Overview
VIacoustics Basic Sound Level Measurement System is an economical and easy to learn to use system for measurement of A-weighted and proportional octave band sound pressure levels.
The system utilizes a National Instruments CompactDAQ data acquisition device and the Trident software application to provide a basic, computer based, sound pressure level measurement system.
The key difference between our Basic Sound Level Measurement System and a traditional sound level meter is it’s tight integration with your PC and the ability to easily export data to MSExcel spreadsheets for analysis, comparison and reporting. They key benefit over low cost sound level measurement programs that use sound cards for data acquisition is confidence in calibration and compliance with *IEC 61672 sound level meter measurement requirements, necessary for compliance with ISO and ANSI measurement standards quality system requirements like *ISO 9000 and *ISO 17025.
The Basic Sound Level Measurement System is supplied with a single GRAS Sound and Vibration model 40PH array microphone and a GRAS microphone calibrator with traceable calibration data. NI 9250 input modules that plug into the CompactDAQ devices each have (2) microphone inputs. More modules can be added to the system to expand it for multi-channel functionality for Sound Power Level Estimation and Sound Power Level Determination.
The Basic Sound Level Measurement System is a perfect entry level sound level measurement system for measurement of noise emissions of products and equipment in factory, laboratory or field environments. The Basic Sound Level Measurement System hardware is easily transported in a backpack or briefcase along with the host computer that runs the system.
*IEC 61672:2013 Electroacoustics – Sound level meters
Features
Trident’s basic operational mode is the sound level meter mode. In this mode, Trident provides A-weighted and Linear Sound Level readings and, optionally, can provide 1/N octave band levels (1/1, 1/3, 1/6, 1/12 and 1/24 octave). The sound level meter mode provides a free running, exponential averaging real time analyzer operating mode and an Leq averaging measurement mode. Max Hold mode allows for detection of the maximum A-weighted and/or 1/N octave band levels obtained during an acquisition.
Trident’s scalable licensing allows users to purchase only the features they need for their measurement program, making Trident and National Instruments USB hardware an affordable option to a basic sound level meter for applications requiring only Awtd and/or 1/N octave analysis.
Services
VIacoustics turnkey measurement systems are built in a working acoustics laboratory and are fully assembled, calibrated and tested for plug and play operation when the arrive at your site. This includes assembly of system hardware, installation of drivers and software, system configuration and calibration and providing labeled cables and connectors for full system function on installation.
VIacoustics turnkey measurement systems are shipped to your site ready for final installation and plug-and-play operation. Our services include unpacking and setting up the equipment, system initialization, calibration, and training of facility staff to use the system.
VIacoustics turnkey measurement systems include post installation support via telephone, e-mail and/or online support sessions. Our support staff is highly knowledgeable on acoustic measurement standards and practices, National Instruments digital signal analyzers, and all of the VIacoustics software.
VIacoustics can offer you a wide variety of acoustic and quality system consulting services that can help you build an acoustic measurement program from a basic sound level measurement to a fully accredited test laboratory. And, we can also help you make your products quieter and sound better to your customers. Here’s just a few of the consulting services we typically provide to our clients.
Acoustic Consulting on Product Noise – Understanding of product specifications, regulatory requirements, test methods, and basic acoustic principals as it relates to your product, equipment, or situation. Many clients who are experiencing acoustic noise emission requirements for the first time need these services just to understand the basics of the technology and the measurements required.
Acoustic Consulting on Acoustic Measurements and Laboratory Design – We’ve been involved in the construction and instrumentation of literally hundreds of acoustic measurement laboratories throughout the world for the past 30+ years. Some were basic acoustic measurement test benches in small companies and some were the largest, accredited test laboratories in the US. We can help you plan for what you need to build an acoustics program in your company that will meet your needs.
Acoustic Consulting for Product Noise Control – Working with David Nelson of Nelson Acoustics, one of the leading noise control consultants and sound quality experts in the US, VIacoustics can offer you acoustic consulting services that will help you reduce, control and engineer the sounds that come from your product to meet regulatory requirements, product specifications or customer acceptance criteria. David employs common sense engineering principals to help you meet your product noise goals. His extensive work in psychoacoustics and sound quality help our customers learn how to make acoustic engineering a product advantage that pays for itself in increased sales and profit margins.
ISO 17025 Quality System Consulting for Acoustics Laboratories – Jeff G. Schmitt, P.E., Principal Engineer for VIacoustics has a strong background and experience in helping acoustics laboratories prepared for accreditation under ISO 17025. He serves as an acoustics laboratory assessor for the US National Institute of Standards and Technology, National Voluntary Laboratory Accreditation Program (NVLAP) and has been trained in the concepts of ISO 17025 quality systems. From his early involvement with the first NVLAP accredited acoustics laboratory in the US, to the US Government and private sector companies he has helped, Jeff has been involved in the accreditation of numerous acoustics laboratories in the US. Jeff takes a very practical and organized approach to developing quality systems that fit the needs of the laboratory, rather it be a small company operation or a large government laboratory.
