# Agilent E4980 LCR Meter

class pymeasure.instruments.agilent.AgilentE4980(adapter, **kwargs)

  Bases: `Instrument`

  Represents LCR meter E4980A/AL

  property ac_current

    AC current level, in Amps

  property ac_voltage

    AC voltage level, in Volts

  aperture(time=None, averages=1)

    Set and get aperture.

    Parameters:

      - time – integration time as string: SHORT, MED, LONG (case insensitive); if None, get values

      - averages – number of averages, numeric

  freq_sweep(freq_list, return_freq=False)

    Run frequency list sweep using sequential trigger.

    Parameters:

      - freq_list – list of frequencies

      - return_freq – if True, returns the frequencies read from the instrument

    Returns values as configured with `mode`

  property frequency

    AC frequency (range depending on model), in Hertz

  property impedance

    Measured data A and B, according to `mode`

  property mode

    Select quantities to be measured:

    > > - CPD: Parallel capacitance [F] and dissipation factor [number]

    > > - CPQ: Parallel capacitance [F] and quality factor [number]

    > > - CPG: Parallel capacitance [F] and parallel conductance [S]

    > > - CPRP: Parallel capacitance [F] and parallel resistance [Ohm]

    > > - CSD: Series capacitance [F] and dissipation factor [number]

    > > - CSQ: Series capacitance [F] and quality factor [number]

    > > - CSRS: Series capacitance [F] and series resistance [Ohm]

    > - LPD: Parallel inductance [H] and dissipation factor [number]

    > - LPQ: Parallel inductance [H] and quality factor [number]

    > - LPG: Parallel inductance [H] and parallel conductance [S]

    > - LPRP: Parallel inductance [H] and parallel resistance [Ohm]

    > > - LSD: Series inductance [H] and dissipation factor [number]

    > > - LSQ: Seriesinductance [H] and quality factor [number]

    > > - LSRS: Series inductance [H] and series resistance [Ohm]

    > > - RX: Resitance [Ohm] and reactance [Ohm]

    > > - ZTD: Impedance, magnitude [Ohm] and phase [deg]

    > > - ZTR: Impedance, magnitude [Ohm] and phase [rad]

    > > - GB: Conductance [S] and susceptance [S]

    > > - YTD: Admittance, magnitude [Ohm] and phase [deg]

    > > - YTR: Admittance magnitude [Ohm] and phase [rad]

  property trigger_source
    Select trigger source; accept the values:

      - HOLD: manual

      - INT: internal

      - BUS: external bus (GPIB/LAN/USB)

      - EXT: external connector