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Johnson Level & Tool Mfg. Products

Johnson Dot Laser Levels


>> Dot Laser Applications    

The Dot Laser Level line is your best choice when you want to find a level point, or points at 90 degrees between a wall, the floor and the ceiling.

Electricians use this laser level for accurate placement of  lighting fixtures. Carpenters use this Laser Lever for layout of interior walls and beams.

Most of these dot laser levels are self leveling, so you get an accurate measurement instantly, even on uneven ground. Johnson Dot laser levels are easy to see because of the concentrated beam for all indoor construction applications.

Johnson dot laser levels are available in three-beam, and five-beam dot laser level models to meet the needs of every construction application.

Common uses for a dot laser level are setting foundations and footings, alignment of concrete forms, and layout of interior walls, electrical wiring & outlets, plumbing pipes, cabinets, countertops and MUCH more.

Dot Laser Level Comparison Chart:


Johnson Self-Leveling 3-Dot Laser Level 40-6646

Johnson Self-Leveling 5-Dot Laser Level 40-6680 rotates 360° when attached to magnetic laser mount

Johnson Electronic Self-Leveling Pipe Laser 40-6690

Johnson 3-Beam Magnetic Torpedo Dot Laser Level 40-6184

Number of Beams





Leveling Method


Self-Leveling (Pendulum)



Laser Wavelength

650nm +/-10nm

650nm +/-10nm

635nm +/-10nm

650nm +/-10nm

Laser Classification

Class II

Class IIIa

Class IIIa

Class IIIa

Max Power Output








(+/-5mm/100m; +/-10 arc sec)


Interior Range

Up to 100ft. (30m) depending on light conditions

Up to 200ft. (60m) depending on light conditions


Self-Leveling Range

+/-5 degrees

+/-4.5 degrees

+/-5 degrees


Power Supply

2 "AA" alkaline

3 "AA" alkaline batteries

NiMH rechargeable battery pack, 6.4V battery adaptor, 12V car charger or 4 "D" batteries

3 "AA" alkaline

Battery Life

Approx. 20 hrs w/ alkaline batteries

Approx. 20 hrs w/ alkaline batteries


Approx. 50 hrs w/
alkaline batteries

Dimensions (approx)

3.6" x 2.6" x 4.5"

3.2" x 3.9" x 4.0"

5.2" x 15"

9.5" x 2.2" x 1"


9.9 oz


13.2 lbs

1.653 lbs

Working Temperature

32F to 104F

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

-4F to 122F
(-20C to 50C)

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

Center Screw Thread


5/8"-11, 1/4"-20



IP Protection Class



68 Nitrogen Purged



2 Years

3 Years

3 Years

3 Years


Tripods, Laser Mounts and Grade Rods
Tripods, Laser Mounts and Grade Rods

Dot Lasers:
Laser PlumbBob
Laser Plumbob

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

Tools for Electricians


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