Specifications

Type of instrument
Sound level meter IEC 61672-1, class 1, group X measuring exponential time-weighted levels, integrating-averaging levels and sound exposure levels. If 1/1 octave-band or 1/3 octave-band filters are installed, the instrument complies with IEC 61260 class 1. The instrument also complies with the previous standards IEC 60651 type 1 and IEC 60804 type 1.

The instrument also conforms to a number of national standards such as: DIN 45677 (1997), ANSI S1.4-1983, ANSI S1.4A-1985, Type 1 and ANSI S1.43-1997, Type 1. Bandpass filters conform to ANSI S1.11-2004, class 1.