Duban DB30-6228LEQ Integrating sound level meter

The DB30-6228LEQ is a 1-stage integrated sound level meter compliant with GB/T 3785, IEC 61672-2002 and JJG 188-2017 standards. Widely suitable for industrial environment and environment noise measurement, it can measure exponential time weighted sound level, time average sound level, sound exposure and cumulative percentage sound level.