Brüel & Kjær 2113 Instructions And Applications

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Audio Frequency Spectrometer
Type 2113
A precision instrument for 1/3 and
1/ 1 Octave analysis of sound ,
vibration or voltage over the 25 Hz
to 20 kHz range which with optional
filters can be extended to cover
the 2 Hz to 160 kHz range. Linear,
A, 8 , C and D networks are included.
With a 8 & K microphone the
Spectrometer conforms to
international standards for precision
and impulse sound level meters.