To ensure high-precision performance from temperature measurement devices, reliable calibration is required. This can be carried out on site or under laboratory conditions, using primary or reference standard sources. Primary calibration sources are traceable to National Standards via a certified probe installed in the radiation cavity. Reference sources achieve traceability either by comparison with certified thermometers, or through purchasing a calibration certificate.
By AMETEK Land based in Dronfield, UNITED KINGDOM.
Spectral irradiance is the irradiance of a surface per unit frequency or wavelength. spectral irradiance of a wavelength spectrum is measured per watts per square metre per nanometre (W·m−2·nm−1). Spectroradiometers are devices designed to measure the spectral power distribution of a source. From the spectral power distribution, the radiometric, photometric, and colorimetric quantities of light can be determined in order to measure, characterize, and calibrate light sources for various applications. Spectroradiometers typically measures the spectral irradiance and spectral radiance. Spectroradiometers systems work without the need to be connected to a PC. This makes them highly portable while maintaining the accuracy of a spectrometer.
By EKO Instruments Office in Den Haag, NETHERLANDS.
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