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What's New

GRAS AL0030 Acoustic Test Box

GRAS AL0030 Acoustic Test Box

  • Mini Anechoic Chamber
  • Blocks External Noise
  • Convenient Drawer Access
  • Well Suited for Handset, Tablets, and Small Devices
  • Internal Fixtures for Speaker and Microphones


GRAS Microphone Demo Campaign

Demo CampaignG.R.A.S. Sound and Vibration is pleased to announce a new demonstration campaign. Try out the world’s best measurement microphones and be in the running to win a Jabra Pulse Wireless Earphones.

More Information

Svantek SV 102A+ Dual Channel Dosemeter

Svantek SV102A+ Dual Channel Dosemeter

  • Simultaneous Binaural Measurements
  • Class 1 Sound Level Meter
  • In-ear or External Measurements
  • Optional 1/1 and 1/3 Octave Analysis


Add Vibration to HART Network


Use your existing HART automation network to monitor vibration.  Connect multiple Wilcoxon PCH420 accelerometers to your network and select what parameters to watch.  

More about the sensors.

See the system in action at the Reliability 2.0 Exhibition in Las Vegas April 11-15.

More Consistent and Realistic Measurements

GRAS kb500X pinnaeThe GRAS pinna has been improved to provide more realistic and consistent measurements of in-ear, supra-aural, and circumaural devices. They are compatible with KEMAR and 43AG Ear & Cheek Simulators.

Read a White Paper explaining the technology.

Come see the new pinna at the Audiology Now! Exhibition in Phoenix on April 13-15.

Environmental Test Chambers by Russells

Russells Environmental Chambers

  • Reach-in Chambers
  • Altitude, Humidity, Temperature
  • Portable Conditioning Units
  • Walk-in and Drive-in Sizes
  • AGREE Chambers
  • Industrial Freezers
  • Thermal Shock
  • Controllers


PCH420 HART Vibration Transmitter

Wilcoxon PCH420V HART Transmitter

  • Standard 4-20 mA Output plus HART Signal
  • 3 Adjustable Filter Bands
  • RMS, Peak, True Peak Detection
  • Field Programmable


ACAM 100 Beamforming System

acam 100 beamforming system

  • Beamforming for <$9K
  • Low Cost Digital MEMS Mics Combined with Industry's Best Algorithm by Optinav
  • Single Cable (USB) PC Connection
  • Simple To Use


Olive Tree Lab - Terrain

Olive Tree Lab Terraing

  • Outdoor Sound Propagation
  • Most Modern Wave Based Algorithm for Higher Accuracy
  • Also Supports Traditional ISO 9613-2 Processing
  • Affordable Price
  • Part of OTL Suite


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