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The MASStrol utilizes the pressure and temperature signals as an entry point to its internally held steam tables, the density of the steam is then computed. The signal from the Vortex meter, which is proportional to volumetric steam flow, is then multiplied by the density in order to yield the mass flow of steam. The MASStrol can be programmed to calculate the heat of steam utilizing the same inputs. The MASStrol provides displays of mass flow, heat flow, mass total, heat total, pressure, temperature, specific volume and specific enthalpy. Pulse, mA, relay and RS232 outputs are provided as well as a 24 vdc 100 mA power supply for powering all process transmitters.
See application notes 20 and 21 for an explanation of the equations relevant to this application. |
Note:
All documents and software are subject to change without notice and
are to be considered "uncontrolled documents". Consult with factory
for most current release. |
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