• EEVblog #731 – Keithley DMM7510 7.5 Digit Multimeter Teardown


    Inside the new Keithley DMM7510 7.5 Digit Bench Multimeter
    What gives this unit it’s superb 14ppm/1year accuracy specification?
    What construction techniques have they used?
    How and why are Fluke so heavily involved?
    What considerations are given to the power supply and isolation aspects?
    How does it compare with the cheaper Keysight 34770A meter?

    Forum HERE

    The Precision Thin Film Resistor Network video

    Datasheets:
    LTC1050
    ISL28110
    LSK389 Ultra low noise matched JFET
    SSM2212 Dual matched transistor
    DG411 Precision analog switch
    TPS65251 Triple Switcher
    Freescale MPC5125 Processor

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