Besides the measuring values Wobbe-Index and Air demand, the RHADOX 7300 / 7300 Ex Analyser measures Gas density and Heat value.
The determination of the Gas density is performed according to the method of Bernoulli (1730) who was using the dependency of a laminar gas stream through an orifice. Since temperature and pressure of the sample gas and the air are already levelled in the RHADOX™ mixing chamber, the ratio of the flow of both components in a second mixing chamber is used to measure the Specific Gravity. A reference measurement of ambient pressure and temperature at the location of the RHADOX™ analyser compensates the ambient influence. The result is a precise measurement of the Gas density.
The readings of Wobbe-Index and Gas density allow the calculation of the Heat value.
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