What impacts the calibration of a tank gauge?

There are many factors that can affect the accuracy of a tank gauge. Over time, underground tanks are subjected to large amounts of pressure from the earth under which they are buried, which can cause the tank to become warped or dented, or may result in the tank moving from its original position. Subsidence can also affect calibration, causing data to corrupt.

3D laser scan - tank calibration

ProGauge 3D laser

The 3D Laser Scan Automatic Tank Calibration is our most advanced tank calibration service. This solution uses state-of-the-art technology to accurately determine the exact volume of liquid in fuel tanks, producing a detailed representation of the inside of any underground tank, regardless of the presence of any flammable liquids or vapours. The 3D laser scanner is then able to automatically provide a precise strapping table, which once uploaded to the automatic tank gauge (“ATG”), provides an accurate and comprehensive reconciliation report of the fuel stock on site.


  • Automatic strapping table creation
  • Laser points cloud technology
  • High-speed scanning*
  • Safe ATEX – no need to de-gas the tank
  • Easy to manage and set up
  • Environmentally friendly, with no need to use fuels or other liquids to perform calibration
  • Suitable for use with any underground tank
*In comparison with traditional ‘wet’ scanning methods
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