Apply sound calibrator on sound level meter microphone and verify that sound pressure level indicated on calibrator appears on display. A background noise absorber permits you to measure sound levels accurately even in the presence of high background noise. The meter displays only the loudest mea sured sound level during the 1second sampling period. To do so, connect the sensor following the steps in the getting started section of this user manual. The current standard for sound level meters, iec 61672, covers instruments that can be anything from simple sound level meters that just measure the sound pressure level through to integratingaveraging sound level meters that will be capable of time averaging the sound exposure and giving an leq value. Our sound calibrator series are designed to fulfill this customer needs.
Center 321 is our newly designed sound level meter. The needle level indicator shows the actual sound level as a displacement from the center point. This datalogging sound level meter records up to 32,000 readings and is autoranging from 30 to db. Center 325 sound level meter mini size newly design shape low cost high performance maxmin function level range display ac singal output resolution 0. Pce322a is a handheld, portable, professional class 2 sound level meter or decibel db meter with builtin datalogging or datarecording functionality. For example, if range is set to 80 and the meter scale reads 3, the actual sound level is 77 db 803. We had added fast analog bar with peak hold two second in this tester. Center 325 sound level meter mini size newly design shape low cost high performance maxmin function. Sound level loggers autonomously record differences in sound levels in an area. Sound level meter measuring instruments pdf manual download. Sound examiner se400 series are sound level meters used to measure noise over time with robust logging capabilities, selective measurement values, and with a variety of enduser applications including occupational noise measurements and assessment of environmental noise levels. The range numbers refer to the center points of the seven ranges. This is a portable sound level meter with a datalogging function.
Your digital sound level meter provides automatic or manual ranging in six measurement ranges from 30 to db. Mike day everything about concrete recommended for you. The sound level meter functions as a standalone device, and you can monitor sound levels by reading the lcd panel. A sound level meter is used for acoustic sound that travels through air measurements. Each system is composed of several components designed to work together as one integrated test instrument and output jacks that will supply an ac rms or dc volt signal. Task 1 measurement of noise and vibrations by sound level meter. Power the meter by moving the range switch to the lo or hi range position, the meter will begin measuring sound levels. This instruction manual for sound level meter type 2245 has been created.
View and download radio shack sound level meter owners manual online. Thus, pce322a is an ideal realtime noise measuring device as well as a noise measuring device for longterm noise exposure monitoring over time. With all the functions 320 can provide, we had changed something in new designed back light lcd. Safety information read the following safety information carefully before attempting to operate or service the meter. The threaded tripod mount screw hole is on the center rear of the meter not shown. For center 321,322 sound level meter additional info click to download. An interchangable meter scale and a range of attenuator scales facilitate the direct reading of vibration as well as sound or voltage over a wide range.
Center 323 complies with iec 616721 class 2 standard. The testo 815 sound level meter can be used for control measurements in the air conditioning and heating area, on combustion systems or at workplaces. Dec 17, 2015 how to form, pour, and stamp a concrete patio slab duration. The cel246 is an integrating sound level meter with data logging. Please according the following procedures to calibrate the instrument accurately, if it is necessary. Therand larrow keys move you through a series of tabular displays showing the current spectras db readings at each center. Manuals and user guides for radio shack sound level meter. 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. If the lcd does not switch on, check the 9v battery located in the rear battery compartment. Fully complies with iec616721 key specificationsspecial features. The numbers refer to the range center points of the seven ranges. Center326 sound level calibrator for sound level meter 94db114db 725370417301 ebay. Failure to observe the following procedures could damage the instrument.
Noise measurements can be downloaded to a windows computer over a usb interface. A measurement of sound is accomplished by changing a noise into an electrical signal and displaying it on an indicator in terms of decibels db. Check sound levels quickly and economically builtin 12 electric condenser microphone measurements from 54 to 126 db in. Sound level calibrator is used to calibrate sound level meters and other sound measurement equipment. Center 320 sound lever meter iec 651 type ii level range display simultaneous max min measurement 4 digits display auto power off ac dc signal output resolution 0. Press level button to select desired level, base on under or over do not appear on lcd. By many regulations, sound level meters need to verify their accuracy before and after measurements. Select dba for general noise sound level and dbc or measuring sound level of acoustic material. With the sound level meters one can measure sound levels be that an average or peak values to check for potentially dangerous levels of sound or for a sound level meter with a logging function it could be used to search for the time at which a burst of sound or a sudden withdrawal of sound happened. Power on switch, press once to power on, again to power off. Center sound level meter center 323, center 32, center 390, center 320, center 321, center 322, center 325, center 328.
Owners manual radio shack sound level meter owners manual 20 pages. Audio meter for windows 10 free download and software. If you want to collect sound level data, you need to connect the sound level meter to a datacollection interface. These devices are mainly used to monitor sound levels in manufacturing plants, heavy machines and factories to ensure the safety of the people working in these places. Audio meter is a tool for audio level measuring in db or dba with a wide range of advanced features build in. The centre of the front surface of the microphone protection grid. We have 1 3m 2100 slm manual available for free pdf download. This document is available in either paper or pdf format. The numbers on range refer to the cen ter points of the seven ranges. Underrange indication the bargraphs center point represents the center level of the selected range 60 db, 70 db, 80 db, and so on. Sseyl center321 pc interface decibel sound level meter. Select fast for instant sound and slow for average sound level. It can also enable quick and precise assessment of machinery and discotheque noise.
These calibrators provide different sound level at different frequencies to fit different regulations and they are perfect for periodical check on their sound level meters. Data logging sound level meter pce322a pce instruments. A class 2 sound level meter will be designed to meet the requirements of iec 616721. An auto range function is added for the tester to choose one proper range for measuring by the tester itself. Center 325 sound level meter from heaters controls and sensors ltd. The center 323 is a simple to use handheld sound level meter with datalogging capabilities. It measures and stores the lavg and leq along with the fast or slow sound level and comes with both a and c frequency weightings. Gather all data with the 32,000 records logger and once collected user can download to the computer at their convenience. Center326 sound level calibrator for sound level meter. Center326 sound level calibrator for sound level meter 94db. The meter will begin displaying sound level readings. Center326 sound level calibrator calibrator for sound. Audio meter is freeware no commercials, no in app purchases, free. They calculate the average sound pressure level over the run time, and data log the maximum, minimum, and peak values.
While not an integrating dosimeter, the center 322 can give a good indication of exposure to sound over an extended period. How to form, pour, and stamp a concrete patio slab duration. The center 322 comes complete and ready to use in a carry case with software, and interface cable. Center326 sound level calibrator calibrator for sound level. The bar graph indicator gives operator feedback on the trends of the readings.
They are great for hearing conservation programs and environmental noise assessments. We have tried to keep as much feature as possible and on the same time reduce the system complexity as much as possible. It is commonly a handheld instrument with a microphone. Manual, 9v battery, calibration screwdriver, windscreen. For ex ample, if range is set to 80 and the meter scale reads 3, the actual sound level is 77 db 803. Center 326 sound level calibrator for sound level meter 94db114db 725370417301 ebay. Failure to observe the following procedures may result in serious personal injury not for use in explosive or hazardous locations. The diaphragm of the microphone responds to changes in air pressure caused by sound waves. Reed c322 sound level meterdata logger, 32 to db model. Calibration the sound level meter is built in the internal external calibration vr 35, fig.
Buy center326 sound level calibrator calibrator for sound level meter center326 with fast shipping and toprated customer service. Clamp meter, gas detector, sound level meter, light meter, thermometer, hygrometer, temperature and humidity meter, insulation tester, multimeter. The center model 322 is a professional type ii meter with range selection and both digital and bar graph indication. These measurements are generally based on specific standards for safe human listening. Sponge ball when outdoor use please put on, prevent wind blowing noise disturbing the unit reading 2.
Ono sokki high function sound level meter la3260 class 23560 class 570 class 1. Sseyl center321 pc interface decibel sound level meter noise. The tsi quest sound examiner se400 sound meters are designed for performing accurate noise level measurement in highly variable environments. Sound examiner se400 series are sound level meters used to measure noise over time with robust logging capabilities, selective measurement values, and with a variety of enduser applications including occupational noise measurements and assessment of. The needle in dicator shows the actual sound level as a displacement from the center point.
We have 2 radio shack sound level meter manuals available for free pdf download. This meter is ideal for basic occupational noise measurements to osha, european, canadian and many other regulations. The pce428430432 is a digital sound level meter which design. Instruction manual model 407736 digital sound level meter. Environment conditions altitude up to 2000 meters relatively humidity 90% max. The purpose of periodic testing is to assure the user that the performance of a sound level meter conforms to the applicable specifications of iec 616721 for a limited set of key tests and for the environmental conditions under which the tests were performed.