Sound Level Meters

Test & Measuring Instruments

Validation System measures earplug/earmuff effectiveness.

May 20, 2015

Measuring 7 standard frequencies for both ears in less than 3 seconds, 3M E-A-Rfit Dual-Ear Validation System generates Personal Attenuation Rating to validate hearing protection and assist with hearing protector selection. System measures sound pressure levels objectively, both outside and inside hearing protection. Once measurement is complete, software displays PAR along with pass/fail indication for worker’s noise exposure level. Results are not affected by hearing level of employee. Read More

Test & Measuring Instruments

Shoulder-Mounted Noise Dosimeter features Bluetooth connectivity.

May 5, 2015

Offered in models with optional octave band data capture and audio event recording, cable-free dBadge2™ comes with Airwave™ app that captures every metric needed for worldwide noise exposure regulatory requirements. Dosimeter supports connection to Apple® or Android® mobile devices via Bluetooth® 4.0 communications, and full color OLED screen ensures legible results viewing in any lighting condition. Other features include 2-button operation, ½ in. microphone, and secure data storage. Read More

Test & Measuring Instruments

Sound Level Meter meets high-end installation needs.

April 14, 2015

Designed to IEC651 (Type 2)  and ANSI S1.4 (Type 2) standards, Sonichek™ Pro accommodates requirements of professional installers working on high-end installations. This sound level meter, used for exacting audio installation checks, offers A- and C- Weighted measurements from 30–130 dB, frequency range from 31.5 Hz to 8 kHz, and accuracy of ±1.5 dB.
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Test & Measuring Instruments

Sound Level Meters offer enhanced usability via software.

February 25, 2015

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 64-bit to support large data files, and another version is available for 32-bit computers. Read More

Transportation Industry Products, Sensors, Monitors & Transducers, Test & Measuring Instruments, Mounting & Attaching Products

Underwater Acoustic Positioning System operates up to 1,000 m.

January 21, 2015

Housed in palm-sized titanium enclosure, Subsonus USBL combines 8-channel calibrated hydrophone array with integrated inertial navigation system to provide position, velocity, and heading at depths of up to 1,000 m. Self-calibrating system requires no extra equipment or user intervention for setup, minimizing risk of operator errors. Operating on inverted or standard USBL scheme, Subsonus performs all processing and uses single Ethernet connection for data output. Read More

Test & Measuring Instruments

Digital Multifunctional Meter performs environmental measurements.

October 13, 2014

Supplied with carrying case, operator's manual, portable mini-tripod, and 9 V battery, RH87 combines functionality of sound level, luminometer, relative humidity (RH) meter, and anemometer. This CE-compliant digital multifunctional environmental meter measures sound (dB), temperature, humidity, and light (Lux) and uses standard and metric units. Other features include backlit LCD as well as data hold and auto-ranging functions. Read More

Test & Measuring Instruments, Sensors, Monitors & Transducers, Electronic Components & Devices

Wireless Speech Sound Source measures speech intelligibility.

July 8, 2014

Used in combination with DIRAC 6 room acoustics software, Echo Speech Source Type 4720 enables users to perform speech intelligibility measurements, which meet standards IEC 60268-16 and ISO 3382-3. Echo speech source works as standalone tool with 5 in-built calibrated signals, which are used by DIRAC software to calculate range of speech intelligibility parameters, such as STI, STIPA, and RASTI based on impulse response of room being measured. Read More

Test & Measuring Instruments

Sound Level Meter supports 2 channel option.

December 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. Read More

Test & Measuring Instruments

Noise Monitoring System supports remote communication.

October 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. Read More

Test & Measuring Instruments, Communication Systems & Equipment

Audiometric Couplers enable insert earphone testing.

August 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. Read More

Test & Measuring Instruments

Sound Level Meter features French LNE Certification.

August 2, 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. Read More

Test & Measuring Instruments, Sensors, Monitors & Transducers

Wind Sensor enhances environmental noise monitoring systems.

July 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. Read More

Test & Measuring Instruments, Sensors, Monitors & Transducers, Green & Clean

Hand-Held Sound Level Meter supports product noise evaluation.

May 2, 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. Read More

Test & Measuring Instruments

Rugged Sound Level Meter has portable, handheld form factor.

April 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. Read More

Test & Measuring Instruments

Sound Level Meter includes voice recording functionality.

January 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. Read More

Test & Measuring Instruments

Handheld Sound Intensity System performs in-field measurements.

November 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. Read More

Test & Measuring Instruments, Sensors, Monitors & Transducers

Multifunction Environmental Meter measures range of conditions.

March 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. Read More

Test & Measuring Instruments

Digital Sound Meter offers multiple ranges, fast response.

September 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. Read More

Test & Measuring Instruments, Sensors, Monitors & Transducers

Sound Intensity Probe features Class 1 designation.

August 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. Read More

Test & Measuring Instruments

Digital Noise Dosimeter features cable-free, wearable design.

July 9, 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. Read More