The optical inclinometer is a high sensitivity sensor designed for monitoring the slow tilt / inclination of civil and geo structures as an equivalent to traditional vibrating wire electrical sensors. It is designed for mounting on walls or platforms.

The inclinometer consists of two FBG sensing elements embedded in a traditional industrial grade tilt sensor frame with protection for over tilting and shock. This self-temperature-compensated sensor yields excellent wavelength to angle linearity. It can be daisy chained. IP67 protection.

The sensor is designed to make handling and installation fast, easy and intuitive. It delivers the many advantages inherent to all FBG based sensors. The sensor’s specifications listed herein represent the most popular configuration. The manufacturing process for the optical sensor allows for significant variations in sensor construction including other angle ranges, wavelengths, termination by other types of optical connectors, as well as cable availability in custom lengths. The sensors are shipped “mechanically locked” to ensure the sensitive angle measurement mechanism is not damaged during transport and installation. The proven opto-mechanical design of the sensor and the advanced fiber to steel bonding techniques used in producing this sensor yield a simple transducer configuration of high linearity and repeatability. The original design eliminates the high precision alignment and diligent surface prepara-tion of the structures to be monitored that is normally required of other sensors targeting a similar measurement. Optional mounting plate available.

Key Features

  • Excellent linearity.
  • Tilt /inclination angle monitoring.
  • Near zero cross-sensitivity effect.
  • Produced in sizes to serve an expanding spectrum of applications.
  • Long-term monitoring.
  • Easy deployment.
  • Low cost and field proven.
  • Field deployed since 2010.




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