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Test & Measuring Instruments -> Meters -> Sound Level Meters

Sound Level Meters

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Sound Level Meter supports 2 channel option.

Sound Level Meter supports 2 channel option.

Bruel & Kjaer, Inc.    Norcross, GA 30071
Dec 19, 2013 Helping reduce time spent conducting multi-point acoustic measurements, Type 2270 supports 2 channel option that allows both channels to receive simultaneous input from 2 microphones or accelerometers. It is also possible to receive feedback from one microphone and one accelerometer, and 2 channel option is compatible with Signal Recording Option BZ-7226. User can play back recordings and export data for further analysis via Measurement Partner Suite.

Noise Monitoring System supports remote communication.

Larson Davis, Inc., A PCB Group Co.    Provo, UT 84601
Oct 15, 2013 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 sensor. In addition, NoiseTutor supports web publishing of data, and noise alerts via email or SMS.

Audiometric Couplers enable insert earphone testing.

Larson Davis, Inc., A PCB Group Co.    Provo, UT 84601
Aug 26, 2013 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 cm³ couplers designed to be used with ½ in. and 1 in. microphones, respectively. Using AUDit™ software, users can automatically correct RETSPL measurements for effects of microphone and coupler while tracking calibration history in database.

Sound Level Meter features French LNE Certification.

Larson Davis, Inc., A PCB Group Co.    Provo, UT 84601
Aug 02, 2013 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). Voice annotation, programmable run modes, and community noise calculations are standard.

Wind Sensor enhances environmental noise monitoring systems.

Larson Davis, Inc., A PCB Group Co.    Provo, UT 84601
Jul 23, 2013 Constructed without any moving parts, SEN032 incorporates Vaisala WMT52 ultrasonic wind sensor (with support) into NoiseTutor and Model 831-based noise monitoring systems. Triangular design and multiple points optimize data acquisition. Wind sensor can be used in applications such as monitoring wind turbine noise, environmental noise, and construction noise.

Hand-Held Sound Level Meter supports product noise evaluation.

Larson Davis, Inc., A PCB Group Co.    Provo, UT 84601
May 02, 2013 SoundExpert™ LxT Sound Level Meter is rugged device that measures noise for pass/fail assessments and gathers data for up to 2 wk using battery power. Graphic display and firmware are included, while in kit form, product also includes protective case, D-cell battery pack, microphone protection shroud, and cable options from 6–200 ft. Free field or random incidence microphones are also available. Product suits construction, mining, wind farm, and public venue applications.

Rugged Sound Level Meter has portable, handheld form factor.

PCB Piezotronics, Inc.    Depew, NY 14043 2495
Apr 23, 2013 Used for general product evaluation and noise monitoring applications, SoundExpert™ LxT comes with graphic display and fixed set of firmware options. Functionality provides method to measure noise for pass/fail assessments and archiving future traceability. Available with free field or random incidence microphones and with detachable pre-amplifier and microphone, hand-held unit comes with extension cable options from 6–200 ft and will gather data for up to 2 weeks using battery power.

Sound Level Meter includes voice recording functionality.

Sound Level Meter includes voice recording functionality.

Casella USA    Amherst, NH 03031
Jan 12, 2012 Incorporating digital technology, CEL-630 has single measurement range up to 140 dB, with no set-up adjustment required when obtaining and viewing different noise parameters. Audio recording allows user to annotate measurements, while Data Markers allow information to be tagged during measurement and marked when downloaded with corresponding audio captured. For unattended noise monitoring, event capture can be triggered from pre-set decibel level threshold.

Handheld Sound Intensity System performs in-field measurements.

Handheld Sound Intensity System performs in-field measurements.

Brüel & Kjęr    Norcross, GA 30071-1588
Nov 29, 2011 Comprised of sound level meter, sound intensity software, and sound intensity probe, 2270-G can assess power and location of noise sources. Battery-operated, portable system provides on-screen camera pictures of measurement object and displays colored sound power contours over image. Operated by one person, solution uses phase-calibration technique that enables all measurements to be made using one spacer between 2 microphones on sound intensity probe, covering 50 Hz to 10 kHz range.

Multifunction Environmental Meter measures range of conditions.

Multifunction Environmental Meter measures range of conditions.

Dwyer Instruments, Inc.    Michigan City, IN 46361
Mar 23, 2011 Equipped with dual-line, 4-digit LCD that shows both current and average reading, Model EMMA measures temperature from 14-140°F, humidity from 0-100%, and sound level from 30-130 dBA as well as illumination from 0-50,000 lux, wind speed from 96-5,913 fpm, and air flow from 0-999,999 cfm. Battery-powered meter also indicates min, max, and differential measurement of each parameter. For reading in dimly lit areas, display includes built-in backlight.

Digital Sound Meter offers multiple ranges, fast response.

Digital Sound Meter offers multiple ranges, fast response.

Dwyer Instruments, Inc.    Michigan City, IN 46361
Sep 20, 2010 Capable of measuring noise levels from 30-130 dB with accuracy of ±1.5 dB, Model SM-100 has frequency range of 31.5 Hz to 8 kHz, 3 different dB ranges, and ½ in. condenser microphone. There are 2 frequency weightings, from 30-130 dB and 35-130 dB, and backlit 4-digit LCD can update in 0.5 sec when unit is set to fast response. In addition to 9 V battery, features include data hold, ability to record Max/Min, auto ranging, auto power-off, and dynamic range of 50 dB.

Sound Intensity Probe features Class 1 designation.

Sound Intensity Probe features Class 1 designation.

G.R.A.S. Sound & Vibration A/S    Holte DK-2840  Denmark
Aug 20, 2010 Compatible with most signal analyzers and IEPE-type data acquisition devices, prepolarized CCP Type 50GI is supplied in kit form with phase matched ½ in. prepolarized intensity-microphone set, two ¼ in. CCP preamplifiers, 4 solid interchangeable spacers, windscreen, 2 BNC cables, and probe handle. Spacers allow microphones to be placed at varying lengths of 12-100 mm across full frequency range of 50 Hz to 10 kHz. Probe is suited for any sound intensity or sound power measurement application.

Digital Noise Dosimeter features cable-free, wearable design.

Digital Noise Dosimeter features cable-free, wearable design.

Casella USA    Amherst, NH 03031
Jul 09, 2010 With 28-hr battery life, CEL-350L dBadge Lite enables users to monitor personal noise exposure for compliance with workplace noise regulations published by OSHA and ACGIH/NIOSH. Only 2 keys on side of instrument are used for all operations. At end of measurement run, user can download data to PC by pointing device at provided infrared download adaptor. Once downloaded into Casella Insight(TM) software, data can be stored under employees' name, location, or process.

Mobile Site Survey Tool measures noise levels.

Herzan    Laguna Niguel, CA 92677
Jul 01, 2010 Integrating compact computer and analysis software with data conversion unit, vibration sensor, and acoustic sensor, The WaveCatcher enables users to measure vibration and acoustic noise levels with push of button. Software can display 3 inputs simultaneously, manipulate display settings, record data as image or .csv file, and record detailed test notes with data.

Precision Measurement Microphones meet IEC/ANSI standards.

Precision Measurement Microphones meet IEC/ANSI standards.

Meggitt Sensing Systems (Endevco Corp.)    San Juan Capistrano, CA 92675
May 12, 2010 Available in 1/8, ¼, and ½ in. dia, Endevco® prepolarized condenser measurement microphones are offered in free-field, pressure, low-cost array, and random incidence types. All microphones are constructed with stainless steel protective grid case and housing, as well as special stainless steel alloy diaphragm, to suit variety of application environments. Models are offered as stand-alone units, or in microphone and low-noise preamplifier combination with iTEDS on-board memory storage.

Testing System helps minimize brake part noise.

Testing System helps minimize brake part noise.

The Modal Shop, Inc.    Cincinnati, OH 45241
Jan 05, 2010 Designed for use in production, Noise, Vibration, and Harshness Testing System provides non-destructive testing of calipers, anchors, and disks with throughput rates of 1 part/sec using Resonant Acoustic Method. Automated software reporting allows for part-specific information to be automatically or manually input on per part basis. By measuring, reporting, and archiving natural frequencies of brake components, system ensures NVH requirements are met on every piece.

Kit and Service diagnose acoustical problems in rooms.

Kit and Service diagnose acoustical problems in rooms.

Auralex Acoustics, Inc.    Indianapolis, IN 46256
Sep 17, 2009 Room Analysis PLUS Kit provides tools needed to acoustically analyze any room: omni-directional microphone, USB drive with frequency sweeps, and instructions. When emailed to Auralex with room data, recorded WAV file is compared to original source file to derive Frequency Response, Impulse Response, Waterfall Plot, and Reverberation Time. Room Analysis Pro, also available, offers on-site analysis of room acoustics and sound quality. Reports are provided in 5-7 business days.

Noise Measurement Kit suits difficult applications.

Casella USA    Amherst, NH 03031
Aug 07, 2009 Along with DSP and color LCD, CEL-620.A offers all components needed for occupational hygienists to conduct various noise measurement surveys. It provides broadband meter features while simultaneously allowing user to perform real-time measurements in octaves from 16 Hz to 16 kHz and third octaves from 12.5 Hz to 20 kHz. Meter is suited for difficult situations, such as those encountered with transient sources and where time average levels of varying or impulsive noises are required.

Sound Level Meter measures STI-PA speech intelligibility.

Quest Technologies Inc.    Oconomowoc, WI 53066 4828
Apr 08, 2009 Verifier measures speech intelligibility STI-PA (Speech Transmission Index-Public Address) in accordance with IEC 60268-16, NFPA 72 Annex E to ensure voice actuated fire alarms, mass communications, and PA systems are clearly heard and understood in emergency. Features include keypad, LCD screen, and run-time clock for detailing and storing duration of test sessions. Unit also has ability to sample ambient noise during peak business hours and can store up to 4 captured curves.

Acoustic Measurement System operates up to 120°C.

Acoustic Measurement System operates up to 120°C.

PCB Piezotronics, Inc.    Depew, NY 14043 2495
Apr 01, 2009 Consisting of IEC-compliant microphone and preamplifier system, ½ in. Model HT378B02 can be used by test engineers to measure sound amplitude in Pascals or Decibels and perform frequency analysis. Low-noise acoustic measurement system is suited for obtaining measurements in and around vehicle's engine, manifold, underhood, exhaust pipe, and other hot spots associated with powertrain and vehicle systems NVH testing.

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