Rohde & Schwarz UPL02-B1 Audio Analyzer

Measuring range: 10 Hz - 110 kHz
Inherent distortion:
THD =  -122 dB = 0,00008 % at 1 kHz
IMD = -103 dB = 0,00071%
DFD = -132 dB = 0,000025 %

Data sheet as PDF 719 kB
Manual part 1 as PDF 3262 kB
Manual part 2 as PDF 1899 kB
THD internal oscillator + analyzer = -122 dB = 0,00008 % at 1kHz
(With option B1 - Low distortion oscillator)
Same as above but values for each harmonic
IMD internal oscillator + analyzer = -103 dB = 0,00071%
DFD internal oscillator + analyzer = -132 dB = 0,000025 %