Development of Sensor Structure and Operating Circuit for Constant Resistive Type Flow Velocity/Mass Sensor

정저항형 유속/유량 센서의 구조 및 회로 개선 연구

  • Kang, Yun-Seok (Kyungpook National University, Department of Electrical Engineering) ;
  • Park, Se-Kwang (Kyungpook National University, Department of Electrical Engineering)
  • Published : 1994.07.21

Abstract

In this paper, the flow velocity/mass sensor which is based on the principle of CCT(Constant Chip Temperature) and its digital operating circuit and system have been developed and tested. The experimental result for flow velocity shows that the sensitivity is $644.01{\mu}W^2/[m/sec]$ for air, and there is nearly no hysteresis for full measured range of velocity. Response tine is between 1 second and 8 seconds for low and large velocity variation, respectively.

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