Liquid level sensor using two fiber bundles

Samian, A. H. Zaidan, Sujito, M. Yasin, M. Pujiyati, Supadi

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


The two-tier detection of liquid level using two fiber bundles as sensor has been successfully demonstrated. Each fiber bundle is paired with a reflector displacement device (RDD) to detect liquid level in accordance with its detection area. Based on displacement sensor, the working principle of system is by utilizing hydrostatic pressure to shift the reflector attached to the membrane. Detection of liquid level is done through changes of reflected light intensity from the reflector that goes into each sensor probe. The results show that the sensor can be applied to the front slope or back slope area. Working area and resolution of sensors working on the front slope area are 0–130 cm and 1 cm, meanwhile for the back slope area are 0–50 cm and 0.1 cm.

Original languageEnglish
Pages (from-to)552-558
Number of pages7
JournalSensors and Actuators, A: Physical
Publication statusPublished - 1 Sept 2018


  • Back slope
  • Fiber bundled probe
  • Front slope
  • Hydrostatic pressure
  • Liquid level sensor


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