Keithley 2015 Series: THD and Audio Analysis Multimeter
Our audio analyzing multimeters combine audio band quality measurements and analysis with a broad purpose 6½-digit DMM—all in one half-rack instrument. They can measure total harmonic distortion (THD) over the complete 20Hz to 20kHz audio band and can compute THD+Noise and signal-to-noise plus distortion (SINAD). The 2015‑P and 2016-P directly identify peak values of the frequency spectrum. The 2016 and 2016-P have twice the sine wave generator output of the 2015 for applications that require test signals greater than 8Vrms.

Keithley 2015 Series: THD and Audio Analysis Multimeter
Overview
Model
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Features
- Frequency domain analysis in conventional time domain instruments
- Dual output audio band sine wave source
- Fast frequency sweeps
- Up to 64 harmonic magnitudes can be included in the distortion measurement
- 5 standard audio shaping filters
- 13 DMM functions (6½ digits)