Bruel & Kjaer Instruments Inc. 2230

Bruel & Kjaer 2230 Sound Level Meter 1624 Octave Filter Set 4155 Microphone

Features

Selectable polarization voltage allows use of almost any microphone in the Bruel & Kjaer range.
RMS and Peak detection in parallel.
73 dB Pulse range; 70 dB RMS Linearity range.
24 to 113 dB (A) measuring range (30 to 133 dB (A) with attenuator) in 7 overlapping sub-ranges.
A, C, Lin. and All-pass weightings.
Extra wide all-pass frequency range allows infrasound and ultrasound measurements.
Facility for connection of Bruel & Kjaer Serial Interface communication port, allowing external control and output of measurement data.