In literature from ancient Rome there are complaints of foul air, while in 1273 the inhabitants of London were discussing the prohibition of coal burning to improve air quality. However, the measurement and analysis of aerosols only became established in the second half of the 19th century. In 1847 presented the first concept of particles in the air in his condensation nuclei experiment and his ideas were confirmed in later experiments by Coulier in 1875.
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The optical detector records the intensity of the light that reaches it as a function of its wavelength.
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For the investigation of liquid flows conductivity wire-mesh sensorswere firstly developed. They determine the local conductivity of a liquid in the cross-section of an investigation volume.
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Electron spectrometers may determine electron energy based on, retarding potential (effectively a ), resonant collision or curvature in a deflecting field (magnetic or electric). The in the solution of motion in a magnetic or electric system with rotational symmetry leads to radial focusing onto a mean radius.
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The H2D is a high-end hydrogen mass spectrometer to support the development of fuel cells (FC) and H2 internal combustion engines (ICE). With these sensors, accurate H2 quantification is only possible if the residual gas matrix is known, since other gases also influence the thermal conductivity. Q-S121 H2 Gas Analyser, a flow-through system enabling precise measurements of H2 gas in the range of 0-100 ppm. If your requirements extend beyond this range, customisation options are available. Ensuring accurate measurement throughout production, transportation, and storage is of utmost significance to guarantee efficiency and reliability across. The H2-IND is a cost effective, long life H2 gas detector, based on GVZ Components MLD gas detector, with MPS technology inside, that reduces maintenance needs and allows the customer to have highly reliable product with the latest technology.
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