Question about Garden
If I understand which unit this is, it's not sold as a highly accurate instrument (advertised use is for hanging pictures). No numeric specifications were given for it's accuracy. And I don't think it is adjustable. Also, by using the level on each wall progressively you might be accumulating error manually.
You can easily measure the accuracy of your laser level by taking it to a room with one long wall (the bathroom is too small) Hold the laser against the wall at the left end of the room and make a mark nearby. Have a helper make a mark on the wall at the most distant point possible (at the right end of the room) Now put the laser near the mark your helper made at the height aligned with his mark. Now, back at the left end of the room have your helper measure the vertical distance between the laser beam and your first mark. This will measure double the level's error over the length of the wall. However, this test assumes that the beam coming out of the left side and the right side are perfectly co-linear. .
Posted on Aug 06, 2010
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Posted on Jan 02, 2017
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