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Johnson Level & Tool Mfg. Products

Electronic Self-Leveling Horizontal Rotary Laser Level


>> Rotary Laser Guide    >> Rotary-Laser-Applications

The Johnson 40-6535 Electronic Self-Leveling Horizontal Rotary Laser Level is the most popular electronic self-leveling rotary laser due to its 2,000' diameter range and accuracy of 1/16" per 100' versus its cost.

Electronic Self-Leveling Horizontal Rotary Laser Level 40-6535The 40-6535 Rotary laser level with 2,000' diameter range and accuracy of 1/16" per 100' makes it perfect for outdoor construction applications:

  • Excavation
  • Grading
  • Fence installations
  • Landscaping
  • Elevations
  • Concrete forms
  • Driveway paving
  • Machine control
  • Digging footings
  • Digging septic tanks

It comes with a laser detector but you'll want to accessorize with a aluminum grade rod.


  • Rotary Laser Level designed for outdoor use and simple set up
  • Electronic self-leveling horizontal level
  • Electronically-controlled dual slope feature
  • Visual and audible alarms when beyond leveling range
  • Single speed rotation 700 RPMElectronic Self-Leveling Horizontal Rotary Laser Level
  • Slope operation function allows user to perform slope 8° in both x and y axis
  • Height of instrument (HI) alarm function ensures product accuracy
  • 3 Year Warranty
  • Includes:
    • Electronic self-leveling horizontal rotary laser level
    • Ni-MH rechargeable battery pack
    • 6V battery adapter
    • Remote control with 9V battery
    • Laser detector with 9V battery and clamp
    • Instruction manual with warranty card
    • Hard-shell carrying case
Indoor Application for the 40-6535 Rotating Laser Level Outdoor Application for 40-6535 Rotary Laser  
Indoor Application Outdoor Application Watch Video

 40-6535 Rotary Laser Kit  


40-6535 Rotary Laser Specifications:

Leveling Method

Automatic (Electronic)

Laser Wavelength

635nm +/-10nm

Laser Classification

Class IIIa

Maximum Power Output



+/-1/16"/100ft. (+/-1.5mm/30m)

Interior Range

Up to 200' diameter (60m) depending on light conditions

Exterior Range Up to 2000' diameter (600m) with detector
Remote Range Up to 200' diameter (60m) with remote
Slope +/-8 degrees

Auto-Leveling Range

+/-5 degrees

Grade Setting N/A

Power Supply

Rechargeable NiMH battery pack, or 6V adapter (included), 4 "C" alkaline batteries (not included)

Battery Life

Approximately 28 hours with rechargeable battery pack; 33 hours with alkaline batteries


7.4" x 5.9" x 8.15" (188 x 150 x 207mm)


5.51lbs. (2.1kg)

Working Temperature

14F to 113F (-10C to +45C)

Center Screw Thread


Scanning Modes N/A
Rotation Speeds 700 rpm

IP Protection Class



3 Years


Johnson laser levels, spirit levels, construction measuring and marking tools - JobSite Tough Since 1947

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