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Bruel and Kjaer 2250/2270 environmental noise monitors in custom environmental cases capable of the following:

  • Simultaneous dBA, dBC, 1/3-Octave Logging
  • Simultaneous Digital Audio recordings
  • Remote access/control via 3G modems 
  • Daily status notifications
  • Long term up to several years if required

Noise monitorings are typically accompanied by portable meteorological stations capable of:

  • Wind speed and direction
  • Temperature, Relative Humidity, Pressure, Rainfall
  • Remote access/control via 3G modems

 

Environmental Noise and Weather Monitor at Coal Power Plant
Environmental Noise and Weather Monitor at Coal Power Plant

Bruel and Kjaer 2250/2270 Type 1 Sound Level Meter
Bruel and Kjaer 2250/2270 Type 1 Sound Level Meter

Bruel and Kjaer 2250/2270 sound level meters capable of the following:

  • Simultaneous dBA, dBC, 1/3-Octave measurements
  • Simultaneous Digital Audio recordings
  • Real time frequency analysis
  • Building Acoustic measurements such as STC/IIC/RT
  • Sound Power Level measurements per ISO 9614

 


Specialized computer software for assessing noise including: 

  • CADNA/A environmental noise modeling software
  • EASE architectural modeling software
  • Custom noise monitoring data analysis software
  • AutoCAD
  • Matlab
CADNA/A Noise Model of Large Industrial Facility
CADNA/A Noise Model of Large Industrial Facility

Loudspeaker and Tapping Machine Used for Architectural Testing
Loudspeaker and Tapping Machine Used for Architectural Testing

Testing services for architectural projects including sound transmission from space to space and noise control within spaces utilizing the following:

  • Bruel and Kjaer Type 1 (2250/2270) sound level meters
  • Calibrated noise sources
  • Norsonic Tapping machine
  • Commercial and custom analysis software

Measurements conducted include:

  • STC Testing in accordance with ASTM E336 / E90
  • IIC Testing in accordance with ASTM E1007
  • Reverberation Time Testing

Vibration measurements and impact assessments for transrporation, industrial, and architectural projects using the following:

  • SVAN 958 Vibration Monitor
  • PCB Uni-Axial and Tri-Axial Accelerometers
  • Bruel and Kjaer Type 1 (2250/2270) sound level meters wiith vibration measurement software
  • Broadband, 1/3-Octave, FFT
  • Commercial and custom analysis software

Measurements conducted include ISO 4866, ISO 2631-1,2 ISO 10811-1,2, US DOT, FCM/RAC Guidelines

Vibration Monitor in Laboratory Building With Sensitive Equipment
Vibration Monitor in Laboratory Building With Sensitive Equipment