TREA

Measuring arrangements involving comparison with a reference value

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Industry

  • CPC
  • G01R17/00
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Parent Industries

GPHYSICS G01Measuring instruments G01RMEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES

Current Industry

G01R17/00Measuring arrangements involving comparison with a reference value

Sub Industries

G01R17/02Arrangements in which the value to be measured is automatically compared with a reference value G01R17/04in which the reference value is continuously or periodically swept over the range of values to be measured G01R17/06Automatic balancing arrangements G01R17/08in which a force or torque representing the measured value is balanced by a force or torque representing the reference value G01R17/10ac or dc measuring bridges G01R17/105for measuring impedance or resistance G01R17/12using comparison of currents G01R17/14with indication of measured value by calibrated null indicator G01R17/16with discharge tubes or semiconductor devices in one or more arms of the bridge G01R17/18with more than four branches G01R17/20ac or dc potentiometric measuring arrangements G01R17/22with indication of measured value by calibrated null indicator
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