Hazardeous Area Classification & Myths

Hazardous Area Classification is a critical subject in the safety role. Most of the time it is confused with the activity and responsibility. This is a vital element that needs the EHS head's attention to ensure a safe operation in the plant premises. It is very important that both electrical and chemical expertise work together for hazardous area classification and eliminate the risk. Lets us carefully explore different myths and challenges in the Hazardous Area Classification. 1Q.What is the guidance on the classification of hazardous areas? During normal and abnormal operations, electrical and electronic equipment such as motors, generators, fuses, switches, relays, circuit breakers, transformers, solenoids, and resistors produce the amount of heat, arcing, and sparking that causes a fire or explosion in industries, factories, or other locations where chemicals are manufactured, processed, or used. Because of the presence of flammable, ignitable gases, combustible or liquid

What is Infrared Thermography?

Infrared Thermography is a scientific method or a process which senses infrared energy emitted from equipment, converts into temperature and gives the thermal image of the equipment. “Infrared” refers invisible radiant energy. “Thermography” refers to a method of analyzing heat or thermal energy coming out of a body.

Few Important Aspects to note About Infrared Thermography
  • It is invisible since its wavelength is longer than visible light
  • Naturally emitted from an object's temperature is absolute zero(0K) or higher
  • It has a characteristic of heating an object. Therefore, it is sometimes called a "heat wave".
  • It is a kind of light (electromagnetic wave) It can be transmitted through a vacuum
Special Features:

Infrared thermography services are provided by using Infrared thermal imaging cameras. The thermal imaging camera has a special lens which detects infrared light (heat) emitted by all objects. This focused light is scanned by a phased array of infrared detector elements. Temperature distribution image data of infrared thermography consists of a matrix of pixels (number of detectors: for example, 320 horizontal X 240 vertical pixels). Thermal image data can be transferred to PC. Subsequently, the data can be calculated and utilized freely. Thermal image data is colored up pixel by pixel based on temperature.

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