Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom

GPHYSICS G01Measuring instruments G01RMEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES

G01R27/00Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom

G01R27/02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom G01R27/025Measuring very high resistances, e.g. isolation resistances G01R27/04in circuits having distributed constants G01R27/06Measuring reflection coefficients Measuring standing-wave ratio G01R27/08Measuring resistance by measuring both voltage and current G01R27/10using two-coil or crossed-coil instruments forming quotient G01R27/12using hand generators G01R27/14Measuring resistance by measuring current or voltage obtained from a reference source G01R27/16Measuring impedance of element or network through which a current is passing from another source G01R27/18Measuring resistance to earth G01R27/20Measuring earth resistance Measuring contact resistance G01R27/205Measuring contact resistance of connections G01R27/22Measuring resistance of fluids G01R27/26Measuring inductance or capacitance Measuring quality factor G01R27/2605Measuring capacitance G01R27/2611Measuring inductance G01R27/2617Measuring dielectric properties G01R27/2623Measuring-systems or electronic circuits G01R27/2629Bridge circuits G01R27/2635Sample holders, electrodes or excitation arrangements G01R27/2641of plate type G01R27/2647of coaxial or concentric type G01R27/2652open-ended type G01R27/2658Cavities, resonators, free space arrangements, reflexion or interference arrangements G01R27/2664Transmission line, wave guide (closed or open-ended) or strip - or microstrip line arrangements G01R27/267Coils or antennae arrangements G01R27/2676Probes G01R27/2682using optical methods or electron beams G01R27/2688Measuring quality factor or dielectric loss G01R27/2694Measuring dielectric loss G01R27/28Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks G01R27/30with provision for recording characteristics G01R27/32in circuits having distributed constants