Model 831-NMS

  • Features the Model 831 sound level meter
  • Utilizes the 831-INT(-ET) docking station for a compact interface to all accessories
  • Outdoor microphone options including remote sensing and remote calibration
  • Ethernet and cellular communication options
  • Removable data storage devices
  • Weather sensors interface
  • Powered USB hub for communication, weather, and GPS
  • AC, battery, or solar power options
  • Fully supported by the 831 software development kit (SDK) for system integrators and consultants
  • Live audio streaming available
  • Permanent tilt-down poles and heavy duty tripods available
  • Temperature range -40 to 70 C (-40 t0 158 F)
  • Service and maintenance contract options
Docking Station

An Integrated Hardware & Software System with Digital Communication and an Open Interface for Long Term
Noise Monitoring Applications
  • Airport and Traffic Noise Monitoring
  • Industrial, Construction, and Community
    Noise Monitoring
  • Urban or City Noise Monitoring
  • Motorsport Noise Monitoring
  • Environmental Noise Studies
  • 831-INT(-ET)
  • Outdoor Microphones: 426A12, PRM2103-FF
  • EPS2116 Outdoor Protection
  • Weather Sensor: SEN031
  • Outdoor Enclosures
  • Poles and Tripods
  • Calibrator
  • Software