• BSWA 309

BSWA 309 is a class 2 octave sound level meter.

It has many applications from high quality noise measurement to environmental noise assessment, product quality checking and performing noise reduction evaluation for engineering purposes.


  • Comply with IEC 61672-1:2013, ANSI S1.4-1983 and ANSI S1.43-1997
  • Real-time 1/1 and 1/3 Octave in accordance with IEC61260-1:2014 and ANSI S1.11-2004
  • Linearity range: 25dBA~136dBA (BSWA 309)
  • Single range to cover 123dB/122dB dynamic range
  • Frequency weighting: A/B/C/Z.
  • Time weighting: Fast/Slow/Impulse
  • 3 profile calculation in parallel with different frequency/time weighting. 14 custom defined measurements
  • Calculate SPL, LEQ, Max, Min, Peak, SD, SEL, E
  • LN statistics and time history curve display
  • User define integral period measurement, integral period up to 24hrs
  • High speed ARM core with FPU (Float Point Unit) to achieve wide frequency response, large dynamic range and low noise floor
  • 4G MicroSD card (TF card) mass storage
  • RS-232 remote control port

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BSWA 309

  • Brands BSWA
  • Product Code: BSWA 309
  • Availability: 2-3 Days