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  • How Do IR Thermometers Work?
    The first thing to understand with IR Thermometers is a bit of how heat works. As an object heats up, its molecules start to vibrate faster, generating heat. IR radiation is emitted whenever an object has a temperature above absolute zero.
  • Non-Dispersive Infrared (NDIR) Gas Detection
    Non-Dispersive Infrared (NDIR) technology utilizes a broadband infrared (IR) emitter, which covers all of the wavelengths of interest for a given set of gases to be measured. Optical Band Pass filters allow that portion of IR wavelengths at which a specific gas absorbs IR energy.
  • Selected Critical Applications for Thermography: Convections in Fluids, Selective Emitters and Highly Reflecting Materials
    emitters, in that they do not emit IR radiation selectively, and that the emissivities do not exhibit wavelength dependence in the thermal infrared spectral region. If these requirements are fulfilled, it is quite easy to analyze the IR images with high accuracy. However, there is a growing number
  • IR Calibration
    All bodies radiate energy to their surroundings proportional to their absolute temperature. Although the emitted radiation of a body includes all wavelengths, the region in which the amount of radiation is significant to industrial temperature measurement extends from 0.3 µm to about 20 µm. From
  • The Ultimate Infrared Handbook for R&D Professionals (.pdf)
    Although infrared radiation (IR) is not detectable by the human eye, an IR camera can convert it to a visual image that depicts thermal variations across an object or scene. IR covers a portion of the electromagnetic spectrum from approximately 900 to 14,000 nanometers (0.9-14 µm). IR is emitted
  • Technical Questions about the Operation of Light in Motion's IR Hermetic Components
    There is no absolute answer to this question. It depends much on the application. In most cases, by pulsing the emitter with a high drive current and using a sensitive photosensor, such as a photodarlington, one can expand the range. The range for detecting an object by reflection can be from 0 mm
  • The Importance of IR Thermography in Building-Science and the Conservation of Energy in the Residential Sector
    and measure temperature variations in your home. All materials on earth emit heat energy in the portion of the energy spectrum, but the human eye cannot see this energy. An infrared camera not only records infrared images but also accurately measures the temperature variations of building materials
  • Design of Fundamental LED Circuits
    The IR LED emitter is commonly continuously powered, forcing a constant DC current through the LED. The LED is connected to the DC supply via current limiting resistor. Equation included in piece.

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