View and download extech instruments 407730 user manual online. The sound level meter functions as a standalone device, and you can monitor sound levels by reading the lcd panel. Professional decibel meter, digital sound level meter with backlight display high accuracy measuring 30dbdb with data record function add to cart see details see. 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. We hope you are pleased with your high quality instrument and its big functional range. Calibrating sound level meter when sound level meter is used for a long time, its accuracy may reduce, we need to check and calibrate it, normally a time for each year. This sd series sound level meter has triple range measurement and features user selectable sampling rates from 1 to 3600 seconds. The actual developer of the free program is darkwood. Extech instruments 407730 user manual pdf download. Press and hold the rng button for 2 seconds to exit the manual range mode. Virtual sound level meter for analyzing calibrated sound files.
The pce428430432 is a digital sound level meter which design and. Digital sound level meter operation manual db 0 ca under fast slow over max figure3 1 3 4 5 7 6 9 12 8 11 10 d. 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 max hold position is used to measure the maximum level of sounds. These are both 400hz tones, one recorded at a level of 4db below full scale digital 4db and the other at 10db. Congratulations on your purchase of the extech 407730 digital sound level meter. Includes microphone wind screen and four aaa batteries. Thank you for using our data logger sound level meter. Please read this users manual carefully and thoroughly before using the instrument. The dsm8930 uses an integrated condenser microphone to. Your digital sound level meter provides automatic or manual ranging in six measurement ranges from 30 to db. The handheld xl2 analyzer is a powerful sound level meter, a professional acoustic analyzer, a precision audio analyzer and a comprehensive vibration meter in one instrument. Download darkwood digital level meter for free windows.
This multifunctional digital soundnoise level meter with lcd display is designed to meet the measurement requirement of noise engineers, noise quality control and health prevention in. The following noise measurement download and reporting software is available for download. If you want to collect sound level data, you need to connect the sound. The measured data will be displayed on your computer screen open measurement data file in soundlab format save realtime measurement data download the measurement data export the measurement data to excel printer setting print data sheet system setting language selection of software contact. Output output the phonotype jack lets you output connect the meter to recording. Digital level meter lies within office tools, more precisely calculators. The 407730 sound level meter measures from 40 to db with an accuracy of 2db. The extech 407790a octave band analyzer is a type 2 integrating sound level meter with octave and octave band real time display. Office tools downloads digital level meter by darkwood and many more programs are available for instant and free download. If so, you need to install simplified chinese font pack for acrobat reader to display the file properly.
Here are downloads that are available from studio six digital. The measured data will be displayed on your computer screen open measurement data file in soundlab format save realtime measurement data download. Pdf the use of sound level meter apps in the clinical. Pdf educational implementation of a sound level meter in the. The meter will begin displaying sound level readings.
If the lcd does not display, check that the battery is good. Page 1 sound level meter page 2 table of contents page 3 introduction page 4. Model 735, datalogging digital sound level meter with rs. Reed instruments sd series sound level meter, datalogger. Careful use of this meter will provide years of reliable service. Thank you for buying a digital sauter sound level meter. Virtual sound level meter for analyzing calibrated sound files this project is the matlab development of a virtual sound level meter. Soundmeter x turns your ios device into a handheld datalogging sound level meter slm, datalogging noise dosimeter, multichannel data recorder, and realtime analyzer. 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 and quickly generate an excel file.
This sound level meter meets iec type 2 this sound level meter meets iec type 2 requirements and offers high accuracy for critical measurements. Playback the tone file and set up the meter so it reads wherever you want it on the scale. 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. This project is the matlab development of a virtual sound level meter. Hhsl101 series digital sound level data logger omega. The purpose of this study was to compare sound level meter slm readings obtained using a larsondavis depew, ny model 831 type 1 slm, a radioshack fort worth, tx slm. Adjust the level on the dfg module until slm reads 60 db on the fast c or linear scale. The needle level indicator shows the actual sound level as a displacement from the center point. Place the meter on a tripod or hold the meter in hand facing the microphone toward. Sound level meter can be used for noise engineering, quality control, health and prevention and treatment of a variety of environmental noise monitoring.
Click the icon to download the file to your computer. Please according the following procedures to calibrate the instrument. The sound level meter consists of a condenser microphone to convert the. Pdf most libraries, whilst ensuring that the necessary facilities are available. The instruction manual of the measuring instrument should be consulted. Mac users interested in audio level meter software free generally download. The sensing microphone on the sound level meter is located at the end of the silver. Extech 407790a octave band analyzer sound level meters. To ensure that you can get the most from it, we recommend that you read and follow the manual carefully before use. The rms signal is then exponentially averaged using a time constant of 0. The sound level meter has been designed to meet the measurement requirements for. If the lcd does not switch on, check the 9v battery located in the rear battery.
As an aid to calibration here are two calibration tone wave files zipped you can download. Reed instruments sound level calibratorr8090 the home depot. Casella 63x digital sound level meter thermo fisher scientific. Simultaneous measurement of all parameters with all frequency. The 407730 measures and displays sound pressure levels in db from 40 to db. The hhsl101 is a lowcost, compact, battery powered sound level meter capable of unattended logging recording of the decibel level of an environment for days, weeks or months. If the lcd does not switch on, check the 9v battery located in the rear battery compartment. Calibration the sound level meter is built in the internal external calibration vr 35, fig.
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