An inclinometer works to measure vertical and horizontal includes using a taut band mechanism with relatively infinite resolution. This method of measurement is something that people generally learn in trigonometry.
This device works to measure the angles of elevation, slope or depression of an object. This measurement makes these determinations with respect to gravity. They measure positive slopes, or includes, when the person using the instrument looks upward. To measure a negative slope, or a decline, the person using the instrument looks downward. Percent, topo and degrees are the three different units of measurement that people use with this instrument.