Typical aweighted soundlevels measured with a soundlevel meter. Measurement of noise and vibrations by sound level meter 1. Apr 09, 2015 an introduction howto for the exair digital sound level meter have a question about this product. 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. 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. A sound level meter will usually have fast and slow response modes indicating its sensitivity to rapid fluctuations and peak values of sound pressure.
The digital circuitry and computational capabilities of a smartphone far exceed the power, speed, and storage capability of any professional sound level meter on. The larson davis model 831 class 1 sound level meter, with its high definition display, is. Your digital sound level meter provides automatic or manual ranging in six meas urement ranges from 30 to db. Petersen 1975, industrial noise control manual, na. User selectable features include frequency weighting a and c, response time fast and slow, max hold, and maxmin recording. The dsm8930 uses an integrated condenser microphone to measure the noise level of an environment or the loudness of a machine, typically in order to comply with health andor safety rules. Model km 8080 km 8080 is the most popular sound level meter that gives possibilities of measuring of noise with hindication of digital display with analog graph. A sound level meter is a way to measure how loud, in decibels, music is playing. The cel246 is an integrating sound level meter and so provides you with an average as recommended by many regulations. Your digital sound level meter provides automatic or manual ranging in six measurement ranges from 30 to db. Noise measurements can be downloaded to a windows computer over a usb interface. For a discussion of the measurement of peak and impulse levels, and their danger, see damagerisk criteria. If the lcd does not switch on, check the 9v battery located in the rear battery compartment.
Introduction congratulations on your purchase of the extech 407730 digital sound level meter. Defined in the sound level meter standards iec 60651, iec 60804, iec 61672, ansi s1. The bogen splm is a digital sound pressure level meter used to measure spl in decibels, from 30 to db. It is ideal for measuring and monitoring noise and sound in any environment. Professional sound engineers often use one to check the volume coming out of a pa at a big stadium show, trying to get the sound to peak at a certain level. This meter accurately monitors sound levels in a range from 40 to decibels. Introduction congratulations on your purchase of the extech model 407736 digital sound level meter. The cel246 is an integrating sound level meter with data logging. Extech type 2 35 decibel to decibel digital sound level meter whether youre monitoring workplace machinery, installing audio or alarm systems, or handling product noise certification and reduction, the extech digital sound level meter gets the job done. Thank you for buying a digital sauter sound level meter. Download digital volume vu meter software for free windows. The microphone can be removed and remotely stationed for convenience. Accurate ambient noise assessment using smartphones ncbi.
The meter allows you to select between fast and slow response times as well as a and c weighting. Multimedia tools downloads wide range peak meter by darkwood designs and many more programs are available for instant and free download. The lcd is backlit for viewing readings in dimly lit areas. Please read this users manual carefully and thoroughly before using the instrument. A wide variety of digital level meter options are available to you, such as power, phase, and display type.
In home audio, a sound pressure level meter can be used to help get the best sound out of your speakers. Task 1 measurement of noise and vibrations by sound level meter. A background noise absorber permits you to measure sound levels accurately even in the presence of high background noise. Great tool for checking, monitoring or controlling the sound level of any environments measurement range. We hope you are pleased with your high quality instrument and its big functional range. Pdf educational implementation of a sound level meter in the. Merge mp field app annotations with the corresponding analyzer in the project. Measure octave band spectra of grinding machine and transmission. 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.
Special committees that follow and monitor the level of noise and its influence have been created in every country. Smart tool for noise measurements noise meter tool. The 407732 measures and displays sound pressure levels in db from 35 to db. Investigator to type 781520, the data are automatically merged with the sound record ings. Students at various levels of theoretical background in the field of acoustic measurements are offered practical training in measurements using digital sound. Digital sound level meter carry case users guide quick start features for homehobbyist use. We do not use cookies for the processing, collection, or storage of personal data under any circumstances. External calibration attach an external sound level calibrator 1khz at 94. The procedure followed to calibrate our pce322a sound level meter in a. The 407730 measures and displays sound pressure levels in db from 40 to db. The 407730 sound level meter measures from 40 to db with an accuracy of 2db.
Please read the following information carefully before using. The unit can be used for independent onsite readings or set to monitor and measure db variances in an area over a period of time. Fastenal uses cookies to improve website user experience. Hold the meter in hand facing the microphone toward the source of the sound to be measured. Data storage function lcd screen, automatic shutdown after 15 minutes. Download digital volume vu meter software for free. Measure third octave band analysis of the source of noise in the given position 3. The meter will begin displaying sound level readings. Featuring a wide dynamic range from 30 to db, it can measure both a and c weightings to get the right response for the human ear and can have fast or slow responses to get an ambient reading or a short noise. Sound meters or sound level meters slm are used to provide an objective measurement of sound pressure levels. Digital sound level meter model 407738 introduction congratulations on your purchase of the extech 407738 digital sound level meter. Nor140 sound level meter instruction manual campbell associates. Set the meter to f, hi, and a, and adjust the potentiometer for a display of exactly 94. This meter is shipped fully tested and calibrated and, with proper use, will provide years of.
The sound level meter has been designed to measure sound level for various environments, it is used to detect noice, music level or sound engineerings. We have 2 radio shack sound level meter manuals available for free pdf download. Modular precision sound analyzer 2260 investigator. The 407738 measures and displays sound pressure levels in db decibels from 26 to db in six measurement ranges. Advanced digital communications via cellular modem. Mekanisme dan prosedur berikut ini merupakan mekanisme dan prosedur penggunaan sound level meter adalah. Evaluation of smartphone sound measurement applications apps.
A number of possible situations require the combining of several noise levels. Please read the following information carefully before using the meter. Calibrate the sound level meter by vibrating table 4. Extech instruments 407730 user manual pdf download. Digital sound level meter 40db meter featuring large lcd display with analog bargraph. Test the sound using the microphone of your gadget and get the fast meter response. Manual or automatic charge injection check cic cic allows the analyzer to.
Tecpel is a reliable taiwan based manufacturer of oscilloscope, dc power supply, temperature meter, clamp meter, sound level meter, light meter, industrial thermometer, digital multimeter, clamp meter, temperaturehumidity data logger, ph meters, lcr meter, insulation meters, differential probes, and etc. This meter is ideal for basic occupational noise measurements to osha, european, canadian and many other regulations. About 39% of these are levels, 1% are ph meters, and 0% are gas analyzers. Although this meter is a complex and delicate instrument, its durable structure will allow many years of use if proper operating techniques are developed. Details for combining sound pressure levels are given in appendix 2. Certainly, we can not use it as regular sound level meter without any other research like e. If youre into audio, you cant not have a sound level meter spl meter and now you dont have to have a six figure salary to afford one. Compact digital sound level meter jaycar electronics. 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. Radio shack sound level meter manuals manuals and user guides for radio shack sound level meter.
Although this sound meter is a complex and advanced instrument, its ruggedness will allow many years of. 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 environments. It is portable, easy to use, and ideal for measuring and monitoring noise and sound in any environment. For example, if the meter measures 91 db in range 80, then the number 90 and the bar graph flash. Youll be able to visualize the sound level with a professional audio tool. Sl4010 your purchase of this sound level meter marks a step forward for you into the field of precision measurement.
Congratulations on your purchase of the extech 407730 digital sound level meter. Instruction manual model 407736 digital sound level meter. Handheld analyzer types 2250 and 2270 user manual be17. Your digital sound level meter provides automatic or manual ranging 4 measurement ranges from 40 to db, and features 0. Digital sound level meter introduction exairs model 9104 digital sound level meter measures and displays sound pressure levels in db from 35 to db. The instruction manual of the measuring instrument should be consulted. The bogen splmis a digital sound pressure level meter used to measure spl in decibels db. Calibrate or check the calibration of sound level meter 2. Instruction manual model 407736 digital sound level meter 1. Sound pressure meters may also include a slow response time with a time constant.
Thus, a thorough study and comparison of the noise measurement performance when. Safety offices and sound quality control in various environment. Check the loudness or sound pressure with the help of this precise instrument. Sound decibel meter, goertek digital mini sound pressure level meter, audio noise measurement 30dba,maxmin hold,auto backlight display.
934 759 1205 853 1526 220 874 1125 1253 176 1045 1481 1255 120 1565 770 1293 46 1106 17 638 1264 69 464 87 753 4 955 1251 1121 134 901 1496 82 1380 408 223 34 579