ST-130 Noise Dose Meter Datalogger Sound Level Meter Data Logging A / C / Z Weighting

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Designed to test noise exposure in accordance with OSHA, MSHA, DOS, ACGIH, and ISO standards. Can also use as sound level meter mode with datalogging feature that can record up to 100K readings which can be downloaded to PC for analysis via built-in USB interface.

Applications: Evaluation of environmental noise, Measurements of noise at workplaces, Assessment of product noise


  • Conforms with CE standard
  • Low battery indicator
  • Auto power off
  • Auto data record function
  • Can set sampling time and auto recording
  • Real time clock
  • Perform OSHA and IEC noise accumulation surveys
  • Six built-in standard dose measurement set-ups: OSHA, MSHA, DOD, ACGIH, ISO85, ISO90
  • One user-defined measurement setup
  • Adjustable criterion level, exchange rate, and threshold
  • Data logger up to 1,000,000 readings 
  • Sampling times between 1sec and 24hr
  • Stores up to 10,000 dose meter survey results
  • A/C/Z Weighting 
  • Fast/Slow/Impulse Weighting
  • Data includes start/stop time, %Dose, TWA8, LEP, 8h, Leq, SEL, LN%, SPLMAX, SPLmin, peakMAX when used in the Dose meter mode. In sound level mode, meter displays sound level, time-averaged sound level(Leq), peakMAX, and sound exposure level (SEL)
  • Compatible with Windows XP / Vista / 7 / 8 / 10
  • Standards:
    • IEC 61252-1993
    • IEC 61672-1-2002
    • ANSI S1,25-1992
    • ANSI S1,4-1983
    • ANSI S1,43-1997


  • Display: 999999 count LCD
  • Display Refresh Rate: 1 Time/sec
  • Microphone: 1/2 inch Electret condenser microphone
  • Measurement Items (NDM): Does%, Lxyp, Lxmax,  Lxmin, Lxeq, SEL(LAE), Peak, LAVG, TWA, LEP, LN%
  • Measurement Items (SLM): Lxyp, Lxeq, SEL(LAE), Peak
  • Measurement Range: 30dB~140dB (A) / 35dB~140dB (C) / 40dB~140dB (Z)
  • Dynamic Range: 60 dB
  • Accuracy: ±1.5dB@94dB 1KHZ
  • Internal memory: MAX Datalogger data 10000(NDM) / 1000000(SLM)
  • Maximum Peak C Weighting Sound Level Measurement: 90~143 dB
  • Time Weighting: Fast, Slow, Impulse, Peak
  • Frequency Weighting: A/C/Z
  • Frequency Range: 20Hz~8KHz
  • Starting Time: <10 Second
  • Power Source: 1 x 9V battery Alkaline
  • Battery Life: 24 hours
  • Dimensions: 113 x 65 x 34mm

Set Includes: 

  • 1 x Noise Dose Meter
  • 1 x CD software and cable
  • English Instruction manual
  • Carrying Case
  • Standard factory packaging

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