clinometer [klə′näm·əd·ər]
Clinometer
(engineering)
A hand-held surveying device for measuring vertical angles; consists of a sighting tube surmounted by a graduated vertical arc with an attached level bubble; used in meteorology to measure cloud height at night, in conjunction with a ceiling light, and in ordnance for boresighting. Also known as Abney level.
A device for measuring the amount of roll aboard ship.
clinometer
An instrument for measuring vertical angles.
Clinometer
a very simple geodetic instrument that is used to measure the slope angles of a terrain. A typical clinometer (see Figure 1) consists of a circular metal casing (1) and a sighting tube (2) that is fastened to the casing. The casing contains a graduated disk (3) on a spindle; attached to the disk is a weight that hangs
Figure 1. A clinometer
plumb, keeping the disk in a constant position. Other forms of clinometers are also available. The precision with which slope angles are determined by means of a clinometer does not exceed 0°.2.
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