Pendulums
Pendulums are the most accurate way to measure inclination and horizontal displacement of a large structure such as a dam, shaft or tall building. Pendulum installations can be manufactured either as a direct pendulum or as an inverted pendulum, for which the wire is fixed at its upper or lower end respectively. Readings can be taken at multiple levels along the wire and can be measured manually or automatically with the use of advanced position measurement sensors.
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