| A thermographic camera is popularly known as FLIR | | | | resistance, current and voltage, the values are |
| or Forward Looking InfraRed. This camera that | | | | compared to the sensor's operating temperature. |
| creates images using infrared radiation. The common | | | | Once the sensors are stabilized to an operating |
| camera is different from the thermographic camera in | | | | temperature, image noise can be reduced. Uncooled |
| the sense that it uses visible light to create an image. | | | | infrared cameras are not cooled to a lower |
| Thermographic cameras use infrared radiation that has | | | | temperature and hence the use of expensive |
| a longer wavelength compared to visible light. | | | | cryogenic coolers can be ruled out. The resolution and |
| Thermographic cameras are capable of detecting | | | | quality of the images produced by these cameras are |
| objects in complete darkness. When you see the | | | | in no comparison to those produced by thermographic |
| images produced by a thermographic camera, you will | | | | cameras with cooled detectors. |
| find that they are monochromatic; this is due to the | | | | Where are thermographic cameras used? |
| fact that these cameras use a sensor that is | | | | Thermographic cameras are widely used by |
| responsive to a single range of infrared radiation | | | | engineers, manufacturers, ranchers, contractors, in |
| wavelength. | | | | medical fields and in maintenance departments. |
| Two kinds of thermographic cameras | | | | Originally, thermographic cameras were developed for |
| If you are interested in buying thermographic cameras , | | | | military use in the time of the Korean War. Since then, |
| you will have to choose between two types of | | | | these cameras have found use in various other fields |
| cameras available. You can buy thermographic | | | | in the world of medicine, industry and in commercial |
| cameras with cooled infrared image detectors or | | | | establishments. |
| thermographic cameras with uncooled infrared image | | | | Adoption of infrared viewing technology has |
| detectors. | | | | experienced a rise with the dropping of prices. The |
| 1. Cooled infrared image detector cameras have | | | | versatility of these cameras are being increased |
| detectors containing a vacuum-sealed case or flask. | | | | continuously by thermographers through the use of |
| They are highly sensitive cameras due to the fact that | | | | sophisticated software interfaces and advanced |
| their own temperatures are low in comparison to the | | | | optics. |
| objects they detect. There is however a disadvantage | | | | Buying the best thermographic camera |
| in using these cameras as they require some time to | | | | When you are buying a thermographic camera , |
| cool prior to start functioning again. Another drawback | | | | remember to find out the lifespan of the sensor. Other |
| of the cooled infrared image detectors is that | | | | factors to consider are the number of pixels, field of |
| maintaining them could be expensive. | | | | view, spectral band and dynamic range. |
| 2. Uncooled infrared image detector cameras make | | | | Thermographic cameras can be used in a wide range |
| use of a sensor which functions in ambient | | | | of applications, so make the most of it. |
| temperature. After measuring the changes in | | | | |