Many reference amounts vortex street mass flow meter based on HART agreement
The utility model discloses a many reference amounts vortex street mass flow meter based on HART agreement, including the vortex street table body, piezoelectric sensor, pressure sensor, temperature sensor and casing, be provided with signal processing unit in the casing, signal processing unit incl...
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| Hauptverfasser: | , , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a many reference amounts vortex street mass flow meter based on HART agreement, including the vortex street table body, piezoelectric sensor, pressure sensor, temperature sensor and casing, be provided with signal processing unit in the casing, signal processing unit includes the programme -controlled charge amplifier who connects gradually with piezoelectric sensor, programme -controlled high pass filter, two -stage programmable amplifier, programme -controlled low pass filter, programme -controlled narrow ripples wave filter, programme -controlled trigger and main control unit, programme -controlled low pass filter, programme -controlled narrow ripples wave filter, temperature sensor and pressure sensor's output still is connected with the input of main control unit respectively, the output of main control unit is still continuous with the input of programme -controlled charge amplifier, programme -controlled high pass filter, two -stage programmable amplifier, programme -control |
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