' diameter with detector |
Remote Range: | Up to 200' diameter with remote |
Self-Leveling Range: | ±5° |
Slope: | +8° |
Power Supply: | NiMH rechargeable battery pack and charger (included), 4 "C" alkaline batteries (not included) |
Battery Life: | 28 hours NiMH; 33 hours alkaline batteries |
Working Temperature: | 14°F-113°F |
Rotation Speeds: | 800 RPM |
IP Protection Class: | 66 |
Warranty: | 3 Years |
High-accuracy horizontal work including excavation, flatwork, landscaping, masonry, and form, post, and footing heights. Indoors use for drop ceilings, beams, and more!
Johnson Level Rapid Response Center for Repair and Service
Contact customer service at service@johnsonlevel.com or call 888-953-8357 from M-F 7am-5pm CT.
Rotary Laser Level Instruction Manuals
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
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Product Details
Designed with the excavator, flatwork contractor, or landscaper in mind, this horizontal-only rotary features a wide dual-slope range of 8°. One of our easiest to operate and quickest leveling rotaries, you'll be up and running in no time with the 40-6541 laser.
40-6541 Includes > Laser, NiMH rechargeable battery pack and charger, remote control with 9V battery, detector with clamp and 9V battery, tripod, 13' grade rod, magnetic target, tinted glasses, and hard-shell carrying case
Specifications
Leveling Method: | Automatic (Electronic) |
---|---|
Laser Wavelength: | 635nm±10nm |
Laser Classification: | Class Illa |
Maximum Power Output: | ≤5mW |
Accuracy: | ±1/16"/100' |
Interior Range: | Up to 200' diameter |
Exterior Range: | Up to 2,000' diameter with detector |
Remote Range: | Up to 200' diameter with remote |
Self-Leveling Range: | ±5° |
Slope: | +8° |
Power Supply: | NiMH rechargeable battery pack and charger (included), 4 "C" alkaline batteries (not included) |
Battery Life: | 28 hours NiMH; 33 hours alkaline batteries |
Working Temperature: | 14°F-113°F |
Rotation Speeds: | 800 RPM |
IP Protection Class: | 66 |
Warranty: | 3 Years |
Application
High-accuracy horizontal work including excavation, flatwork, landscaping, masonry, and form, post, and footing heights. Indoors use for drop ceilings, beams, and more!
Support
Johnson Level Rapid Response Center for Repair and Service
Contact customer service at service@johnsonlevel.com or call 888-953-8357 from M-F 7am-5pm CT.
Rotary Laser Level Instruction Manuals
Replacement Parts
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