Sl4010 your purchase of this sound level meter marks a step forward for you into the field of precision measurement. Pdf 1 fundamentals of acoustics world health organization. A sound level meter is used for acoustic measurements. Congratulations on your purchase of the extech 407730 digital sound level meter. To ensure that you can get the most from it, we recommend that you read and follow the manual carefully before use. 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. 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. 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. Mekanisme dan prosedur berikut ini merupakan mekanisme dan prosedur penggunaan sound level meter adalah. The first involves the use of band limited digital or analog filters. Digital io a group of contacts within the port provides one, logic level input and three, logic. It measures and stores the lavg and leq along with the fast or slow sound level. Although the aweighted response is used for most applications, cweighting is also available on many sound level meters. Infra s50 digital sound level meter contains both a high quality microphone and a complete array of electronics with digital signal processing. 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. Data storage function lcd screen, automatic shutdown after 15 minutes. The 407732 measures and displays sound pressure levels in db. This highquality, professional digital sound level meter is very simple to operate. Special committees that follow and monitor the level.
Dvm51 sound level meter 3 general description and features thanks you for selecting our sound level meter. Penggunaan sound level meter digital laboratorium perancangan kerja dan ergonomi jurusan teknik industri fakultas teknik universitas brawijaya 2014. A background noise absorber permits you to measure sound levels accurately even in the presence of high background noise. Using an sd card up to 16gb a user can select a desired sampling rate. Users guide digital sound level meter model 407730 test equipment depot 800. User selectable features include frequency weighting a and c, response time fast and slow, max hold, and maxmin recording. 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. The response of the human ear varies with the sound level. Looking for extech digital sound level meter, 40 to db 1lyp4. It has 5 measurement domains between 70 and 120 db. Digital sound level meter, digital sound level meters, km. 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. Introduction congratulations on your purchase of the extech 407730 digital sound level meter.
Beha 93411 sound level meter with signal lo 35100db. At higher levels, 100 db and above, the ears response is flatter, as shown in the cweighted response to the right. Great tool for checking, monitoring or controlling the sound level of any environments measurement. Thank you for using our data logger sound level meter. Decibel meter,meterk digital sound level meter, range 30dba noise volume measuring instrument selfcalibrated decibel monitoring testerbattery included 4. This standard applies to the acquisition and product improvement of all.
If the display appears under or over symbol, it indicates the sound level less than or more than 4090db, measurement is invalid. Easy online ordering for the ones who get it done along with 247 customer service, free. Pdf educational implementation of a sound level meter in the. The problem which will now be addressed is how to combine insertion losses to obtain an. The effect of brief sound peaks is minimized in this position. Extech instruments 407730 user manual pdf download. To ensure that you get the most from it, we recommend that you read and follow the manual carefully before use. The output of the rms circuit is linear in voltage and is passed through a. Sound level meter model 4431 instruction manual kanomax usa. 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.
The 407730 sound level meter measures from 40 to db with an accuracy of 2db. In this case, you should bring either an automatic traffic counter or a handheld manual counter. Soundpro sound level meters series sedl user manual. This manual contains important safety and operating instructions for this equipment. 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. Your digital sound level meter provides automatic or manual ranging in six measurement ranges from 30 to db. This sd series sound level meter has triple range measurement and features user selectable sampling rates from 1 to 3600 seconds. Or you could choose to calibrate it once more now that it has been used.
The soundpro meter measures sound pressure levels in air. Thank you for buying a digital sauter sound level meter. Run digital sound level meter,click start to receive and display data. Measurement settings and results level values and bar graph are shown on the backlit lcd panel. You can simply remove the battery, and put the unit away until next time.
The sound level meter can be connected directly to the bus. 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. 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. Great tool for checking, monitoring or controlling the sound level of any environments measurement range. The 62x series sound level meters use the latest digital technology to give high standards of. Sound level and sound pressure level are expressed uniformly as sound pres sure level, distinguished by the use of frequency weighting. Well, maybe you need one of these decibel meters to determine if the sound level in your space is harmful to your hearing. Conducting sound measurements requires a sound level meter of. It can be used for all measurements of volumeranges of 35 db up to db.
Please read the following information carefully before using. Nor140 sound level meter instruction manual campbell associates. Students at various levels of theoretical background in the field of acoustic measurements are offered practical training in measurements using digital sound. A background noise absorber permits you to measure sound. Click option system setup realtime measurement click realtime measure in file menu bar in the tool column to enter the screen as. 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.