SoundAdvisor™ Long-Term Noise Monitoring System

Permanent, Unattended Noise Monitoring | Model NMS045

NMS045 long-term permanent outdoor noise monitoring systemThe SoundAdvisor Permanent Noise Monitoring System Model NMS045 is available in a variety of configurations to meet your long-term monitoring needs. Model NMS045 shares many of the same benefits as  Portable Noise Monitoring System Model NMS044, from 24/7 connectivity to continuous power capabilities, designed to simplify your testing. Now, the key elements of the portable system are available in a permanent setup, encased in a fiberglass enclosure mounted to a permanently placed pole. When you need to monitor the same location long-term, the NMS045 is the right choice for you.

Measurements Simplified

  • Rugged Reliability – an environmental protected enclosure and durable mounting options create an easy-to-maintain solution for your permanent monitoring
  • Installation Simplicity – a range of installation options coupled with a low power design allows you to run your system with a battery charged via a solar panel or through an AC main
  • Flexible Placement – when AC power isn’t available or is costly to run, remote deployment is simplified with solar powered options
  • Connectivity is Key – 4G cellular, WiFi, or wired networks allow you to control your meter and view your data from anywhere


  • Permanent Airport Noise Monitoring – NMS045 allows airports to meet their requirements for long-term noise monitoring, delivering a broad scope of measurement data continuously
  • Long-Term Construction Noise Monitoring – When construction will be a long-term project, NMS045 is a permanent monitoring solution offering durability and protection against vandalism and damage, so your measurements can continue, uninterrupted
  • Permanent City Noise Monitoring – Whether you are monitoring near a bridge, busy street, factory, or nightclub, NMS045 helps you continuously measure noise levels, providing the data to create a more pleasant and ordinance-compliant community
Configurable Options
PowerSolar or AC
Battery1 or 2 batteries (12 V) can be either
  • 45 Ah LiFePo (BAT019-045)
  • 35 Ah SLA (BAT020-045)
MountingTilt-down pole (TR019), wooden pole, or wall
Communication4G LTE gateway, Ethernet, or WiFi
Weather SensorOptional wind or full meteorological sensor


Noise Monitoring System Options

Larson Davis offers both handheld and portable outdoor systems utilizing the same core technology as the Model NMS045. Click below to learn more: