acoustic calibrator / for sound level meters
890-2 series Simpson



  • Measured physical value:


  • Applications:

    for sound level meters

  • Noise level:

    94 dB, 104 dB


Simpson Type 2 sound level systems come in a variety of configurations to meet any noise measurement requirements. Each system is composed of several components designed to work together as one integrated test instrument and output jacks that will supply an AC RMS or DC Volt signal.