Advantages
- It is a non-destructive method of checking;
- It prevents sudden breakdown of M & E installations and potential risk of fire or explosion;
- It provides quick results;
- It provides a record which can be used to compare against future scanning
- It is a safe method (does not involve emission of radio waves);
- It forewarns any hidden problems before serious defects occur;
- It monitors whether the deterioration of hidden defects has stabilized or is on-going; and
- It is economical as it gives much saving in the long run especially to the increasing need of the maintenance sector of the building industry.