Is Johnson a good laser level?
It lets one person handle alignment, leveling, and layout duties—all using just this laser. Johnson Level also gave it durability, with an IP54 rating that can withstand significant amounts of both dust and water. Accuracy is pretty good.
How do you calibrate Johnson Smart level?
Press and hold the CAL/REF key for 3-plus seconds, unit will beep once. When the LCD shows -0-, the digital level has entered the calibration mode. 2. Place the digital level on the horizontal reference surface, as shown in figure 5, after 10 seconds, press the CAL/REF again, and the LCD shows -1-.
How accurate is a Johnson level?
+/- 1/16 of an inch
On top of that, it’s lighting quick, thanks to a fast on-board processor that delivers results faster than just about any other similarly-priced laser distance measure we’ve used. Accuracy is also an astounding +/- 1/16 of an inch – even out at long distances.
How do you calibrate Johnson laser level?
Level the laser and adjust the height so it hits the mark you made on the far wall. Walk over to the initial near wall and measure the difference between the first mark and laser line. If the difference is less than or equal to your level’s specified accuracy, your unit is calibrated correctly.
What is a rotary laser level used for?
A rotary laser level is used in a variety of construction projects. It shoots a 360-degree horizontal or vertical beam around a room. It can even be used in outdoor applications with a laser detector and grade rod for the purpose of digging down or building up.
Are Topcon lasers good?
Topcon RL-H5A Horizontal Self Leveling Rotary Laser It has automatic self-leveling plus manual slope capability, and it’s widely recognized in independent reviews as the best laser level for grading and drainage work. Despite sturdy construction and handles designed for gloved hands, this is a high-precision tool.
Are digital levels more accurate?
A digital level isn’t more precise or accurate, but it’s easier to read and use. The digital display is simple and easy to read, and let’s you know exactly how level you are and which way you need to move in inches or millimeters.
Do Johnson levels have lifetime warranty?
Johnson Level warrants this product against defects in material and workmanship for life. The company will replace or repair the product if it fails under normal use. Bent level frames void warranty.
Which is better red or green laser level?
If you work mostly indoors, want to see the laser more clearly, and don’t want to move the laser around as much, a green laser level will almost certainly outperform a red laser level.
How do you use a Johnson laser level?
View all Laser Levels from Johnson Level….How to Use a Laser Level Outdoors
- Put on the tinted glasses/goggles that came with your laser level kit.
- Place the laser level on a tripod and turn it on.
- Aim the laser level where you want to take a reading.
- Take the laser receiver to where you want to take a reading.
Who makes Topcon lasers?
Seiko Holding Corporation
Topcon was established as a surveying instruments division of K. Hattori & Company (which is currently called Seiko Holding Corporation), so they can focus on manufacturing optical instruments for the Japanese Army in 1932.
Where are Topcon lasers made?
The series is covered by the five-year guarantee on Topcon manufactured lasers. For more information, visit topconpositioning.com. Topcon Positioning Group is headquartered in Livermore, California, U.S. (topconpositioning.com). Its European head office is in Capelle a/d IJssel, the Netherlands.
How accurate are digital levels?
Although less accurate than a quality laser level, a quality digital level, which measures slope, has an accuracy of plus or minus 0.1 degrees when measuring horizontal and when a laser beam is attached, the accuracy can be plus or minus 1/4 inch (0.25 inches) per 100 feet; over 4 times more accurate than a spirit …