Measurement Abbreviations and Acronyms

1. HTG
   Hydrostatic Tank Gauging
2. HVM
   Human Vibration Meter
3. HZ
   cycles per second (hertz)
4. IAC
   International Avogadno Coordination
5. IARC
   Izaña Atmospheric Research Centre
6. IEKF
   Iterated Extended Kalman Filter
7. IFPUG
   International Function Points Usew Group
8. IGC
   Inverse Gas Chromatography
9. IL
   Instrumentation Lab
10. ILA
    Intelligent Laser Applications
11. ILS
    Instrument Line Shape
12. IM
    Interferometric Method
13. IN
    Inch
14. INS
    Inertial Navigation Sensor
15. IQ
    Imbalance, Quadrature
16. IQ
    Imbalance and Quadrature
17. IQE
    Internal Quantum Efficiency
18. IS
    Integrating Sphere
19. ISE
    Ion-Selective Electrode
20. ISLM
    Integrating Sound Level Meter

Last updated: May 6, 2025 — Total entries: 614