Field device with measurement accuracy reporting
First Claim
Patent Images
1. A field device comprising:
- a sensor for sensing a process parameter;
a processor for producing a measurement value as a function of the process parameter sensed, and calculating a measurement precision value for the measurement value based upon operating conditions of the field device; and
a communication interface for transmitting a field device measurement output based upon the measurement value and a diagnostic output based upon the measurement precision value.
1 Assignment
0 Petitions
Accused Products
Abstract
A field device includes a sensor for sensing a process parameter, a processor for producing a measurement value as a function of the sensed process parameter, and a communication interface for transmitting an output based upon the measurement value. The processor also calculates a measurement precision value associated with the measurement value.
-
Citations
29 Claims
-
1. A field device comprising:
-
a sensor for sensing a process parameter; a processor for producing a measurement value as a function of the process parameter sensed, and calculating a measurement precision value for the measurement value based upon operating conditions of the field device; and a communication interface for transmitting a field device measurement output based upon the measurement value and a diagnostic output based upon the measurement precision value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
-
-
21. A method of measuring process parameters, the method comprising:
-
sensing a process parameter; producing a measurement value representative of the process parameter sensed; providing a measurement output based upon the measurement value; calculating a measurement precision value based upon stored coefficients and data related to operating conditions of the field device; and providing a measurement precision diagnostic output based upon the measurement precision value. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29)
-
Specification