ANALOG PRESSURE-MEASURING INSTRUMENT Russian patent published in 1994 - IPC

FIELD: instrumentation engineering. SUBSTANCE: analog pressure- measuring instrument comprising pressure and temperature sensor comprising pressure transducer with normal analog output, temperature transducer with normal analog output; first analog-to-digital converter input of which is connected to pressure transducer output; second analog- to-digital converter input of which is connected to temperature transducer output, correcting circuit array corresponding inputs of which are connected to the first and the second analog-digital converter outputs further has digital-analog converter connected to the correcting circuit array outputs, analog filter the output of which is the system output and analog adder, with the inputs of the adder connected, correspondingly, to the outputs of pressure transducer and digital-analog converter and its outputs being connected to the analog filter input. EFFECT: increased measurement precision. 3 dwg