发明名称 |
Field device with self-testing of a piezoelectric transducer |
摘要 |
<p>An industrial process field device having a piezoelectric transducer performs self-testing of the condition of the piezoelectric transducer during a self-test mode. A charging current is supplied to the piezoelectric transducer, and voltage on the piezoelectric transducer as a result of the charging current is monitored. A diagnostic test result indicating condition of the piezoelectric transducer is produced based on the magnitude of the voltage.</p> |
申请公布号 |
AU2012366764(A1) |
申请公布日期 |
2014.08.07 |
申请号 |
AU20120366764 |
申请日期 |
2012.05.28 |
申请人 |
ROSEMOUNT INC. |
发明人 |
ARUNACHALAM, JAWAHAR;KASTURI, UDAYASHANKAR BANGALORE |
分类号 |
G01L27/00;G01D3/08;G01D21/00 |
主分类号 |
G01L27/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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