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专利名称：Measuring instrument, and method for
testing the measuring operation of ameasuring instrument
发明人：Helmut Brockhaus申请号：US10006501申请日：20011203公开号：US065612B2公开日：20030520
专利附图：
摘要：A measuring instrument, especially a flowmeter, whose measuring operationconsists in the quantification of an output value as a function of an input value. According
to the invention, the input value can be varied, the output value corresponding to a giveninput value can be measured, and a malfunction of the measuring operation of themeasuring instrument can be detected on the basis of a deviation, beyond an establishedthreshold value, of the output values measured at different input values, from the outputvalue expected as a function of the relationship between the input value and the outputvalue. The measuring instrument thus permits reliable and simple determination of amalfunction in the measuring operation by virtue of a self-test.
申请人：KROHNE MESSTECHNIK GMBH & CO. KG
代理机构：Cesari & McKenna, LLP
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