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    • Organisation Chart
    • SI Units Realisation
    • National Measurement System
      • International Participation
  • Research & Development
    • Collaborations
      • Natural gas transmission pipeline leakage detection (Collaborators – SP Powergrid & NUS)
      • Real-time Monitoring and Characterization of Particle Count and Indoor Environmental Quality with Integrated Low-cost Sensors (Collaborator – BCA)
      • Traceable Characterisation of Internal Surface Roughness
      • Dimensional Measurement of Internal Features of Additive Manufacturing Parts
    • Laboratories
      • Acoustics and Vibration
      • Chemical
      • Mass & Force
      • Pressure & Flow
      • Temperature and Humidity
      • Electrical
      • Length and Dimensional
      • Optical Radiation
      • Time & Frequency
      • RF & Microwave
  • Service & Consultancy
    • Calibration & Measurement
    • Measurement Skills Training Courses
    • Proficiency Testing
    • Technical Assessments
  • World Metrology Day 2026
  • News & Articles
    • Media Highlights
    • Research Spotlight
    • Accolades
    • Events
  • Contact Us
    • Students
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    Going Underwater with Acoustic Measurement

    05 Nov 2018
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    NMC presented a paper on Underwater Calibration of Hydrophones at the IMEKO World Congress 2018

    Low-frequency hydrophones is widely used for underwater acoustic detection and measurement for oceanic monitoring, oil and gas exploration, and sub-sea communications. NMC scientist, Dr David Khoo, presented his research works in Low-Frequency Calibration of Hydrophone using Vibrating Colum Method at the XXII World Congress of the International Measurement Confederation (IMEKO), which was held in Belfast, Northern Ireland, UK, from 3 to 6 September 2018 with the theme of “Knowledge through Measurement”. The international event is held every three years, with participants from the industry, national metrology institutes and academia congregate to discuss the latest issues and developments in measurement and instrumentation.

    Dr David Khoo at IMEKO 2018
    NMC scientist, Dr David Khoo, presented a paper on underwater calibration of hydrophones at the IMEKO World Congress