THERMOGRAPHY

• The basic principle of the thermal inspection involves the measurement or mapping of surface temperatures when heat flows from, to, or through a test object. Temperature differentials on a surface, or changes in surface temperature with time, are related to heat flow patterns and can be used to detect flaws or to determine the heat transfer characteristics of a test body.
• Use equipment such as pressure vessels, columns, heat exchangers, boilers, heaters, gas turbines, cryogenic equipment, piping and/or any other insulated (hot/cold) equipment. It may also be used on electrical equipment such as bus bars to detect localized hot spots.
• When hot/cold spots are detected, further investigation to identify the cause of the local temperature increase or decrease, as well as the extent of possible incurred damaged, is necessary, using appropriate inspection tools and procedures.