Larson Davis Announces Certification of Model 831 Sound Level Meter

Model 831 Sound Level Meter receives French LNE Certification for environmental noise measurement.

July 30, 2013, Farmington Hills, MI - Larson Davis - a division of PCB Piezotronics, Inc., announces the certification of 831 sound level meter by LNE, Laboratoire National de métrologie et d'Essais (National Metrology and Testing Laboratory). The pattern approval certificate Nº LNE-25444 rev. 0 dated from 8th of July 2013, confirms the conformance of the 831 sound level meter to the French standard NF EN 61672-1:2003, Class 1, required for:

• Expert measurements, according to French standard NF S 31 010: Acoustics
• Characterization and measurement of environmental noise
• Road infrastructures noise measurement (NF S 31 085)
• Buildings acoustic measurement (NF S 31 057)
• Noise material certification measurement (NF U 15 171)

With its intelligent functionalities, the 831 sound level meter satisfies professionals' demands in environmental noise and building acoustics. Some of the demands include:

• IEC 61672-1:2002, ANSI S1.4, ANSI S1.43 Class 1 integrating sound level meter
• Voice Annotation
• User programmable run modes
• Six user selectable statistics (Ln)
• Threshold exceedance data
• Community Noise Calculations (Lden, CNEL)
• GPS Global Positioning Support
• Back Erase Functionality
• Normalized Spectrum
• User-selectable screen layout and lockable setup protection
• Remote access and field upgradable
• Wide variety of non-proprietary powering options including - 4XAA internal batteries, AC, USB and external batteries

For more information on Larson Davis products, visit: www.larsondavis.com
For more information on LNE (Laboratoire National de métrologie et d'Essais) visit: www.lne.eu

About Larson Davis
Larson Davis offers a full line of Noise and Vibration measurement instrumentation; including Type 1 sound level meters, personal noise dosimeters, octave band, audiometric calibration systems, microphones and preamplifiers, hearing conservation software, and Human Vibration Exposure Monitors. Products are used for measurement of building acoustics, community & environmental noise monitoring, as well as supporting various automotive, aerospace and industrial applications. As a division of PCB Piezotronics, Inc., Larson Davis guarantees Total Customer Satisfaction through our outstanding limited warranty; no charge, 24-hour toll-free technical support; global distribution; and worldwide customer service. For more information, please visit www.LarsonDavis.com.
 
PCB Piezotronics Acoustics 
For over 30 years PCB has provided precision microphones and accessories for use in a wide range of acoustic test and measurement applications. Leveraging state-of-the-art equipment and facilities, a dedicated team of Acoustic, Mechanical, Electrical Engineers and PhDs have built an extensive portfolio of products including modern prepolarized and traditional externally polarized condenser, array, probe, low-profile surface, and special purpose microphones.  PCB's Acoustic Team participates in both the Acoustical Society of America (ASA) and IEC Standards Board and is a Vendor Liaison to Penn State's Center for Acoustics and Vibration.  PCB is accredited by the American Association for Laboratory Accreditation (A2LA) and a signatory to the International Laboratory Accreditation Cooperation (ILAC) Mutual Recognition Arrangement (MRA).
 
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