Testos thermal imagers with integrated digital camera automatically store an infrared and a real image simultaneously. A sound level meter is used for acoustic measurements. It provides the leq measurement that is used in assessing the workers exposure and for calculating the lep,d. A typical meter consists of a microphone for picking up the sound and converting it into an electrical signal, followed by electronic circuitry for operating on this signal so that the desired characteristics can be measured. The sc160 can be used as either a sound level meter or as a spectrum analyser and room noise evaluator by nc curves.
The word acoustic means sound that travels through air. With over 40 years of sound measurement experience, here at castle we are proud to be able to say we are the experts in sound. Easy online ordering for the ones who get it done along with 247. Sound level meter, device for measuring the intensity of noise, music, and other sounds. The performance of commercial slms are compared to a field research system reference. Soundlevel meter, device for measuring the intensity of noise, music, and other sounds.
Consult your companys safety professional for local standards, or call tsi at 18006801220 usa or 651 4902860. Generates a stable acoustic signal at a controlled frequency and amplitude to verify the accuracy of your sound level meter in the field generates a constant sound pressure level of 94 db at a fixed frequency of 1,000 hz model ca05a fabric carrying case. An integrating meter may also provide you with the sound exposure level a weighted sel or lae. Unfortunately, traditional sound level meters have a number of drawbacks, such as requiring large amounts of data. The current standard for sound level meters, iec 61672, covers instruments that can be anything from simple sound level meters that just measure the sound pressure level through to integratingaveraging sound level meters that will be capable of time averaging the sound exposure and giving an leq value. Generates a stable acoustic signal at a controlled frequency and amplitude to verify the accuracy of your sound level meter in the field generates a constant sound pressure level of 94 db at a fixed frequency of. Uks largest selection of sound level meters buy online. To disable the autopoweroff hold the fs button down while turning the unit on, then let go of the fs button. A bel is defined as a logarithm of the bahaviour of two readings of the same type. Business wire3m announced today that it has entered into a definitive agreement to acquire quest technologies inc. The instruction manual of the measuring instrument should be consulted. With these portable sound level meters you can carry out measurements quickly to gain control of a situation or to set the devices to take timed measurements. Gunshot sound pressure levels are commonly measured using commercial sound level meters. After 5 minutes without any operation the meter will automatically power off.
Special committees that follow and monitor the level of noise and its influence have been created in every country. Pdf measuring gunshots with commercial sound level meters. This addon help you easily measure some important sound factors, such as the sound level in decibel, noise level, sound average and normalized sound value. Noise is a serious environmental problem that affects us in our daily life, and sound level meters are an indispensable tool for addressing noise issues. The integrated soundlevel meters can store up to nine sets of different measurement conditions, and appropriate measurement conditions can be chosen as required by the circumstances. Tango plus sound level meter for all measurements necessary in workplace and environmental protection.
Selecting batteries do not mix battery types or batteries with significantly different charge. Note that the meter response will not be flat, due to the a and cweighting networks. Calibrate or check the calibration of sound level meter 2. L p a levels are established as l p aeq t timeaveraged sound pressure levels measured with an integrating averaging sound level meter meeting the requirements of iec 616721. Thereby, our complete range of sound level meters is expanded. Integrating sound level meters leq and noise at work. A typical meter consists of a microphone for picking up the sound and converting it into an electrical signal, followed by electronic circuitry for operating on this signal so that the desired characteristics.
These are class 1, class 2 and sound level indicators. With a variety of capabilities and available kit configurations, the modal shop can help you meet your testing goals. Safety offices and sound quality control in various environment. Sound level meters are generally described as class 1 or class 2. Selecting batteries do not mix battery types or batteries with. For example, you might use an audio patch cord to connect the meter to the aux or highlevel input of a recorder. How decibel sound level meters work explain that stuff. Uncertainties associated with the use of a sound level meter. With one of our sound level meters you will be able to measure the intensity of the sound with one of the sound level meters. Soundpro sound level meters series sedl user manual. All reed sound level meters are type 2 compliant and are backed by a 1 year manufacturers warranty. Class 1 and 2 sound meters are required to meet the full specifications of iec 61672. Measurement of noise and vibrations by sound level meter 1.
Specialising in infrared thermometers, digital multimeters, clampon meters, insulation testers, electrical testers, light meters, sound level meters, thermoanemometers, gas detectors, manometers and various measuring instruments. Class 1 environmental noise and building acoustics sound level meter learn more model 831. Sound level meters devices for controlling the sound level. The modal shops rental program offers proven solutions for sound level meter testing. The nor series of sound level meters are designed and manufactured to the latest sound level meter standards and comprises two products. Calibrate the sound level meter by vibrating table 4. When performing acoustic testing, choosing the proper sound level meter testing system is key. This is opposed to the word audio, a term that is also often used in the field of sound measurement.
Sound level meter sound level meter in a working process excessive noise at the enterprises and the environment may have very grave results and influence the health of the workers hearing loss. Looking for extech usb sound level datalogger 9m871. The 4431, provided with many functions usually mounted in equivalent products, has been realized at an extremely low price. Media in category sound level meters the following 56 files are in this category, out of 56 total. We provide thousands of sound meters for a vast range of applications in just about every different market sector you could think of. Sound level meters dedicated to sound and vibration. Output the phonotype output jack lets you con nect the meter to recording or other measure ment equipment. Features include an adjustable excessive sound alarm. Sound level meter with octave analyzer iec 61672 sinus.
Sound level meters pce322 a sound level meter with data logger and software for long period monitoring pce353 leq sound level meter with leq, memory and software technical specifications measurement range 30 to db in 5 ranges resolution 0. While many companies offer basic sound level meters, many of those meters do not conform to established independent standards for performance or intrinsic safety. Not all basic sound level meters are created equal. In fact, our latest generation of sound level meters can be directly managed via smartphones, and with the addition of our featureexpanding applications, you can customize your sound level. Service not covered in this manual should be performed by qualified personnel. Whether your application requires taking a simple and quick onetime reading or setting up a system for longterm continuous monitoring, reed instruments has a sound level meter to meet your requirements.
A sound level meter can be used for measuring sound or noise for community noise analysis, building acoustics, industrial noise control, machinery noise analysis, and further applications. The frequency weightings used in sound level meters are often related to the response of the human ear, to ensure that the meter is measuring pretty much what you actually hear. The most common form of measurement of sound in the united states or english system is in decibels db and metric users use micropascals upa. The human ear responds more to frequencies between 500 hz and 8 khz and is less sensitive to very lowpitch or highpitch noises. A sound level meter is used for acoustic sound that travels through air measurements. Nor1 class 1 sound level meter designed for occupational hygiene, general sound level measurements and noise assessments applications. Class 2 sound level meter with excelformatted data logging. The instrument brings unprecedented state of the art technology to a slm of this size. Extech usb sound level datalogger 9m871407760 grainger. The majority of sound and noise level meters fall into one of three categories. Cirrus offers a range of class 1 and class 2 handheld sound level meters and accessories to cover all noise measurement applications from simple noise tests to detailed noise analysis. Globalmediapro online store low prices and fast delivery. Measurement of noise and vibrations by sound level meter.
For a discussion of the measurement of peak and impulse levels, and their danger, see damagerisk criteria. The tango plus sound level meter according to iec 61672 with 11 and octave analyser for workplace and environmental protection applications. By order of the executive director office of the federal register washington, d. Monitoring sound levels is important for occupational health and safety as well as in situations where your equipment, music or crowds of people can be too loud. The extech 407732 sound level meter is a high accuracy instrument that meets ansi and iec 651 type 2 standards. Measure third octave band analysis of the source of noise in the given position 3. The noise test code presented by this international standard describes methods for determining and presenting the acoustical characteristics of compressors and vacuum pumps, i. Sl4010 your purchase of this sound level meter marks a step forward for you into the field of precision measurement. By authority of the united states of america legally binding document by the authority vested by part 5 of the united states code 552a and part 1 of the code of regulations 51 the attached document has been duly incorporated by reference and shall be considered legally.
The sound level meter complies with the requirements of iec 616721. With these portable sound level meters, you can carry out measurements quickly to gain control of a situation but also scheduled control measurements are possible. The soundpro meter measures sound pressure levels in air. Sound level meters safety equipment accurate hse safety. This website uses cookies to ensure you get the best experience on our website. It is commonly a handheld instrument with a microphone. The linear frequency range from 80 hz to 10 khz oct can easily cover the requirements of technical standards for the measurement of acoustic.
Although this meter is a complex and delicate instrument, its durable structure will allow many years of use if proper operating techniques are developed. For most noise at work applications an integrating sound level meter is essential. The purpose of this manual is to provide you with the necessary information to operate the 11002100 sound level meter as well as the remoteable versions of the 1100r2100r. Measure octave band spectra of grinding machine and transmission. Task 1 measurement of noise and vibrations by sound level.
For certain applications basic summary noise data, such as spl, lmin, lmax, leqlavq or peak, may be all that is required. They have developed an entertainment sound level meter to provide instant readouts and continuous information. Task 1 measurement of noise and vibrations by sound level meter. Sound level meters can help you decide what the correct level of hearing protection is needed for your workplace. Sound level meters are used when trying to determine the need for hearing protection in an industrial arena. Extech 407732 sound level meter sound level meters. The larson davis model 831 is a fifth generation larson davis sound level meter, designed for simple single handed operation, yet is fully featured, smart and versatile with an ever expanding firmware platform. It is used for the measurement of sound levels with sound level meters although the actual sound output is determined in relation. Turning the sound level meter on and off press the power button to turn the meter on. Cirrus offers a range of class 1 and class 2 handheld sound level meters and accessories to cover all noise measurement applications from simple noise tests to detailed noise analysis our range of sound level meters and noise meters spans simple instruments that provide the measurement of sound level, integratingaveraging instruments that provide leq and. Class 1 sound level meter designed for professionals with available logging and 11 and octave analysis learn.
The sound examiner series are datalogging and compatible with the new dms software. Buy decibel meter, meterk digital sound level meter, range 30dba noise volume measuring instrument selfcalibrated decibel monitoring testerbattery included. Adding playback function lets you check whether the recording of a measurement sound has been securely made. We have taken the unique technology from our more advanced analysers into a new simple sound level meter to give the users a reliable low cost slm with the wellknown norsonic quality. This specification refers to the sound level meter model4431. The extech 407732 sound level meter has high 65 to db and low 35 to 100db measuring ranges enabling its use in a variety of environments. A sound level meter will usually have fast and slow response modes indicating its sensitivity to rapid fluctuations and peak values of sound pressure. Specifications for sound level meters name of standards organization.
The design of the model 831 was based on countless inputs from our customers. The 1100 sound level meter is a light weight easytouse type 1 instrument. Class 1 environmental noise and building acoustics sound level meter learn more soundtrack lxt. It covers most measurands corresponding to jis and iso. Sound meters or sound level meters slm are used to provide an objective measurement of sound pressure levels.
Measure octave band spectra of grinding machine and transmission to table with. Extech 407732 sound level meter sound level meters instrumart. When using a sound meter you can select from type 1 or 2 accuracy level depending on your requirements. Functions of the extech 407732 sound level meter include data hold and max hold. Twinpix enables the setting of marking points which correspond in the infrared and the real image, so as to merge real and thermal images and display them simultaneously in one image. The diaphragm of the microphone responds to changes in air pressure caused by sound waves. The sc160 is a userfriendly, low cost, class 2 integrating sound level meter. Class 2 sound level meter with excelformatted data logging sd card. Sound level meter selection guide rental the modal. American national standards institute legally binding document.