Digital sound level meter ideally suited to a wide range of industrial noise measurement applications. Well, maybe you need one of these decibel meters to determine if the sound level in your space is harmful to your hearing. Digital display indicates the halfway result at the current point of time. Sound level meter model 4431 instruction manual kanomax usa. The unitest sound level meter 93411 is a general purpose test instrument. Manufacturer of digital sound level meter, digital sound level meters, km 927 km 928 km 929 digital sound level meter, measuring instruments, mumbai, india. Your digital sound level meter provides automatic or manual ranging in six measurement ranges from 30 to db. Sound meters test equipment digital sound meter measures noise levels from 30 to db model sm100 sound calibrator set standard noise levels at either 94 or 114 db model smc1 model sm100 digital sound meter is ideal for measuring noise levels from 30 to db with accuracy of 1. Pdf 1 fundamentals of acoustics world health organization.
The instrument is an important support for sound level. You can simply remove the battery, and put the unit away until next time. Digital sound level meter tes 51 at obsnap instruments. Using an sd card up to 16gb a user can select a desired sampling rate. Specialising in infrared thermometers, digital multimeters, clampon meters, insulation testers, electrical testers, light meters, sound level meters. Click option system setup realtime measurement click realtime measure in file menu bar in the tool column to enter the screen as. The first involves the use of band limited digital or analog filters. The 407730 measures and displays sound pressure levels in db from 40 to db. In this case, you should bring either an automatic traffic counter or a handheld manual counter. Decibel meter,meterk digital sound level meter, range 30dba noise volume measuring instrument selfcalibrated decibel monitoring testerbattery included 4. The cel246 is a data logging integrating sound level meter that meets the international standards to type 2 class 2, as required by many noise measurement standards. The sound level meter can be connected directly to the bus. A background noise absorber permits you to measure sound levels accurately even in the presence of high background noise.
Students at various levels of theoretical background in the field of acoustic measurements are offered practical training in measurements using digital sound. This sd series sound level meter has triple range measurement and features user selectable sampling rates from 1 to 3600 seconds. It is not possible to overcalibrate a sound level meter. Mekanisme dan prosedur berikut ini merupakan mekanisme dan prosedur penggunaan sound level meter adalah. Press level or, choosethe proper range,measure the sound level.
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. Sound meters test equipment digital sound meter measures noise levels from 30 to db model sm100 sound calibrator set standard noise levels at either 94 or 114 db model smc1 model sm100 digital sound meter is ideal for measuring noise levels. Please read the following information carefully before using. Extech instruments 407730 user manual pdf download. This highquality, professional digital sound level meter is very simple to operate. The 62x series sound level meters use the latest digital technology to give high standards of. To ensure that you can get the most from it, we recommend that you read and follow the manual carefully before use. Thank you for buying a digital sauter sound level meter. Nor140 sound level meter instruction manual campbell associates. Sound level and sound pressure level are expressed uniformly as sound pres sure level, distinguished by the use of frequency weighting. Pdf educational implementation of a sound level meter in the. The soundpro meter measures sound pressure levels in air.
Run digital sound level meter,click start to receive and display data. Great tool for checking, monitoring or controlling the sound level of any environments measurement range. Conducting sound measurements requires a sound level meter of. Congratulations on your purchase of the extech 407730 digital sound level meter. Sound level meter fluke 945 sound meter the fluke 945 sound level meter has been designed to meet the measurement requirements of safety engineers, health, industrial safety offices and quality. Fluke 945 sound meter the fluke 945 sound level meter has been designed to meet the measurement requirements of safety engineers, health, industrial safety offices and quality control. When you turn it on the numbers keep moving no press the button on the right until it says max on the screen, then measure your sound. Easy online ordering for the ones who get it done along with 247 customer service, free. Exairs model 9104 digital sound level meter is an easy to use instrument that can measure and monitor the sound level pressure in a wide variety of industrial environments. Press sending button for 2 seconds again, transmission stops. The 407732 measures and displays sound pressure levels in db. If the display appears under or over symbol, it indicates the sound level less than or more than 4090db, measurement is invalid.
Soundpro sound level meters series sedl user manual. Measurement settings and results level values and bar graph are shown on the backlit lcd panel. The output of the rms circuit is linear in voltage and is passed through a. This standard applies to the acquisition and product improvement of all. This way, you combine the convenience of directly measuring the.
Or you could choose to calibrate it once more now that it has been used. To ensure that you get the most from it, we recommend that you read and follow the manual carefully before use. Beha 93411 sound level meter with signal lo 35100db. Infra s50 digital sound level meter contains both a high quality microphone and a complete array of electronics with digital signal processing.
By pressing sending button for 2 second on the meter, realtime sound level data are trsnsmited to computer. The effect of brief sound peaks is minimized in this position. The 407730 sound level meter measures from 40 to db with an accuracy of 2db. The response of the human ear varies with the sound level. Dvm51 sound level meter 3 general description and features thanks you for selecting our sound level meter. It can be used for all measurements of volumeranges of 35 db up to db. It measures and stores the lavg and leq along with the fast or slow sound level. At higher levels, 100 db and above, the ears response is flatter, as shown in the cweighted response to the right. Introduction congratulations on your purchase of the extech 407730 digital sound level meter. The problem which will now be addressed is how to combine insertion losses to obtain an. A sound level meter is used for acoustic measurements. This sound level meter circuit can be used to control the intensity of a sound recording or in a disco.
It has 5 measurement domains between 70 and 120 db. This multifunctional digital sound noise level meter with lcd display is designed to meet the measurement requirement of noise engineers, noise quality control and health prevention in various. In the slow po sition, the meter is damped and indicates an averagevalue sound level. Digital io a group of contacts within the port provides one, logic level input and three, logic. These handy devices are most commonly used in pollution studies. This manual contains important safety and operating instructions for this equipment. Thank you for using our data logger sound level meter. Penggunaan sound level meter digital laboratorium perancangan kerja dan ergonomi jurusan teknik industri fakultas teknik universitas brawijaya 2014.
Great tool for checking, monitoring or controlling the sound level of any environments measurement. Users guide digital sound level meter model 407730 test equipment depot 800. Sl4010 your purchase of this sound level meter marks a step forward for you into the field of precision measurement. We hope you are pleased with your high quality instrument and its big functional range. Although the aweighted response is used for most applications, cweighting is also available on many sound level meters.
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