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 60 651 type 1 and IEC 60804 type 1.

Dimensions (WxHxD):
75 x 210 x 30 [mm]
75 x 292 x 30 [mm] with microphone/preamplifier

Weight incl. batteries: 410 g


Nor140 Technical Specifications sheet