Integrating sound level meters

Noise level: 20 dB - 134 dB

... First-class professional Class I, Class II sound level meter • Ideal for measurements for workplaces outdoor, e.g. at airports, on building sites, in road traffic etc. with wide frequency access ...

Noise level: 30 dB - 130 dB

... This unit confirms to the IEC61672-1 class 2 Max & min measurements Over and under range display A & C weighting Fast & slow response Analog AC/DC outputs for connection to frequency analyzer or X-Y shaft recorder (AC=1Vrms, DC=10mV/dB) ...