This product is a resistive polymer humidity sensor (SJL16ASW), with high humidity resistance, fast response, small moisture hysteresis, stable and reliable performance, consistency, good interchangeability, product characteristics are compatible with the industry's mainstream humidity sensor.
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Various radiometric temperature measurement methods can only measure the corresponding photometric temperature, radiation temperature or colorimetric temperature. Only the temperature measured for a black body (an object that absorbs all radiation and does not reflect light) is the true temperature. To determine the true temperature of an object, a correction of the emissivity of the material surface must be performed. The surface emissivity of a material depends not only on temperature and wavelength, but also on surface state, coating film, and microstructure, so it is difficult to measure accurately. In automated production, it is often necessary to use radiation temperature measurement to measure or control the surface temperature of certain objects, such as steel strip rolling temperature in metallurgy, roll temperature, forging temperature and the temperature of various molten metals in smelting furnaces or crucibles. In these specific cases, the measurement of the emissivity of the surface of the object is quite difficult. For automatic measurement and control of solid surface temperature, additional mirrors can be used to form a blackbody cavity with the measured surface. The influence of additional radiation can increase the effective radiation and effective emission coefficient of the measured surface. The effective emission coefficient is used to correct the measured temperature accordingly through the instrument, and the true temperature of the measured surface can finally be obtained. The most typical additional mirror is a hemispheric mirror. The diffuse radiation of the measured surface near the center of the ball can be reflected back to the surface by the hemispherical mirror to form additional radiation, which increases the effective emissivity formula ε where the emissivity of the material surface and ρ is the reflectivity of the mirror. For radiometric measurement of the true temperature of gaseous and liquid media, the method of inserting a heat-resistant material tube to a certain depth can be used to form a blackbody cavity. The effective emission coefficient of the cylinder cavity after reaching thermal equilibrium with the medium is calculated by calculating. In automatic measurement and control, this value can be used to correct the measured cavity bottom temperature (i.e. medium temperature) to obtain the true temperature of the medium.
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1. Product description This product uses infrared receiving technology and environmental compensation algorithm to realize the measurement of human body temperature or object temperature, and uses distance sensors to compensate for temperature to achieve more accurate measurement. When in use, simply aim the detection window at the measured position to quickly and accurately measure the temperature of a person or object. This product has the characteristics of wide measuring range, high precision, easy to use, easy to install and cost-effective.
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I. Product Description TIR-T0-D2-A-L1400 is a high-performance remote non-contact infrared temperature transmitter, beautiful and small appearance, threaded bracket structure design, simple connection, easy installation, with fast response, accurate temperature measurement, non-contact measurement and other characteristics, super stability and anti-interference ability, product protection performance, widely used in industry, power and other applications that require high temperature monitoring.
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