ST-12D

The ST-12D complies with the IEC 61672-1:2013 Class 1 standard, designed for professional noise measurement and research. It offers a wide measurement range of 25 to 140 dB and can measure parameters such as Leq, Lpeak, Lmax, Ln, and others. The ST-12D also supports a spectrum analyzer with optional octave band filters (1/1 and 1/3), enabling real-time frequency analysis for precise noise assessments.

Applicable Standards
  • ANSI/ASA S1.4/Part 1/IEC 61672-1

    Electroacoustics – Sound Level Meters – Part 1: Specifications (a nationally adopted international standard)

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