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JOHNSON LEVEL

Johnson Level & Tool Mfg. Co., Inc., founded in 1947 in Mequon, Wisconsin, USA, is a manufacturer of precision measuring and leveling instruments for construction, industrial, and engineering applications. The company’s product line includes spirit levels (torpedo, I-beam, box, bullseye), combination squares, drywall T-squares, aluminum rulers, plumb bobs, laser distance meters, and tripods. These tools are designed for dimensional verification, alignment, and layout tasks in fields such as building construction, metal fabrication, HVAC installation, and machinery setup. Johnson Level products are characterized by their adherence to standard measurement systems (inch or metric), use of materials such as anodized aluminum, stainless steel, cast zinc, and acrylic, and features like rare-earth magnets, V-grooves, and etched or printed graduations. Vial sensitivity is specified in arc minutes (e.g., 30 arc min for bullseye levels), and laser distance meters offer accuracy ratings such as ±0.0781 in at 85 ft. The company also produces accessories like folding elevating tripods with 5/8"-11 mounting threads for laser levels. 3G Electric stocks a range of Johnson Level tools, including plumb bobs (steel, brass-plated, 16 oz), combination squares (12-inch blade, stainless steel, cast zinc body), drywall T-squares (48-inch blade, anodized aluminum), aluminum rulers (2 ft, black anodized, beveled edge), magnetic torpedo levels (9-inch, acrylic body, aluminum frame), bullseye levels (nonmagnetic, plastic/acrylic, 1 7/16 in diameter), laser distance meters (red laser, AAA battery, feet display), and adjustable tripods (4–10 ft, aluminum, flat head). These products are available for global procurement through 3G Electric’s catalog, with specifications provided for material, graduation type, measurement range, and mounting features. The selection supports engineers and maintenance professionals requiring repeatable accuracy for leveling, squaring, and distance measurement in industrial environments.

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About JOHNSON LEVEL

Johnson Level & Tool Mfg. Co., Inc., founded in 1947 in Mequon, Wisconsin, USA, is a manufacturer of precision measuring and leveling instruments for construction, industrial, and engineering applications. The company’s product line includes spirit levels (torpedo, I-beam, box, bullseye), combination squares, drywall T-squares, aluminum rulers, plumb bobs, laser distance meters, and tripods. These tools are designed for dimensional verification, alignment, and layout tasks in fields such as building construction, metal fabrication, HVAC installation, and machinery setup. Johnson Level products are characterized by their adherence to standard measurement systems (inch or metric), use of materials such as anodized aluminum, stainless steel, cast zinc, and acrylic, and features like rare-earth magnets, V-grooves, and etched or printed graduations. Vial sensitivity is specified in arc minutes (e.g., 30 arc min for bullseye levels), and laser distance meters offer accuracy ratings such as ±0.0781 in at 85 ft. The company also produces accessories like folding elevating tripods with 5/8"-11 mounting threads for laser levels. 3G Electric stocks a range of Johnson Level tools, including plumb bobs (steel, brass-plated, 16 oz), combination squares (12-inch blade, stainless steel, cast zinc body), drywall T-squares (48-inch blade, anodized aluminum), aluminum rulers (2 ft, black anodized, beveled edge), magnetic torpedo levels (9-inch, acrylic body, aluminum frame), bullseye levels (nonmagnetic, plastic/acrylic, 1 7/16 in diameter), laser distance meters (red laser, AAA battery, feet display), and adjustable tripods (4–10 ft, aluminum, flat head). These products are available for global procurement through 3G Electric’s catalog, with specifications provided for material, graduation type, measurement range, and mounting features. The selection supports engineers and maintenance professionals requiring repeatable accuracy for leveling, squaring, and distance measurement in industrial environments.

Common Applications

  • Construction framing – Johnson Level torpedo level (MPN 1411-0900) for checking plumb and level on studs and joists
  • Metal fabrication – Johnson Level combination square (MPN 400) for layout and squaring of sheet metal
  • Drywall installation – Johnson Level drywall T-square (MPN JTS481) for cutting and aligning gypsum boards
  • Machinery alignment – Johnson Level bullseye level (MPN 100) for leveling equipment bases in all directions
  • Distance measurement – Johnson Level laser distance meter (MPN LDM85) for room dimensions in facility layout
  • Surveying and laser setup – Johnson Level elevating tripod (MPN 40-6330) for mounting laser levels on uneven terrain

Frequently asked questions

Common questions about JOHNSON LEVEL from 3G Electric.

What materials are used in Johnson Level combination squares?

Johnson Level combination squares, such as MPN 400, feature a stainless steel blade (12 inches long, 4 3/4 inches wide) and a cast zinc body. The blade has printed graduations in 1/32 inch increments. The scriber is included for marking. These materials provide corrosion resistance and dimensional stability for layout and inspection tasks.

Are Johnson Level torpedo levels magnetic?

Yes, Johnson Level torpedo levels like MPN 1411-0900 include rare-earth magnets for attachment to ferrous surfaces. The 9-inch level has an acrylic body with an aluminum frame, V-grooves for pipe work, and top and side read vials for level, plumb, 45°, and 30° angle measurements. Sensitivity is rated at 1 mm/m.

What is the accuracy of Johnson Level laser distance meters?

The Johnson Level Laser Distance Meter (MPN LDM85) has an accuracy of ±0.0781 inches at 85 feet. It measures distance, area, and volume using a red laser, with results displayed in feet. The device operates on AAA batteries and is intended for indoor use.

What thread size do Johnson Level tripods use for laser level mounting?

Johnson Level adjustable elevating tripods, such as MPN 40-6330, use a 5/8"-11 mounting thread. The tripod is made of aluminum, folds for transport, adjusts from 4 ft to 10 ft, and includes a flat head and carrying strap. It is designed for use with laser levels.

What graduation types are available on Johnson Level aluminum rulers?

Johnson Level aluminum rulers, like the J124 model, feature etched graduations in 1/16 inch and decimal increments. The ruler is 2 ft long, 0.06 in thick, with a black anodized finish and beveled edge. The markings are horizontal and designed for semi-flexible use.

What is the sensitivity of Johnson Level bullseye levels?

Johnson Level bullseye levels, such as MPN 100, have a sensitivity of 30 arc minutes. The nonmagnetic level is made of plastic and acrylic, measures 1 7/16 inches in diameter by 1/4 inch thick, and has a circular flange design. It levels in all directions.