发明名称 Multiple calibration ranges stored in a process transmitter
摘要 Process variable transmitters, and method for calibrating such device, are disclosed that support calibrating, within a single transmitter device, multiple operating ranges such that a transmitter can switch from a first calibration correction definition associated with a first calibrated range, to a second calibration correction definition associated with a second calibrated range without having to perform a calibration procedure. Thus, rather than supporting only a single calibration definition, a calibration memory for the process variable transmitter comprises multiple calibration correction definition entries. Each calibration correction definition entry potentially expresses a correction relationship for one of multiple calibrated ranges represented in the calibration memory.
申请公布号 US2004249592(A1) 申请公布日期 2004.12.09
申请号 US20030456430 申请日期 2003.06.06
申请人 INVENSYS SYSTEMS, INC. 发明人 KOUKOL JOHN L.;ALLSTROM PETER E.
分类号 G01F25/00;G06F19/00;(IPC1-7):G06F19/00 主分类号 G01F25/00
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