The thermal mass flow meter is consideredas one of the new types of mass flow meters. It has a small group of miniaturem...
In-line type thermal mass flow meter provides direct mass or standard volumetric flow measurement for gas or air. In-lin...
Digital Thermal mass flow meters are vital gas or air flow measurement instruments and these are also known as immersible mass flow meters and thermal dispersion flow meter that comprise of instrument family for measuring total flow of mass of fluid, primarily through the closed conduits. These flow sensors employ the principle of thermal dispersion whereby the heat rate that gets absorbed through the flow of liquid in duct or pipe remains directly proportional with mass flow. With conventional thermal meter, the gas flowing on heat source also absorbs heat by cooling source down.
With the increase in flow, a lot of heat gets absorbed by gas or air. With the dissipated heat amount, heat source remains proportional to gas flow with thermal properties. Thus, heat transfer measurement would also supply data through which the rate of mass flow easily gets calculated.
These gas mass flow meter sensors have been designed for accurately measuring and monitoring the mass flow (opposed to measurement of the volumetric flow) of the gases or air, parameter that isn't dependent on temperature.
Therefore, mass flow thermal flow meter doesn't require correction for the changes present in the gas temperature, the viscosity, pressure along with density.
The mass flow meter is ideal for a lot of processes that require measurement of mass flow and most frequently get used for regulating low flow of gas.
A few common applications of gas flow with thermal flow meters are:
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