What is a direct measurement ?
A direct measurement is one where the operator positions the measuring device at one end of the object being measured and points the red laser dot to the other end of the object to obtain a measurement. Direct measurements are commonly used indoors to determine the width of a room. The user holds the base of the device against a wall, and aims to laser dot at the wall across the room. Direct measurements are very accurate. WIth the use of the addition and subtraction keys, and creative selection of targets, most objects can be measured using the direct method. For situations where it is difficult to use the direct method, some laser distance meters have an indirect measurement, or triangulation feature.