Inclination measurement in process transmitters
First Claim
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1. A process transmitter for measuring a process variable, the process transmitter comprising:
- a process sensor for sensing the process variable of a process;
an inclination sensor for sensing orientation of the process transmitter; and
transmitter circuitry for producing an output based on the sensed process variable and the sensed orientation.
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Abstract
A process control system includes a process sensor, an inclination sensor and transmitter circuitry. The process sensor senses the process variable of a process fluid and the inclination sensor senses the orientation of the transmitter. The transmitter circuitry produces an output based on the sensed process variable and the sensed orientation.
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Citations
30 Claims
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1. A process transmitter for measuring a process variable, the process transmitter comprising:
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a process sensor for sensing the process variable of a process; an inclination sensor for sensing orientation of the process transmitter; and transmitter circuitry for producing an output based on the sensed process variable and the sensed orientation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A pressure transmitter for measuring a pressure of a process, the pressure transmitter comprising:
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a inclination sensor for producing an inclination signal based on orientation of the pressure transmitter; a pressure sensor for producing a pressure signal based on the process; a hydraulic fill fluid for conveying the pressure to the pressure sensor, wherein the fill fluid produces a head effect on the pressure sensor; and transmitter circuitry for calibrating the head effect influence on the pressure signal utilizing the inclination signal. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A method for adjusting an output of a process transmitter, the method comprising:
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sensing a process variable of a process with a process sensor to produce a sensor signal; measuring a change in orientation of the process transmitter to produce an orientation signal; and producing an adjusted transmitter output based on the sensor signal and the orientation signal. - View Dependent Claims (26, 27, 28, 29, 30)
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Specification