TSP #59 - Keithley DMM7510 7.5-Digit Multimeter Review, Teardown & Experiments
In this episode Shahriar takes a detailed look at the new Keithley DMM7510 7.5-Digit Multimeter. Boasting Keithley’s touchscreen GUI interface, 100mV, 1-Ohm and 10uA ranges makes this multimeter a precision instrument for a variety of applications. The multimeter is also capable of 1MS/s digitization functionality.
The teardown of the unit reveals the complex multi-board construction and analog board design intricacies. After a brief performance verification and GUI overview the multimeter is used in several experiments including measuring the conductivity of a flame, digitizing a large dynamic range multi-tone signal and DC-DC converter noise analysis. Furthermore, the scripting capability of the unit is employed to estimate the location of a short in an Ethernet cable and measure the dielectric constant of a parallel plate capacitor.
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