ST-12D Class 1 Integrating SLM

ST-12D complies with the Class 1 IEC 61672-1:2013 standard, designed for occupational noise measurement and research. It features a wide measurement range of 25 to 140 dB and is capable of measuring parameters such as Leq, Lpeak, Lmax, Ln, and more. The ST-12D also supports a spectrum analyzer with optional 1/1 and 1/3 octave band filters, 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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