We hope you are pleased with your high quality instrument and its big functional range. These handy devices are most commonly used in pollution studies. Sound level and sound pressure level are expressed uniformly as sound pres sure level, distinguished by the use of frequency weighting. 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 407730 measures and displays sound pressure levels in db from 40 to db. Digital display indicates the halfway result at the current point of time. Easy online ordering for the ones who get it done along with 247 customer service, free. Mekanisme dan prosedur berikut ini merupakan mekanisme dan prosedur penggunaan sound level meter adalah. By pressing sending button for 2 second on the meter, realtime sound level data are trsnsmited to computer. 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.
Digital io a group of contacts within the port provides one, logic level input and three, logic. Dvm51 sound level meter 3 general description and features thanks you for selecting our sound level meter. This manual contains important safety and operating instructions for this equipment. The 407732 measures and displays sound pressure levels in db. Digital sound level meter ideally suited to a wide range of industrial noise measurement applications. Specialising in infrared thermometers, digital multimeters, clampon meters, insulation testers, electrical testers, light meters, sound level meters. At higher levels, 100 db and above, the ears response is flatter, as shown in the cweighted response to the right. Extech instruments 407730 user manual pdf download. The instrument is an important support for sound level.
User selectable features include frequency weighting a and c, response time fast and slow, max hold, and maxmin recording. Beha 93411 sound level meter with signal lo 35100db. Decibel meter,meterk digital sound level meter, range 30dba noise volume measuring instrument selfcalibrated decibel monitoring testerbattery included 4. Although the aweighted response is used for most applications, cweighting is also available on many sound level meters. 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.
Infra s50 digital sound level meter contains both a high quality microphone and a complete array of electronics with digital signal processing. If the display appears under or over symbol, it indicates the sound level less than or more than 4090db, measurement is invalid. 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. Digital sound level meter, digital sound level meters, km. Students at various levels of theoretical background in the field of acoustic measurements are offered practical training in measurements using digital sound. This highquality, professional digital sound level meter is very simple to operate. Penggunaan sound level meter digital laboratorium perancangan kerja dan ergonomi jurusan teknik industri fakultas teknik universitas brawijaya 2014. Sound level meter model 4431 instruction manual kanomax usa. Run digital sound level meter,click start to receive and display data. It has 5 measurement domains between 70 and 120 db. The effect of brief sound peaks is minimized in this position.
This standard applies to the acquisition and product improvement of all. Conducting sound measurements requires a sound level meter of. Press sending button for 2 seconds again, transmission stops. This sound level meter circuit can be used to control the intensity of a sound recording or in a disco. Thank you for buying a digital sauter sound level meter. This way, you combine the convenience of directly measuring the. 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. Thank you for using our data logger sound level meter. Or you could choose to calibrate it once more now that it has been used. Data storage function lcd screen, automatic shutdown after 15 minutes. To ensure that you get the most from it, we recommend that you read and follow the manual carefully before use.
Congratulations on your purchase of the extech 407730 digital sound level meter. Please read the following information carefully before using. 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. Soundpro sound level meters series sedl user manual. Click option system setup realtime measurement click realtime measure in file menu bar in the tool column to enter the screen as. Pdf 1 fundamentals of acoustics world health organization. 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. Great tool for checking, monitoring or controlling the sound level of any environments measurement. Pdf educational implementation of a sound level meter in the. Great tool for checking, monitoring or controlling the sound level of any environments measurement range. In this case, you should bring either an automatic traffic counter or a handheld manual counter. This sd series sound level meter has triple range measurement and features user selectable sampling rates from 1 to 3600 seconds.
The response of the human ear varies with the sound level. It is not possible to overcalibrate a sound level meter. Users guide digital sound level meter model 407730 test equipment depot 800. 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. A background noise absorber permits you to measure sound. Nor140 sound level meter instruction manual campbell associates. To ensure that you can get the most from it, we recommend that you read and follow the manual carefully before use. Sl4010 your purchase of this sound level meter marks a step forward for you into the field of precision measurement. The 407730 sound level meter measures from 40 to db with an accuracy of 2db. 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. 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.
Using an sd card up to 16gb a user can select a desired sampling rate. 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. Looking for extech digital sound level meter, 40 to db 1lyp4. The unitest sound level meter 93411 is a general purpose test instrument. Introduction congratulations on your purchase of the extech 407730 digital sound level meter. Well, maybe you need one of these decibel meters to determine if the sound level in your space is harmful to your hearing. The soundpro meter measures sound pressure levels in air. Your digital sound level meter provides automatic or manual ranging in six measurement ranges from 30 to db. Digital sound level meter tes 51 at obsnap instruments.
The first involves the use of band limited digital or analog filters. Manufacturer of digital sound level meter, digital sound level meters, km 927 km 928 km 929 digital sound level meter, measuring instruments, mumbai, india. It can be used for all measurements of volumeranges of 35 db up to db. In the slow po sition, the meter is damped and indicates an averagevalue sound level. Special committees that follow and monitor the level.
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