publication . Article . 2013

Design and Development of a Pressure Transmitter Using Modified Inductance Measuring Network and Bellow Sensor

Venkata Lakshmi Narayana K.; Bhujanga Rao A.;
Open Access English
  • Published: 01 Mar 2013 Journal: Sensors & Transducers (issn: 2306-8515, eissn: 1726-5479, Copyright policy)
  • Publisher: IFSA Publishing, S.L.
Abstract
In this paper, a pressure transmitter using a modified op-amp based network for inductance measurement using a bellow as sensor has been proposed to measure the pressure and to convert pressure changes in to an electrical current which can be transmitted to a remote indicator. The change in inductance due to change in pressure is measured by an improved modified operational amplifier based network. The proposed network permits offset inductance compensation of sensing coil and also minimizes the stray capacitance between sensing coil and ground using dummy inductor whose value equal to zero level inductance of sensing coil and op-amps with high input impedance. ...
Subjects
free text keywords: Bellow, LabVIEW, Inductance measurement, Differential amplifier, Virtual Instrument, Pressure Transmitter, Linearization, Technology (General), T1-995
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