User`s guide

69
System Specifications
Audio Analyzer Specifications
Audio Analyzer Specifications
Frequency measurement
Range: 20 Hz to 400 kHz
Accuracy: ± (0.02% + 1 count + reference accuracy)
External input: 20 mV
rms
to 30 V
rms
Supplemental characteristics
Minimum resolution: f < 10 kHz: 0.01 Hz
f < 100 kHz: 0.1 Hz
f ≥ 100 kHz: 1 Hz
AC voltage measurement
Voltage range: 0 V to 30 V
rms
Accuracy (20 Hz to 15 kHz),
input>1mV
rms
: ± 3% of reading
Residual noise + THD (15 kHz BW): 175 µV
Supplemental characteristics
3 dB bandwidth: 2 Hz to 100 kHz
Input impedance: 1 Mohm, 145 pF at audio in
Minimum resolution: 4 digits for inputs ≥ 100 mV
3 digits for inputs < 100 mV
DC voltage measurement
Voltage range: 100 mV to 42 V
Accuracy: ± (1.0% of reading + DC Offset)
DC offset: ± 45 mV
Supplemental characteristics
Minimum resolution: 1.0 mV