Infrared transducer-transmitter for non-contact temperature measurement
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United States of America Patent
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-
Jul 9, 1985
Grant Date -
N/A
app pub date -
Mar 4, 1982
filing date -
Mar 4, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A two-wire transducer-transmitter for non-contact temperature measurement provides, in a unitary housing, a radiation sensing device producing a signal in response to sensed infrared or visible radiation, and electronic circuitry for processing the signal to provide at a two-wire output a current linerarly proportional to the sensed target temperature, on the same two wires as input power preferably in the range of from 4 to 20 milliamperes D.C. full scale.
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