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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