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Using a 26X Automatic Level Model #40-6926 (optical instrument / transit level) to install and align a rail system for a movable, high-tech steel cutting tool. The project includes the use of a grade rod to sight the rail system's height and a heavy duty tripod to hold the transit at a steady an...

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Although the spirit level or bubble level is relatively new considering the history of man, the concept of level and plumb, or a tool that levels, has been around for ages. Ancient Egypt Ancient Egypt was one of the first civilizations to have solved many problems of construction as evidenced by t...

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How to Calculate Distance Using Laser Distance Measure How to Calibrate a Laser Distance Measure How to Use a Laser Distance Measure View all laser distance measures from Johnson Level. Accurate Measuring: Fast & Easy With a simple 1-2-3 measuring system (Point-Press-Done), the Jo...

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Magnetic Pulley (Sheave) Alignment Defined All Johnson pulley (sheave) alignment systems are accurate enough to exceed belt manufactures' recommendations for drive belt alignment. This includes Standard V, Synchronous, Polyflex® and Micro-V® belts that should be aligned within ¼°...

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Construction & Building Contractors See how contractors buidling homes and offices use rotary laser levels, line laser levels, dot laser levels, torpedo laser levels and optical levels. Application Rotary Laser Levels Line Laser Levels Dot Laser Levels Torpedo Laser...

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Electricians See how electricians can use rotary laser levels, line laser levels, dot laser levels and torpedo laser levels for electrical jobs.  Since optical levels are used to level over long distances, generally, they will not be used by an electrician, indoors. Application R...

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Homeowners & Decorators See how homeowners and decorators use rotary laser levels, line laser levels, dot laser levels and torpedo laser levels.  Since optical levels are mainly used in leveling over longer distances, optical levels are not commonly used by homeowners indoors. App...

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Finish Carpenters See how finish carpenters use rotary laser levels, line laser levels, dot laser levels and torpedo laser levels.  Since optical levels are used for leveling over longer distances, finish carpenters will not find a need for them indoors. Application Rotary Laser ...

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Deck Builders See how contractors who build decks use rotary laser levels, line laser levels, dot laser levels and torpedo laser levels. Application Rotary Laser Levels Line Laser Levels Dot Laser Levels Torpedo Laser Levels Optical Laser Levels Level Floo...

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Other End-Users Below are some examples of other professionals, such as road builders, masons and farmers who use rotary laser levels, line laser levels, dot laser levels, torpedo laser levels and optical levels. Application Rotary Laser Levels Line Laser Levels Dot Laser Le...

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Pre-Construction Contractors See how contractors who do site preparation and pre-construction work for a new building or home use rotary laser levels, line laser levels, dot laser levels, torpedo laser levels and optical levels. Application Rotary Laser Levels Line Laser Levels ...

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Excerpt From:  THE WORKING TOOLS OF THE CRAFT, CHAPTER V, MASONIC ESSAYS (1998), W.M. DON FALCONER, THE CRAFT As a working tool of an operative mason, the level is used to set all required points to the same level on a construction site. From this is derived its symbolic interpretation, which ...

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Excerpt From:  THE WORKING TOOLS OF THE CRAFT, CHAPTER V, MASONIC ESSAYS (1998), W.M. DON FALCONER, THE CRAFT Plumb lines and plumb rules are implements used to determine a vertical plane, often called plummets in the scriptures. Each depends upon a line from which a heavy plumb bob is suspend...

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Excerpt From:  THE WORKING TOOLS OF THE CRAFT, CHAPTER V, MASONIC ESSAYS (1998), W.M. DON FALCONER, THE CRAFT The three types of square used by operative masons were the square gauge, the trysquare and the gallows square. The square gauge is an enclosed square of the required inside dimensions...

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This article will help you determine if an outdoor rotary laser level is the right choice for your needs. Rotary lasers levels project a beam of light 360° allowing the user to establish a horizontal or vertical plane.   Common End User Applications   1. Construction Contractor...

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This article will help you select a rotary laser level for indoor use. Rotary lasers levels project a beam of light 360° allowing the user to establish a horizontal or vertical plane. Common End User Applications   1. Construction Contractors Layout of interior walls 2. Contractors...

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How to Choose a Rotary Laser Level View all rotary laser levels from Johnson Level. Consult our how-to guide on how to calibrate and use rotary laser levels. This article will help you determine whether or not an indoor or outdoor rotary laser level is a best fit for your needs. Rotary l...

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This article will help you determine if a dot laser level fits your needs. Dot lasers levels, also known as plumb laser levels, project laser dots either vertically, horizontally or at right angles allowing the user to establish plumb lines or right angles. Common End User Applications   ...

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This article will help you determine if an indoor line laser level will fit your needs. Line Lasers project lines either vertical, horizontal or vertically and horizontally simultaneously.  All line laser levels are self-leveling and higher quality line laser levels will have a locking compensa...

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This article will help you better understand laser distance measuring. For jobs where you could use a tape measure, a laser distance measurer can be faster and just as accurate. Press a button to read and record all measurements accurate + 1/6" up to 165 ft. Models Recommended for Indoor Use LDM85...

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How to Use an Automatic Optical Level Shop all optical levels from Johnson Level. This article will help you choose an optical instrument, commonly referred to as a transit level, builder's levels and automatic levels. Transits are used to establish grades & elevations as well as...

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Digital and Electronic Level How To's How to Choose Digital Electronic Level How to Use Digital Electronic Level How to Calibrate an Electronic Level View all Digital and Electronic Levels from Johnson Level. This article will help you choose between digital and electronic levels. S...

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Choosing the laser levels for your project can be easy if you answer the following questions. Question 1: What kind of work is the laser level going to be used for? Make sure to have a clear definition in mind. Are you building decks or house foundations? Is the work indoors, outdoors, or may...

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How to Use a Line Laser Level How to Use a Self Leveling Laser Level View all line laser levels from Johnson Level. Today, the three most common types of laser levels are Rotary Laser Levels, Laser Line Levels (or Line Generators) and Dot Laser Levels (or Multi-Point Lasers). This article foc...

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Today, the three most common types of laser levels are Rotary Laser Levels, Line Laser Levels (or Line Generators) and Dot Laser Levels (or Multi-Point Lasers). This article focuses on Line Laser Levels and practical applications of use indoors and outdoors. Interior Applications An easy example t...

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Today, the three most common types of laser levels are Rotary Laser Levels, Line Laser Levels (or Line Generators) and Dot Laser Levels (or Multi-Point Lasers). This article focuses on the technical specifications of Dot Laser Levels. Dot Laser Level Output Dot Laser Levels project two, three or f...

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Today, the three most common types of laser levels are Rotary Laser Levels, Line Laser Levels (or Line Generators) and Dot Laser Levels (or Plumb or Multi-Point Laser Levels). This article focuses on Dot Laser Levels, indoor and outdoor leveling applications on the construction job site or in the ho...

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  A wood level is specific type of spirit level. It can be made either of a solid piece of wood, like birch or mahogany, or can be a slow growth lumber laminate, which means several pieces of wood strips are pressed and glued together.  Laminates are much stronger than solid blo...

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Rafter Angle Square How To's How to Read a Rafter Angle Square How to Use a Rafter Angle Square How to Use a Rafter Angle Square for Roof Pitch How to Use a Rafter Angle Square for Rafters How to Cut Rafters with a Rafter Angle Square View all construction squares from Johnson Level....

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A sliding T-bevel is an instrument that is used for both laying out and transferring angles. These tools are pivotal for many different kinds of construction jobs, especially for those in which the ideal 90° angles are not possible. With the sliding T-bevel, one is able to conform his/her projec...

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Typically, I-beam levels have vials that are snapped into the frame. If the this type of level vial needs replacing, it can be done easily and with the same accuracy as when the level was new by simply removing the old vial and replacing it with a new one. For I-beam levels, this procedure will ge...

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Proper handling and storage are required to maintain the quality of wood levels. The following suggestions will help keep your wood level in top condition. KEEP YOUR WOOD LEVEL CLEAN Cement contains chemicals that can break down the layers of lacquer that were originally applied to the level. Be s...

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How to Use a Combination Square How to Use a Combination Square for Angles View all combination squares from Johnson Level. Parts of a Combination Square What is a Combination Square? A combination square is a multi-use measuring instrument which is primarily used for e...

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How to Set Up a Rotary Laser Level How to Calibrate a Rotary Laser Level How to Use a Rotary Laser Level Today, the three most common types of laser levels are Rotary Laser Levels, Line Laser Levels (Line Generators) and Dot Laser Levels (Multi-Point Lasers). This article focuses on Rotary La...

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IMPORTANT: make sure that the working edges of the level and the surface you are using are completely free of any foreign material or debris. Testing Bubble Level Accuracy For Level Vials: Place the level on a flat horizontal surface Note the position of the bubble and mark the position of the ...

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Even though the beam coming out of a laser level has only a small amount of power, it is concentrated enough to harm your eyes. Anyone using a laser level should follow the below precautions: NEVER stare into a laser beam. If you are wearing tinted lenses to increase the laser beam’s inten...

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Q: Where can I get my Johnson laser level serviced when it is out of warranty? A: Please click the link for Service Centers under Support in the main menu for a complete list of Authorized Non-Warranty Repair Centers. Q: Does the Johnson Level & Tool limited warranty apply to items purchased o...

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ACCURACY The tolerance of the laser beam at a certain distance from the tool (i.e. ± ¼" per 100'). This indicates how far the beam may deviate from 'perfect' measurement. APERTURE The location from which laser light is emitted from the laser tool. AUTO-LEVELING A method where...

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QuestionsQ1: What are the three most common laser level types?(a) Rotary Laser; (b) Line Laser; (c) Power Laser; (d) Dot Laser; (e) Cordless LaserQ2: True or FalseRotary laser levels project a beam of light 360° allowing the user to establish a horizontal or vertical plane?Q3: True or FalseRotar...

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ROTARY LASERS Electronic Self-Leveling 40-6580 (coming soon)40-6540/6545 (GreenBrite®) PDF40-6522 PDF40-6537 PDF40-6535 PDF40-6530 PDF40-6580 (Dual-Grade) PDF   Self-Leveling 40-6543 (GreenBrite®) PDF40-6532/40-6527 PDF40-6515/40-6516/40-6517 PDF Manual Levelin...

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How to Use a String Line Level How to Use a Line Level for Pavers How to Use a Line Level to Level Ground Shop all string line levels and other special purpose levels from Johnson Level. Line levels (or "string" levels) are a special brand of spirit level used for leveling across longer...

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