LumaSense provides quality infrared temperature measurement solutions. It is an accepted law of nature that all substances at temperatures above absolute zero emit radiant energy as the result of the atomic and molecular agitation that is associated with the temperature of the substances. The rate of emission per unit area increases with the increase in temperature. Accordingly, the temperature of a substance can be measured by using a device to measure the substance's radiant energy. This method of temperature measurement is known by many names, such as optical pyrometry, optical thermometry, radiation thermometry, or infrared (IR) thermometry. Common Radiation ThermometersMost radiation thermometers measure the radiant flux from the hot object by detecting infrared radiation in the 4 to 20um spectrum. These wavelengths offer significant thermal radiation and therefore make detection of the energy easy with relatively low cost electronic instrumentation. This is well suited for applications that offer wide process windows or do not need highly precise, high speed control. 
Luxtron Radiation Thermometers In contrast, the Luxtron radiation pyrometer measures radiation over a narrow spectrum and at a shorter, near-infrared wavelength (called near-IR or short wavelength pyrometers). This method of detection allows for a more precise and accurate measurements for critical process control. Typical applications include semiconductor processing, crystal growth, advanced material processing, and R&D. Accuracy  - Short wavelengths significantly reduce emissivity errors.
- Precise amplification means less electrical noise, and therefore more precise temperature measurements.
Low-drift electronics and careful temperature compensation means drift free measurements. The PhotriX system offered by Luxtron is specified for 0.15°C or less drift per year.
The PhotriX radiation thermometer is offered in three different series, each with a slightly different spectral sensitivity: - XE Series = 880nm sensitivity (FWHM = 50nm)
- XN Series = 900nm sensitivity (FWHM = 50nm)
- XW Series = 700-1650nm sensitivity
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 RTs allow accurate measurement of objects without contacting them
Benefits - Greater precision, as high as 0.01°C
- Lightpipes - Lens - Fiber optics - Combination of the above
- Capability to use fiber optics as part of the radiation collection optical system
- Speeds up to 1000-Hz
- Compact systems designed for OEMs Greater sensitivity
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