Larson Davis, Inc., A PCB Group Co.

Sound Level Meter measures noise as low as 6.5 dB A-weighted.
Laboratory and Research Supplies and Equipment

Sound Level Meter measures noise as low as 6.5 dB A-weighted.

Suited for outdoor noise monitoring as well as any other application where noise levels down to 6.5 dB A-weighted need to be measured, Model 831-LOWN uses PCB low noise microphone model 378A04. Resulting low-noise system utilizes prepolarized microphone and constant-current ICP® interface. This portable, low-power system doesÂ- not require external power supply and can be used with...

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Noise Monitor is designed for permanent outdoor installation.
Controls & Controllers

Noise Monitor is designed for permanent outdoor installation.

To facilitate outdoor noise monitoring, NoiseTutor NMS043 features wireless (cellular) communication, automatic transfer of data toÂ- server and website, and real-time SMS and email alerts for events. Functionality is powered by embedded, industrial-grade PC, and remote administration and management are facilitated via readily available tools. Uses include community,...

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Vibration Meter offers Wi-Fi connectivity, works with mobile app.
Laboratory and Research Supplies and Equipment

Vibration Meter offers Wi-Fi connectivity, works with mobile app.

Used for industrial hygiene and product testing applications, HVM200 Human Vibration Meter includes functionality needed to measure hand-arm vibration and whole body vibration requirements in support of ACGIH TLVs and directive 2002/44/EC of European Parliament. Options are provided for 1/1 and 1/3 octave filters (0.5–2,000 Hz and 0.4–2,500 Hz respectively) and raw vibration data recording....

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Software

Software Development Kit supports sound level meters.

Supporting application development on Windows® and Linux® platforms, SLM Software Development Kit includes example code for Visual C#®, Visual C++®, HTML 5, and Javascript®. Program supports acoustic engineers and consultants who need to develop custom applications or interface with other systems. ProvidingÂ- single, high level API for full setup, control, and...

Read More »
Sound Level Meters offer enhanced usability via software.
Laboratory and Research Supplies and Equipment

Sound Level Meters offer enhanced usability via software.

Model 831 and LxT support SLM Utility G4 software, which provides usability-optimized interface for sound level meter setup and data analysis. Software promotes work efficiency by supporting simultaneous control of multiple meters and allows consultants/engineers to share setups, download and display data, as well as export to Excel® files via USB or Internet connection. Standard version is...

Read More »
Test & Measurement

Larson Davis Measures Guinness World Record for Crowd Noise at Arrowhead Stadium

Kansas City Chiefs selected the Larson Davis Model 831 Sound Level Meter to measure the Guinness World Record for the loudest crowd noise at an outdoor stadium. Farmington Hills, MI - Larson Davis, a Division of PCB Piezotronics, announces that it supplied noise monitoring equipment to measure crowd noise at the Kansas City Chiefs outdoor stadium. This event took place in week 6 of the 2013 NFL...

Read More »
Laboratory and Research Supplies and Equipment

Noise Monitoring System supports remote communication.

Contained in weatherproof case with sound level meter and onboard computer, Model 831 NoiseTutor acquires real-time acoustic data and monitors noise at remote sites. Semi-permanent/portable solution works with PRM2103-FF outdoor preamplifier and microphone combination which enables remote calibration/functionality checks at 5 frequencies and automatic humidity control using integrated temperature...

Read More »
Communication Systems & Equipment

Outdoor Preamplifier features automatic calibration check.

Suited for remote sound level measurement, Model PRM2103 operates with Model 831 Sound Level Meter, 377B02 microphone, and environmental shroud for portable or permanent outdoor use in wide range of weather conditions. Automatic calibration checks 5 different frequencies simultaneously, enabling detection of any failure. When used with sound level meter, acoustic response can be selected as...

Read More »
Electronic Components & Devices

Audiometric Couplers enable insert earphone testing.

Designed for testing insert earphones and other audio transducers, Model AEC204 occluded-ear simulator includes built-in microphone and is compliant with IEC 60318-4. Models AEC202 and AEC203, compliant with IEC 60318-5, are 2 cmÂ-³ couplers designed to be used with ½ in. and 1 in. microphones, respectively. Using AUDit™ software, users can automatically correct RETSPL measurements...

Read More »
Test & Measurement

Sound Level Meter features French LNE Certification.

Model 831 is certified for conformance to French standard NF EN 61672-1:2003, Class 1, which is 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); and noise material certification measurement (NF U 15 171)....

Read More »
Sound Level Meter measures noise as low as 6.5 dB A-weighted.
Laboratory and Research Supplies and Equipment

Sound Level Meter measures noise as low as 6.5 dB A-weighted.

Suited for outdoor noise monitoring as well as any other application where noise levels down to 6.5 dB A-weighted need to be measured, Model 831-LOWN uses PCB low noise microphone model 378A04. Resulting low-noise system utilizes prepolarized microphone and constant-current ICP® interface. This portable, low-power system doesÂ- not require external power supply and can be used with...

Read More »
Noise Monitor is designed for permanent outdoor installation.
Controls & Controllers

Noise Monitor is designed for permanent outdoor installation.

To facilitate outdoor noise monitoring, NoiseTutor NMS043 features wireless (cellular) communication, automatic transfer of data toÂ- server and website, and real-time SMS and email alerts for events. Functionality is powered by embedded, industrial-grade PC, and remote administration and management are facilitated via readily available tools. Uses include community,...

Read More »
Vibration Meter offers Wi-Fi connectivity, works with mobile app.
Laboratory and Research Supplies and Equipment

Vibration Meter offers Wi-Fi connectivity, works with mobile app.

Used for industrial hygiene and product testing applications, HVM200 Human Vibration Meter includes functionality needed to measure hand-arm vibration and whole body vibration requirements in support of ACGIH TLVs and directive 2002/44/EC of European Parliament. Options are provided for 1/1 and 1/3 octave filters (0.5–2,000 Hz and 0.4–2,500 Hz respectively) and raw vibration data recording....

Read More »
Software

Software Development Kit supports sound level meters.

Supporting application development on Windows® and Linux® platforms, SLM Software Development Kit includes example code for Visual C#®, Visual C++®, HTML 5, and Javascript®. Program supports acoustic engineers and consultants who need to develop custom applications or interface with other systems. ProvidingÂ- single, high level API for full setup, control, and...

Read More »
Sound Level Meters offer enhanced usability via software.
Laboratory and Research Supplies and Equipment

Sound Level Meters offer enhanced usability via software.

Model 831 and LxT support SLM Utility G4 software, which provides usability-optimized interface for sound level meter setup and data analysis. Software promotes work efficiency by supporting simultaneous control of multiple meters and allows consultants/engineers to share setups, download and display data, as well as export to Excel® files via USB or Internet connection. Standard version is...

Read More »
Test & Measurement

Larson Davis Measures Guinness World Record for Crowd Noise at Arrowhead Stadium

Kansas City Chiefs selected the Larson Davis Model 831 Sound Level Meter to measure the Guinness World Record for the loudest crowd noise at an outdoor stadium. Farmington Hills, MI - Larson Davis, a Division of PCB Piezotronics, announces that it supplied noise monitoring equipment to measure crowd noise at the Kansas City Chiefs outdoor stadium. This event took place in week 6 of the 2013 NFL...

Read More »
Laboratory and Research Supplies and Equipment

Noise Monitoring System supports remote communication.

Contained in weatherproof case with sound level meter and onboard computer, Model 831 NoiseTutor acquires real-time acoustic data and monitors noise at remote sites. Semi-permanent/portable solution works with PRM2103-FF outdoor preamplifier and microphone combination which enables remote calibration/functionality checks at 5 frequencies and automatic humidity control using integrated temperature...

Read More »
Communication Systems & Equipment

Outdoor Preamplifier features automatic calibration check.

Suited for remote sound level measurement, Model PRM2103 operates with Model 831 Sound Level Meter, 377B02 microphone, and environmental shroud for portable or permanent outdoor use in wide range of weather conditions. Automatic calibration checks 5 different frequencies simultaneously, enabling detection of any failure. When used with sound level meter, acoustic response can be selected as...

Read More »
Electronic Components & Devices

Audiometric Couplers enable insert earphone testing.

Designed for testing insert earphones and other audio transducers, Model AEC204 occluded-ear simulator includes built-in microphone and is compliant with IEC 60318-4. Models AEC202 and AEC203, compliant with IEC 60318-5, are 2 cmÂ-³ couplers designed to be used with ½ in. and 1 in. microphones, respectively. Using AUDit™ software, users can automatically correct RETSPL measurements...

Read More »
Test & Measurement

Sound Level Meter features French LNE Certification.

Model 831 is certified for conformance to French standard NF EN 61672-1:2003, Class 1, which is 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); and noise material certification measurement (NF U 15 171)....

Read More »

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