What is the range in thermography testing?
What is the range in thermography testing?
The technique uses thermographic cameras to detect radiation in the long-infrared range of the electromagnetic spectrum (around 9,000–14,000 nanometers or 9–14 µm) and produces images of this thermal radiation, known as thermograms.
What is thermographic analysis?
Thermogravimetric analysis or thermal gravimetric analysis (TGA) is a method of thermal analysis in which the mass of a sample is measured over time as the temperature changes.
What are the applications of thermography test?
There is a wide range of applications in military, industrial, civil engineering and medical fields [1], [2]. It can be used to investigate a very broad range of situations where variation in surface temperature may indicate a problem in or a particular property of the material(s) below the surface.
What is thermographic in non destructive testing?
Thermography is a non-destructive testing method used to detect and measure small temperature differences to help find deterioration in assets and plant sites. An infrared camera can measure the thermal energy and map the temperature differences of the object. …
What do thermal colors mean?
In any thermogram, the brighter colors (red, orange, and yellow) indicate warmer temperatures (more heat and infrared radiation emitted) while the purples and dark blue/black indicate cooler temperatures (less heat and infrared radiation emitted). In this image, the bright yellow area indicates the electrical fault.
What is thermographic in non-destructive testing?
What can you do with a thermal imager?
Thermal imaging is used to check heating, ventilation and air conditioning (HVAC) equipment. This includes the coils and compressors on refrigeration and air conditioning systems. It can also help review the heat flows and heat sources within a building.
What is thermographic Behaviour?
Thermography uses the distribution of surface temperature in order to assess the structural damage or behavior of what lies under the surface (see NDT Techniques: Thermographic). Active thermography measures the temperature of the object as it is (without any external stimulus) to locate the damage.
What is thermography in electrical maintenance?
Thermography is a method of inspecting electrical and mechanical equipment by obtaining heat distribution pictures. This inspection method is based on the fact that most components in a system show an increase in temperature when malfunctioning. The inspection tool used by Thermographers is the Thermal Imager.
What is the hottest color in thermal imaging?
blue
The coloring of the warmest areas is blue. In contrast to the fire modes, the dynamic range is limited to a maximum of 80 °C, which results in a very high contrast.
How do thermographers measure the temperature of an object?
In order to get a more accurate temperature measurement, a thermographer may apply a standard material of known, high emissivity to the surface of the object.
How many people can a thermographic camera detect?
Temperature detection of up to 20 people simultaneously. Temperature detection alarm function. Thermographic cameras resolution 400 × 300 pixels, fixed for installation on a wall, ceiling or tripod for the measurement of body temperature. Built-in temperature detection algorithm.
How do thermographic products work?
Thermographic products are triggered by temperature or UV light and use the unique characteristics of liquid crystal and other thermochromic inks to provide distinctive and striking promotion and premium items that engage audiences with interactive color change. LCR Hallcrest Thermochromic Inks change color in response to changes in temperature.
What is the resolution of therthermographic cameras?
Thermographic cameras resolution 400 × 300 pixels, fixed for installation on a wall, ceiling or tripod for the measurement of body temperature. Built-in temperature detection algorithm.