| Today's construction laser levels are great tools to use | | | | grade pole to reference the height difference between |
| for setting and checking elevations. The use of a laser | | | | the laser and the grade pole. This elevation difference |
| level can greatly cut job site layout costs. | | | | is commonly referred to as the height of the |
| Laser Level Basics | | | | instrument or HI. |
| A typical laser level consists of the laser level, tripod , | | | | Single Slope and Dual Slope Lasers |
| grade pole, charger and a laser receiver. The laser | | | | Construction laser levels can be classified as dual |
| level is a rotating prism that projects a infrared laser | | | | slope or single slope lasers. Single slope and dual slope |
| beam over a distance by spinning rapidly. A infrared | | | | laser levels allow the operator to adjust the slope of |
| receiver receives the infrared light transmitted by the | | | | the laser beam. The slope of the laser beam can be |
| laser level. The receiver is mounted on a grade pole | | | | adjusted to positive or negative slopes. Sloping lasers |
| that has measurements in feet and tenths. The | | | | allow for easy layout of embankment slopes, roadway |
| operator adjusts the grade pole height until the | | | | vertical slopes, utilities and more. |
| receiver is level with the laser beam being emitted | | | | Laser Level Manufacturers |
| from the laser level. Most laser level receivers emit a | | | | Laser levels are manufactured by a number of |
| audible tone when the receiver is level with the laser | | | | different companies. The two most popular companies |
| beam. The operator than reads the numbers on the | | | | are Spectra-Precision and Topcon. |