Contact NAPT staff to purchase this Sound Level Meter/Octave Filter Set $700.00 (comes with protective travel case)
The Bruel & Kjaer 1625 portable Octave Filter Set is primarily intended for use with Sound Level Meter Type 2230
The Precision Integrating Sound Level Meter Type 2230 complies with the IEC 804 Type 1 and IEC 651 Type 1 I and ANSI Sl.4.1971 Type 1 standards.
The 1625 permits third-octave frequency analysis, and octave frequency analysis with a step of octave or third-octave.